surgical system

专利摘要:
SURGICAL INSTRUMENTS AND BATTERIES FOR SURGICAL INSTRUMENTS. Several modalities are aimed at battery packers for use with surgical instruments. The battery packers may comprise a plurality of cells and at least a portion of the plurality of cells may not be electrically connected to each other. Battery packers may comprise a switch or other mechanism for interconnecting a plurality of cells and may also comprise, or be used in conjunction with, a discharge switch or plug configured to electrically connect a battery packer anode to a packer cathode battery, for example, via a resistive element.
公开号:BR112013006416B1
申请号:R112013006416-1
申请日:2011-09-13
公开日:2021-03-09
发明作者:Frederick E. Shelton Iv；Richard F. Schwemberger；Daniel J. Abbott；Bret W. Smith；David C. Yates；Chad P. Boudreaux；Patrick Schleitweiler
申请人:Ethicon Endo-Surgery, Inc；
IPC主号:

专利说明:

BACKGROUND
[0001] An increasing number of surgical instruments are equipped with a motor with one or more battery cells. Such instruments include a variety of electrically powered implements and can be used in a variety of surgical environments. For example, battery powered surgical instruments may include motor driven implements (cutters, tweezers, staplers, etc.) and / or non-motor driven implements (eg, RF cutter / coagulators, ultrasonic cutter / coagulators, cutter a laser / coagulators, etc.). Battery powered instruments are also now used in several different surgical environments including, for example, endoscopic environments, laparoscopic environments, open environments, etc.
[0002] Battery powered surgical instruments often use primary cells, which are preloaded and often intended for a single discharge (for example, one use). This avoids the difficulties associated with re-sterilization and secondary recharging of rechargeable cells. Primary cells, however, present additional challenges related to transport, storage and disposal. SUMMARY
[0003] Several modalities can be directed to a surgical instrument that comprises an end actuator and a cable operationally coupled to the end actuator. The cable may comprise a driver for driving the end actuator and may also define a first cavity that has a first asymmetric shape in cross section and a second cavity that has a second asymmetric shape in cross section. A first battery pack can be positioned inside the first cavity and can be in electrical contact with at least one of the cable and the end actuator. The first battery pack may comprise: a first compartment that has a cross-sectional shape that corresponds to the first asymmetric cross-sectional shape, and a first plurality of cells electrically coupled to one another and positioned inside the first compartment. A second battery pack can be positioned inside the second cavity and can be in electrical contact with at least one of the cable and the end actuator. The second battery pack may comprise: a second compartment having a cross-sectional shape corresponding to the second asymmetric cross-sectional shape, and a second plurality of cells electrically coupled to one another and positioned within the second compartment.
[0004] Also, several modalities can be directed to a surgical system that includes a battery conditioner. The battery pack may comprise a compartment and a plurality of cells positioned within the compartment. At least a portion of the plurality of cells may not be electrically connected to each other. The battery pack may also comprise a first key that has an open position and a closed position. In the closed position, the first switch can be electrically interconnected to the plurality of cells. The first key can be mechanically polarized to the open position. The battery conditioner can additionally comprise a discharge switch that has an open position and a closed position. The discharge switch can be positioned to, when in the closed position, electrically connect a battery pack anode to a battery pack cathode. The discharge switch can be mechanically polarized to the closed position, and can be held in the open position by a portion of the compartment.
[0005] According to various modalities, the battery pack may comprise a plurality of cells, where at least a portion of the plurality of cells are not electrically connected to each other. The battery pack may further comprise a compartment defining an inner cavity that has at least one inner cavity wall. At least the interior cavity wall can comprise a first electrode connected electrically to a battery pack anode and a second electrode connected electrically to a battery pack cathode. The battery pack may additionally comprise a battery drain positioned within the inner cavity. The battery drain can comprise first and second contacts electrically connected to each other and in contact with at least one wall of the inner cavity. The battery drain can be positioned in a first position inside the inner cavity where the first and second contacts are not in electrical contact with the first and second electrodes and in a second position where the first contact is in electrical contact with the first electrode and the second contact is in electrical contact with the second electrode.
[0006] Additionally, several modalities can be addressed to a surgical instrument comprising an end actuator, a cable operably coupled to the end actuator, and a battery conditioner. The cable can comprise a driver to drive the end actuator, and can define a cavity. The battery pack can be positioned inside the cavity and can be in electrical contact with at least one of the cables and the end actuator. In addition, the battery pack may comprise a compartment; a plurality of cells; and a movable tab. The movable tab may have a first position where it electrically separates at least a portion of the plurality of cells, and a second position where it does not electrically separate a plurality of cells. DRAWINGS
[0007] The aspects of the various modalities are presented with particularity in the appended claims. The various modalities, however, with regard to both the organization and the methods of operation, together with additional ones, can be better understood with reference to the description presented below, considered together: with the attached drawings as follows:
[0008] Figures 1 and 2 are seen in a perspective modality of a surgical cutting and fixation instrument.
[0009] Figure 3 is an exploded view of an end actuator modality of the surgical cutting and fixation instrument in figures 1 and 2.
[00010] Figures 4 and 5 are exploded views of a modality of the end and axis actuator of the cutting and fixation surgical instrument of figures 1 and 2.
[00011] Figure 6 is a side view of an end actuator modality of the surgical cutting and fixation instrument in figures 1 and 2.
[00012] Figure 7 is an exploded view of a modality of a motor-driven cutter.
[00013] Figures 8 and 9 are partial views of a modality of the cutter cable of figure 7.
[00014] Figure 10 is a side view of an embodiment of the cutter cable of figure 7.
[00015] Figure 11 is a schematic diagram of a modality of an electrical circuit of a surgical instrument for cutting and fixing.
[00016] Figure 12 is a side view of a cable in the form of a powered motorized cutter.
[00017] Figure 13 is a side view of a cable in another embodiment of a powered motorized cutter.
[00018] Figures 14 and 15 show a method of locking the closing trigger.
[00019] Figure 16 shows another modality of a mechanism for locking the closing trigger.
[00020] Figures 17 to 22 show another modality of a mechanism for locking the closing trigger.
[00021] Figures 23A and 23B show a universal joint modality ("u joint") that can be used at the point of articulation of a surgical instrument.
[00022] Figures 24A and B show a torsion cable modality that can be used at a point of articulation of a surgical instrument.
[00023] Figures 25 to 31 illustrate another modality of a powered two-stroke motorized cutting and clamping surgical instrument.
[00024] Figures 32 to 36 illustrate a modality of a powered two-stroke motorized cutting and clamping surgical instrument.
[00025] Figures 37 to 40 illustrate a modality of surgical instrument for cutting and fixing with the aforementioned tactile feedback system.
[00026] Figures 41 and 42 illustrate two states of a variable sensor modality that can be used as the operating motor sensor.
[00027] Figure 43 illustrates a modality of a surgical instrument that comprises a pair of asymmetric battery packers.
[00028] Figure 44 illustrates a modality of a battery conditioner outside the handle of a surgical instrument in figure 43.
[00029] Figure 45 illustrates a modality of a cable of the surgical instrument of figure 43 illustrating cavities for receiving battery packers.
[00030] Figure 46 illustrates a battery conditioner in figure 44 showing a positive electrode contact and a negative electrode contact.
[00031] Figure 47 illustrates an embodiment of the battery conditioner in figure 44 in conjunction with a buffer discharge.
[00032] Figure 48 illustrates a schematic diagram of a modality of a surgical instrument and a battery pack.
[00033] Figure 49 illustrates an alternative modality of the battery pack and surgical instrument shown in figure 48.
[00034] Figure 50 illustrates another modality of the battery conditioner in figure 48.
[00035] Figures 51 to 53 illustrate a mechanical modality of a battery conditioner implementing the schematic of the battery conditioner shown in figure 48.
[00036] Figures 54 to 59 illustrate another mechanical modality of a battery conditioner 800 implementing the schematic of the battery conditioner shown in figure 48.
[00037] Figures 60 and 61 illustrate an embodiment of the battery drain of figures 57 and 58 removed from the compartment. DESCRIPTION
[00038] Several modalities are triggered by battery-powered surgical instruments and batteries that comprise characteristics to facilitate transport, storage and disposal. For example, according to one embodiment, a battery pack may comprise a plurality of cells mechanically and electrically coupled together within a compartment that has an asymmetrical section shape. The number and type of cells within the compartment can be selected to reduce the power of potential accidental discharges below a level limit. A surgical instrument for use with the battery pack may comprise a cable defining a plurality of cavities. Each cavity may have an asymmetric cross-sectional shape and at least one of the cavities may have an asymmetric cross-sectional shape sized to receive the battery pack. An additional cavity and / or cavities can host additional battery packers. According to various modalities, the multiple grouping of cells within a single compartment can reduce inconveniences associated with loading each cell on an individual cable. At the same time, limiting the number of cells grouped together can reduce safety hazards during transport, storage and disposal.
[00039] According to the various modalities, a surgical instrument can use one or more battery packers, each comprising a plurality of cells and at least one key to electrically connect the plurality of cells. The switch can have an open position, where the cells are electrically disconnected from each other, and a closed position where the cells are electrically connected to each other. The switch can transition from an open to a closed position when the battery pack is installed on a surgical instrument. In this way, the surgical instrument can use power associated with the multicellular battery. At the same time, however, the battery pack can be transported with the key in the open position to mitigate the energy available for a short and / or arc and thus mitigate safety hazards during transport, storage and disposal. In certain embodiments, batteries and cells described here may have discharge switches to connect a charge through the battery terminals or cell to discharge the battery. For example, the discharge switch can be closed before disposal. In this form, the battery can either discharge before disposal or shortly thereafter. Consequently, battery safety hazards due to disposal can be mitigated.
[00040] Before describing the modalities of the cells, batteries, batteries, and associated surgical instruments, a detailed description of an example of the modalities of a battery-powered surgical instrument is provided. Although the surgical instruments described herein comprise motorized implements for cutting and stapling, it will be understood that the battery configurations described herein can be used with any suitable type of electrical surgical instrument including, for example, cutters, tweezers, staplers, RF / cutter coagulators, ultrasonic cutter / coagulators, laser cutters / coagulators, etc.
[00041] Figures 1 and 2 are seen in a perspective modality of a cutting and fixation surgical instrument 10. The illustrated modality is an endoscopic instrument and, in general, the instrument 10 described here are endoscopic surgical instruments cutting and fixing. It should be noted that, according to other modalities, the instrument can be a non-endoscopic instrument for cutting and joining, such as a laparoscopic instrument or open surgical instrument.
[00042] The surgical instrument 10 shown in figures 1 and 2 comprises a cable 6, a stem 8, and an articulated end actuator 12 articulated connected to the stem 8 to an articulation pivot 14. An articulation control 16 can be supplied adjacent to the cable 6 to rotate the end actuator 12 over the pivot pivot 14. In the illustrated embodiment, the end actuator 12 is configured to act as an end cutter to fix, cut and staple the fabric, although, in other embodiments, different types of end actuators can be used as end actuators for other types of surgical devices, such as claws, cutters, staplers, clip applicators, access devices, drug therapy devices and / or genetics , ultrasound, laser or RF devices.
[00043] The cable 6 of the instrument 10 can include a closing trigger 18 and a discharge trigger 20 to drive the end actuator 12. It will be recognized that instruments that have end actuators directed to different surgical tasks can have numbers or types other than triggers or other controls suitable for operating end actuator 12. End actuator 12 is shown separately from cable 6 by a rod 8, preferably elongated. In one embodiment, a clinician or instrument operator 10 can articulate end actuator 12 relative to stem 8, using articulation control 16, as described in more detail in US Patent Application Publication No. 11 / 329,020, deposited on January 10, 2006, entitled "Surgical Instrument Having An Articulating End Effector," by Geoffrey C. Hueil et al., which is incorporated herein in its entirety, as a reference.
[00044] The end actuator 12 includes in this example, among other things, a clamp channel 22 and an articulably translatable fixing member, such as a fixed claw 24, which are kept at a spacing that ensures effective stapling or sectioning of the tissue fixed on the end actuator 12. The handle 6 includes a pistol grip 26 towards which a closing trigger 18 is pulled in an articulated manner by the clinician to lead to the fixation or closing of the fixed grip 24 towards the groove. clamps 22 of the end actuator 12 to thereby secure the fabric positioned between the claw of the fixed claw 24 and the groove 22. The discharge trigger 20 is furthest from the closing trigger 18. When the closing trigger 18 is locked in position of closing, as described in more detail below, the trigger trigger 20 can rotate slightly towards the pistol grip 26 so that it can be reached by the operator with the use of one hand. Then the operator can pull the discharge trigger 20 pivotally towards the pistol grip 26 to cause stapling and sectioning of tissue attached to the end actuator 12. In other embodiments, different types of attachment members in addition to the fixed grip 24 can be used, such as an opposing claw, etc.
[00045] It will be recognized that the terms "proximal" and "distal" are used here with reference to the act of holding the handle 6 of an instrument 10 by the physician. Therefore, the end actuator 12 is distal to the most proximal cable 6. It will be further recognized that, for convenience and clarity, the spatial terms such as "vertical" and "horizontal" are used in the present invention in relation to the drawings. However, surgical instruments can be used in many orientations and positions, and these terms are not intended to be limiting and absolute.
[00046] The closing trigger 18 can be activated first. When satisfied with the positioning of the end actuator 12, the physician can retract the closing trigger 18 to the fully closed and locked position adjacent to the pistol grip 26. The discharge trigger 20 can then be actuated. The trigger trigger 20 returns to the open position (shown in figures 1 and 2) when the doctor removes the pressure, as described more fully below. A release button 160 on handle 6, and in this example, the gun picks up 26 from handle 6, when lowered, releases the locked trigger 18.
[00047] Figure 3 is an exploded view of an embodiment of the end actuator 12. As shown in the illustrated embodiment, the end actuator 12 may include, in addition to the channel 22 and the fixed claw 24 previously mentioned, a cutting instrument 32, a rail 33, a staple cartridge 34 which is removably seated in the groove 22, and a helical screw rod 36. The cutting instrument 32 can be, for example, a knife. The fixed claw jaw 24 can be pivoted open and closed at a pivot point 25 connected to the adjacent end of the channel 22. The fixed jaw jaw 24 can also include a flap 27 at its adjacent end which is inserted into a component of a mechanical locking system (further described below) for opening and closing the fixed claw 24. When the trigger trigger 18 is operated, ie pulled by a user of the instrument 10, the fixed claw claw 24 can rotate around pivot point 25 to the fixed or closed position. If the fixation of the end actuator is 12 is satisfactory, the operator can activate the trigger trigger 20 which, as explained in more detail above, causes the knife 32 and the rail 33 to run longitudinally along the channel 22, cutting from that mode the fabric fixed inside the end actuator 12. The movement of the rail 33 along the channel 22 causes the staples of the staple cartridge 34 to be directed towards the separate fabric and against the closed fixed jaw clamp 24, which makes the clips to join the separate fabric. US Patent No. 6,978,921, entitled "Surgical Stapling Instrument Incorporating An E-Beam Firing Mechanism," which is incorporated herein by reference, provides more details on such two-stroke clamping and cutting instruments. According to the various modalities, the rail 33 can be an integral part of the cartridge 34, so that when the knife 32 retracts followed by the cutting operation, the rail 33 does not retract.
[00048] It should be noted that although the instrument modalities 10 described herein employ an end actuator 12 that clips the sectioned tissue, in other different technical modalities for joining or sealing the sectioned tissue can be used. For example, end actuators that use RF (radio frequency) energy or adhesives to join the sectioned tissue can also be used. US patent No. 5,810,811, entitled "Electrosurgical Hemostatic Device," which is incorporated herein, by reference, features a cutting instrument that uses RF energy to join the sectioned tissue. US patent application No. 11 / 267,811, entitled "Surgical Stapling Instruments Structured For Delivery Of Medical Agents" and US patent application No. 11 / 267,383, entitled "Surgical Stapling Instruments Structured For Pump-Assisted Delivery Of Medical Agents, "both of which are also incorporated here, as a reference, it presents cutting instruments that use adhesives to join the sectioned fabric. Consequently, although the description of the present invention refers to the cutting / stapling operations and the like below, it must be recognized that this is an exemplary modality, and is not intended to be limiting. Other tissue joining techniques can also be used.
[00049] Figures 4 and 5 are exploded views and figure 6 is a side view of an embodiment of end actuator 12 and stem 8. As shown in the illustrated embodiment, stem 8 can include an adjacent closing tube 40 and an distal closing tube 42 pivotally connected by pivot connections 44. The distal closing tube 42 includes an opening system 45 into which the flap 27 in the anvil 24 is inserted in order to open and close the anvil 24, as further described below. Arranged within the closing tubes 40, 42 may be an adjacent structuring tube 46. Arranged within the adjacent structuring tube 46 may be a main (or adjacent) rotational drive shaft 48 that communicates with a secondary (or distal) driving shaft 50 via a set of bevel gears 52. The secondary drive shaft 50 is connected to a drive gear 54 that engages an adjacent drive gear 56 of the helical screw rod 36. when the main drive shaft 48 is rotated through the actuation of the trigger trigger 20 (as explained in more detail below), the chamfer gear assembly 52a-c causes the secondary drive rod 50 to rotate, which in turn, due to the engagement of the drive gears 54 .56, the helical screw rod / 36 rotates, which causes the knife drive member 32 to run longitudinally along the channel 22 to cut any uer tissue trapped inside the end actuator 12. The vertical bevel gear 52b can seat and pivot in an opening 57 at the distal end of the adjacent structuring tube 46. A distal structuring tube 58 can be used to close the secondary drive shaft 50 and the drive gears 54, 56. Collectively, the main drive shaft 48, the secondary drive shaft 50, and the pivot assembly (for example, the bevel gear assembly 52a-c) are sometimes referred to in the present invention as the " main drive shaft assembly. "
[00050] A bearing 38 is threaded on helical screw 36. Bearing 36 is also connected to knife 32. When helical screw 36 rotates forward, bearing 38 passes through helical screw 36 in a distal position, driving the cutting instrument 32 and , in the process, the rail 33 to perform the cutting / stapling operation. The track 33 can be produced from, for example, plastic, and can have an inclined distal surface. As the rail 33 passes through the channel 22, the sloping front surface can push up or trigger the staples on the staple cartridge 34 through the fixed fabric and against the anvil 24. The anvil 24 turns the staples, thereby stapling the cut fabric . When the knife 32 is retracted, the scalpel 32 and the rail 33 can be disengaged, thus leaving the rail 33 at the distal end of the channel 22.
[00051] Because of the lack of user feedback for the cutting / stapling operation, there is a general lack of acceptance among doctors of motor-driven surgical instruments where the cutting / stapling operation is performed merely by pressing a button. On the contrary, several modalities can provide a motor driven cutter with user feedback of the position, force, and / or position of the cutting instrument on the end actuator.
[00052] Figures 7-10 illustrate a modality of a motor driven endocutter and, in particular, cable 6 thereof, which provides user feedback regarding the positioning and force loading of the cutting instrument on the end actuator. In addition, the modality can use energy supplied by the user in retracting the trigger trigger 20 to energize the device (a mode called "energy aided"). As shown in the illustrated embodiment, the cable 6 includes outer lower side parts 59, 60 and outer upper side parts 61, 62 that fit together to form, in general, the exterior of the cable 6. A battery 64, such as a battery based on Li ions, can be provided in the pistol grip portion 26 of cable 6. Although battery 64 is illustrated containing a single cell, it will be understood that battery 64 in some embodiments may include multiple cells connected together. The battery 64 can power a motor 65 disposed in an upper portion of the handle portion 26 of the cable 6. According to several modalities, the motor 65 can be a brushed direct current motor, which has a maximum rotation of approximately 5,000 RPM . Motor 65 can drive a 90 ° bevel gear set 66 comprising a first bevel gear 68 and a second bevel gear 70. Bevel gear set 66 can drive a planet gear set 72. The planet gear set 72 can include a pinion gear 74 connected to a drive shaft 76. Pinion gear 74 can drive an annular coupling gear 78 that drives a helical gear drum 80 via a drive rod 82. A ring 84 can be pink - dropped on the helical gear drum 80. Therefore, when the motor 65 spins, the ring 84 is forced to move along the helical gear drum 80, via the bevel gear set 66, the gear set planetary 72 and ring gear 78 interposed there.
[00053] Cable 6 may also include an engine operating sensor 110 in communication with trigger trigger 20 to detect when trigger trigger 20 has been pulled (or "closed") against the pistol grip portion 26 cable 6 by the operator to thus activate the cut / staple operation by end actuator 12. Sensor 110 can be a proportional sensor, such as a rheostat or a variable resistor. When trigger trigger 20 is pulled, sensor 110 detects movement, and sends an electrical signal indicative of the voltage (or power) to be supplied to motor 65. When sensor 110 is a variable resistor or similar, the rotation of the motor 65 can generally be proportional to the amount of motion of trigger trigger 20. That is, if the operator pulls or closes trigger trigger 20 just a little, the engine speed 65 is relatively low. When the trigger trigger 20 is pulled completely (or is in the completely closed position), the rotation of the motor 65 is at its maximum. In other words, the stronger the user pulls the trigger 20, the greater the voltage applied to the motor 65, generating higher rotation rates.
[00054] The cable 6 may include an intermediate part of the cable 104 adjacent to the upper portion of the trigger trigger 20. The cable 6 may also comprise a bias spring 112 connected between columns in the intermediate part of the cable 104 and the trigger trigger 20 The bias spring 112 can place the trigger 20 in its fully open position. In this way, when the operator releases the trigger trigger 20, the bias spring 112 will pull the trigger trigger 20 to its open position, thus removing the actuation of the sensor 110, and stopping the rotation of the motor 65. In addition, because of the polarization spring 112, any time a user closes the trigger 20, he will feel resistance to the closing operation, thus providing the user with feedback related to the amount of rotation exerted by the motor 65. Additionally, the operator can for the retraction of the trigger trigger 20 to thus remove the force of the sensor 100, to stop the motor 65. Thus, the user can stop the implantation of the end actuator 12, thus providing a measure of control of the cutting / fixing operation to the operator.
[00055] The distal end of the helical gear drum 80 includes a distal drive rod 120 that drives a ring gear 122, which corresponds to a pinion gear 124. Pinion gear 124 is connected to the main drive shaft 48 of the main drive shaft assembly. In this way, the rotation of the motor 65 causes the main drive shaft assembly to rotate, which causes the end actuator 12 to act, as described above.
[00056] Ring 84 threaded to the drum with helical gear 80 may include a column 86 which is disposed within a slot 88 of an arm provided with slits 90. The arm provided with slits 90 has an opening 92 at its opposite end 94 which receives a pivot pin 96 which is connected between the outer side parts of the cable 59, 60. The pivot pin 96 is also arranged through an opening 100 in the trigger trigger 20 and an opening 102 in the intermediate part of the cable 104.
[00057] In addition, cable 6 may include an engine reversal (or limit switch) sensor 130 and an engine stop (or limit switch) sensor 142. In several embodiments, the engine reversal sensor motor 130 can be a limit switch located at the distal end of the helically geared drum 80 so that the ring 84 threaded on the helical geared drum 80 contacts and activates the reversal sensor of the motor 130 when the ring 84 reaches the distal end of the drum with helical gear 80. The motor reversal sensor 130, when activated, sends a signal to the motor 65 to reverse its direction of rotation, thereby removing knife 32 from end actuator 12 after the cutting operation.
[00058] The engine stop sensor 142 can be, for example, a normally closed limit switch. In various embodiments, it can be located at the adjacent end of the helical gear drum 80 so that ring 84 activates key 142 when ring 84 reaches the adjacent end of helical gear drum 80.
[00059] In operation, when an operator of instrument 10 pulls the trigger trigger 20, the sensor 110 detects the position of the trigger trigger 20 and sends a signal to the motor 65 to generate rotation of the motor 65 forward, for example , at a rate proportional to the force that the operator pulled the trigger trigger 20 backwards. The forward rotation of the motor 65, in turn, rotates the annular gear 78 present at the distal end of the planetary gear assembly 72, thus rotating the helical gear drum 80, and causing the ring 84 to be threaded on the drum. helical gear 80 moves distally along said helical gear drum 80. Rotating the helical gear drum 80 also directs the main drive shaft assembly as described above which, in turn, leads to the positioning of the knife 32 on the actuator that is, the knife 32 and the rail 33 are driven to cross the channel 22 longitudinally, thus cutting the fabric attached to the end actuator 12. In addition, the stapling operation of the end actuator 12 is caused in modalities in which a stapler-type end actuator is used.
[00060] When the cutting / stapling operation of end actuator 12 is finished, ring 84 on the helical gear drum 80 will have reached the distal end of the helical gear drum 80, thus causing the motor reversal sensor 130 is activated, which sends a signal to motor 65 to cause motor 65 to reverse its rotation. This in turn causes the knife 32 to retract and also causes the ring 84 on the helical gear drum 80 to move back to the adjacent end of the helical gear drum 80.
[00061] The intermediate part of the cable 104 includes a shoulder at the rear 106 that mates with the split arm 90, as is best shown in figures 8 and 9. The intermediate part of the cable 104 also has a forward movement lock. 107 that mates with the trigger trigger 20. The movement of the split arm 90 is controlled, as explained above, by the rotation of the motor 65. When the split arm 90 rotates counterclockwise (CCW) while the ring 84 goes from the end adjacent the drum with helical gear 80 to the distal end, the intermediate part of the cable 104 will be free to rotate counterclockwise. In this way, while the user pulls the trigger trigger 20, the trigger trigger 20 will engage the forward movement block 107 of the cable intermediate piece 104, causing the cable intermediate piece 104 to rotate counterclockwise. . Due to the coupling of the shoulder at the rear 106 to the split arm 90, however, the intermediate part of the cable 104 will be able to rotate only in a counterclockwise direction to the point allowed by the split arm 90. In this way, if the motor 65 stops rotate for some reason, the split arm 90 will stop rotating and the user will no longer be able to pull the trigger trigger 20 because the middle part of the cable 104 will not be free to rotate counterclockwise because of the split arm 90 .
[00062] Figures 41 and 42 illustrate two states of a variable sensor modality that can be used as the operating motor sensor 110. Sensor 110 may include a face portion 280, a first electrode (A) 282, a second electrode (B) 284, and a compressible dielectric material 286 (e.g., EAP) between electrodes 282, 284. Sensor 110 can be positioned so that face portion 280 contacts trigger trigger 20 when retracted. Consequently, when the trigger trigger 20 is retracted, the dielectric material 286 is compressed, as shown in figure 42, so that the electrodes 282, 284 are close together. Since the distance "b" between electrodes 282, 284 is directly related to the impedance between electrodes 282, 284, the greater the distance, the greater the impedance, and the shorter the distance, the smaller the impedance. In this way, the amount that the dielectric material 286 is compressed due to the retraction of the trigger trigger 20 (denoted as force "F" in figure 42) is proportional to the impedance between electrodes 282 and 284, which can be used to control proportionally the engine 65.
[00063] The components of an exemplary closing system for closing (or fixing) the fixed claw 24 of the end actuator 12 by retracting the closing trigger 18 are also shown in figures 7 to 10. In the illustrated embodiment, the system The closing pin includes a fork 250 connected to the closing trigger 18 by a pin 251 which is inserted through aligned openings in both the closing trigger 18 and the fork 250. A pivot pin 252, around which the closing trigger 18 pivots , is inserted through another opening in the closing trigger 18 that is offset from where the pin 251 is inserted in the closing trigger 18. In this way, the retraction of the closing trigger 18 causes the upper part of the closing trigger 18, to which the fork 250 is attached via pin 251, rotate counterclockwise. The distal end of the fork 250 is connected, through a pin 254, to a first closing bracket 256. The first closing bracket 256 connects to a second closing bracket 258. Collectively, closing brackets 256, 258 define a opening in which the adjacent end of the adjacent closing tube 40 (see figure 4) is seated and maintained so that the longitudinal movement of the closing brackets 256, 258 generates longitudinal movement through the adjacent closing tube 40. Instrument 10 also includes , a closing rod 260 disposed within the adjacent closing tube 40. The closing rod 260 may include an opening 261 within which a column 263 in one of the outer parts of the cable, such as the outer lower side part 59 in the illustrated embodiment , is willing to connect the closing rod 260 to the cable 6 in a fixed manner. In this way, the adjacent closing tube 40 is able to move longitudinally in in relation to the closing rod 260. The closing rod 260 may also include a distal collar 267 that fits within a cavity 269 in the adjacent structuring tube 46 and is held therein by a cap 271 (see figure 4).
[00064] During operation, when the fork 250 rotates due to the retraction of the closing trigger 18, the closing brackets 256 and 258 cause the proximal closing tube 40 to move distally (for example, moving away from the end of instrument cable 10), which causes the distal closing tube 42 to move distally, which in turn causes the fixed claw 24 to rotate around the pivotal point 25 and to the clamped or closed position. When the closing trigger 18 is unlocked from the locked position, the adjacent closing tube 40 is forced to slide proximally, which causes the distal closing tube 42 to slide proximally, due to the flap 27 being inserted in the opening 45 of the tube distal closing 42, causes the fixed claw 24 to rotate around pivot point 25 to the open or loose position. In this way, by retracting and locking the closing trigger 18, an operator can secure the fabric between the fixed claw 24 and the groove 22, and can loosen the fabric after the cutting / stapling operation by unlocking the closing trigger 18 from the locked position.
[00065] Figure 11 is a schematic diagram of a modality of an electrical circuit of an instrument 10. When an operator initially pulls the trigger trigger 20 after locking the closing trigger 18, sensor 110 is activated allowing the current flow through it. If the normally open switch 130 of the engine reversal sensor is open (meaning that the end actuator end of stroke has not been reached), the current will flow to a single pole and double drive relay 132. As the motor reversal sensor 130 is not closed, inductor 134 of relay 132 will not be energized, so relay 132 will be in its non-energized state. The circuit also includes a cartridge locking sensor 136. If the end actuator 12 includes a clamp cartridge 34, the sensor switch 136 will be in the closed state, allowing current to flow. Otherwise, if the end actuator 12 does not include a clamp cartridge 34, the sensor switch 136 will be open, thereby preventing battery 64 from feeding motor 65.
[00066] When the staple cartridge 34 is present, the sensor switch 136 is closed, which energizes a single pole relay and single drive 138. When the relay 138 is energized, current flows through relay 138, through the sensor variable resistor 110, up to motor 65 through a double pole relay and double drive 140, thus energizing motor 65 and allowing it to rotate in a progressive direction.
[00067] When the end actuator 12 reaches the end of its travel, the reversal sensor of the motor 130 will be activated, thus closing the switch 130 and energizing the relay 132. This causes the relay 132 to assume its energized state ( not shown in figure 11) which causes the current to bypass the cartridge lock sensor switch 136 and the variable resistor 110, and instead causes the current to flow into the normally closed double-pole and double-drive relay 140 and back to motor 65, but through relay 140, which causes motor 65 to reverse its rotational direction.
[00068] Because the motor stop sensor switch 142 is normally closed, current will flow back to relay 132 to keep it energized until switch 142 opens. When the knife 32 is completely retracted, the engine stop sensor switch 142 is activated, causing the switch 142 to open, thereby removing power from the engine 65.
[00069] In other modalities, instead of a proportional type 110 sensor, an on-off type sensor can be used. In such modalities, the rate of rotation of the engine 65 would not be proportional to the force applied by the operator. Instead, engine 65 would generally rotate at a constant rate. But the operator would still experience force feedback because trigger trigger 20 is installed on the gear drive train.
[00070] Figure 12 is a side view of the cable 6 of a motorized endo-cutter energized according to another modality. The modality of figure 12 is similar to that of figures 7-10 except that in the embodiment of figure 12, there is no arm 90 with slots connected to the threaded ring 84 on the helical gear drum 80. Instead, in the modality of Fig. 12, ring 84 includes a sensor portion 114 that moves with ring 84 as ring 84 advances downward (and back) on the helically-geared drum 80. Sensor portion 114 includes a notch 116. The reversing sensor the motor 130 can be located at the distal end of the notch 116 and the motor stop sensor 142 can be located at the adjacent end of the notch 116. As ring 84 moves under the drum with helical gear 80 (and back), the sensor portion 114 moves with it. Additionally, as shown in figure 12, the intermediate piece 104 may have an arm 118 that extends into the notch 116.
[00071] In operation, as an operator of the instrument 10 retracts the trigger trigger 20 towards the pistol grip 26, the motor operation sensor 110 detects the movement and sends a signal to energize the motor 65, which causes that, among other things, the 80 helical gear drum rotates. As the helical gear drum 80 rotates, the threaded ring 84 on the helical gear drum 80 moves forward (or retracts, depending on the rotation). In addition, due to the act of pulling the trigger trigger 20, the intermediate piece 104 rotates counterclockwise with the trigger trigger 20 due to the blocking of the forward movement 107 that engages the trigger trigger 20. The rotation in the direction counterclockwise of the intermediate piece 104 causes the arm 118 to rotate counterclockwise with the sensor portion 114 of the ring 84 so that the arm 118 is arranged in the notch 116. When the ring 84 reaches the distal end of the drum with helical gear 80, arm 118 will come into contact and thus activate the reversal sensor of motor 130. Similarly, when ring 84 reaches the adjacent end of the drum with helical gear 80, arm 118 will contact and, thus, activate the engine stop sensor 142. These actions can reverse and stop the engine 65, respectively, as described above.
[00072] Figure 13 is a side view of the cable 6 of a motorized endo-cutter energized according to another modality. The embodiment of figure 13 is similar to that of figures 7 to 10 with the exception that in the embodiment of figure 13, there is no gap in the arm 90. Instead, the ring 84 threaded on the drum with helical gear 80 includes a vertical channel 126 Instead of a slot, the arm 90 includes a column 128 which is arranged in channel 126. As the helical gear drum 80 rotates, the threaded ring 84 on the helical gear drum 80 advances (or retracts, depending on the rotation). The arm 90 rotates counterclockwise as the ring 84 advances because the column 128 is arranged in the channel 126, as shown in figure 13.
[00073] As mentioned above, when using a two-stroke motorized instrument, the operator first pulls back and locks the closing trigger 18. Figures 14 and 15 show a modality of a locking mechanism for locking the trigger 18 to lock the closing trigger 18 of the pistol grip portion 26 of the cable 6. In the illustrated embodiment, the pistol grip portion 26 includes a hook 150 which is pulled to rotate counterclockwise around a pivot point 151 by a torsion spring 152. In addition, the closing trigger 18 includes a closing bar 154. As the operator pulls the closing trigger 18, the closing bar 154 engages an inclined portion 156 of the hook 150 thereby rotating the hook 150 upwards (or clockwise in figures 14-15) until the closing bar 154 passes completely through the inclined portion 156, passes into a recessed notch 158 of the hook 150, which locks the closing trigger 18 in the place r. The operator can release the closing trigger 18 by pressing a release slide button 160 on the rear or opposite of the pistol grip portion 26. Pressing the release slide button 160 rotates the hook 150 clockwise so that the closing bar 154 is released from the recessed slot 158.
[00074] Figure 16 shows another mechanism for locking the closing trigger according to various modalities. In the embodiment of figure 16, the closing trigger 18 includes a wedge 160 provided with an arrowhead portion 161. The arrowhead portion 161 is oriented downwards (or clockwise) by a spring. leaf 162. Wedge 160 and leaf spring 162 can be produced from, for example, molded plastic. When the closing trigger 18 is retracted, the arrowhead portion 161 is inserted through an opening 164 in the pistol grip portion 26 of the cable 6. A lower chamfered surface 166 of the arrowhead portion 161 engages a lower side wall 168 of opening 164, forcing the arrowhead portion 161 to rotate counterclockwise. Eventually, the lower chamfered surface 166 passes completely through the lower side wall 168, removing the counterclockwise sense force from the arrowhead portion 161, causing the lower side wall 168 to slide into a locked position in a notch 170 behind the arrowhead portion 161.
[00075] To unlock the closing trigger 18, a user presses a button 172 on the opposite side of the closing trigger 18, causing the arrowhead portion 161 to rotate counterclockwise and allowing the portion arrow head 161 slide out of aperture 164.
[00076] Figures 17-22 show another modality of a mechanism for locking the closing trigger. As shown in this embodiment, the closing trigger 18 includes a flexible longitudinal arm 176 that includes a side pin 178 that extends therefrom. The arm 176 and the pin 178 can be produced from molded plastic, for example. The pistol grip portion 26 of the cable 6 includes an opening 180 with a laterally extending wedge 182 disposed therein. When the closing trigger 18 is retracted, pin 178 engages wedge 182, and pin 178 is forced downward (i.e., arm 176 is rotated clockwise) by the bottom surface 184 of wedge 182, as shown in the figures 17 and 18. When pin 178 passes completely through the bottom surface 184, the clockwise force on arm 176 is removed, and pin 178 is rotated counterclockwise so that pin 178 is arranged in a notch 186 behind the wedge 182, as shown in figure 19, thereby locking the closing trigger 18. Pin 178 is additionally held in place in the locked position by a flexible stop 188 extending from wedge 184.
[00077] To unlock the closing trigger 18, the operator can also squeeze the closing trigger 18, causing pin 178 to engage an inclined rear wall 190 of opening 180, forcing pin 178 upward after the stop flexible 188, as shown in figures 20 and 21. Pin 178 is then free to go out of an upper channel 192 in opening 180 so that the closing trigger 18 is no longer attached to the pistol grip portion 26, as shown in figure 22.
[00078] Figures 23A-B show a universal joint ("u-joint") 195 that can be used at the pivot point of a surgical instrument, such as instrument 10. The second part 195-2 of the u-joint 195 rotates in a horizontal plane on which the first piece 195-1 rests. Figure 23A shows the gasket at u 195 in a linear orientation (180 °) and figure 23B shows the gasket at u 195 in an orientation of approximately 150 °. The u-joint 195 can be used instead of chamfered gears 52a-c (see figure 4, for example) at pivot point 14 of the main drive shaft assembly to pivot end actuator 12. Figures 24A-B show a torsion cable 197 that can be used instead of the bevel gears 52a-ce of the u-joint 195 to pivot the end actuator 12.
[00079] Figures 25 to 31 illustrate another modality of a powered two-stroke powered cutting and clamping surgical instrument 10. The mode of figures 25 to 31 is similar to that of figures 6 to 10 with the exception that instead of the helical gear drum 80, the mode of figures 25-31 includes an alternate gear drive assembly. The embodiment of figures 25 to 31 includes a gearbox assembly 200 including several gears arranged in a frame 201, in which the gears are connected between the planetary gear 72 and the pinion gear 124 at the adjacent end of the drive shaft 48. As further explained below, the gearbox set 200 provides feedback to the user via the trigger trigger 20 with respect to the positioning and loading force of the end actuator 12. In addition, the user can provide power to the system through the set of gear box 200 to assist in positioning the end actuator 12. In this sense, as well as the modalities described above, the modality of figures 25 to 31 is another powered motorized instrument 10 that provides feedback to the user regarding the loading force experienced by the cutting instrument 32.
[00080] In the illustrated embodiment, the trigger actuator 20 includes two parts: a part of the main body 202 and a hardening portion 204. The portion of the main body 202 can be produced from plastic, for example, and the portion of hardening 204 can be produced from a more rigid material, such as metal. In the illustrated embodiment, the hardening portion 204 is adjacent to the main body portion 202, but according to other embodiments, the hardening portion 204 can be arranged within the main body portion 202. A pivot pin 207 can be inserted through openings in the trigger trigger parts 202 and 204 and may be the point around which the trigger trigger 20 rotates. In addition, a spring 222 can direct the trigger trigger 20 to rotate in a counterclockwise direction. The spring 222 can have a distal end connected to a pin 224 which is connected to parts 202, 204 of the trigger trigger 20. The adjacent end of the spring 222 can be connected to one of the lower outer side parts of the cable 59, 60.
[00081] In the illustrated embodiment, both the main body portion 202 and the hardening portion 204 include gear portions 206, 208 (respectively) in their upper end portions. The gear portions 206, 208 engage a gear in the gearbox assembly 200, as explained below, to direct the main drive shaft assembly and provide feedback to the user regarding the positioning of the end actuator 12.
[00082] The gearbox assembly 200 may include, as shown in the illustrated embodiment, six (6) gears. A first gear 210 of gearbox assembly 200 engages gear portions 206, 208 of trigger trigger 20. In addition, first gear 210 engages a second smaller gear 212, the second smaller gear 212 being coaxial with a third gear major 214. Third gear 214 engages fourth minor gear 216, fourth minor gear 216 being coaxial with fifth gear 218. Fifth gear 218 is a 90 ° bevel gear that engages a corresponding 90 ° bevel gear 220 (best shown in figure 31) which is connected to the pinion gear 124 that directs the main drive shaft 48.
[00083] In operation, when the user retracts the trigger trigger 20, a motor operation sensor (not shown) is activated, which can provide a signal for the motor 65 to rotate at a rate proportional to the extension or force with the which the operator is retracting the trigger trigger 20. This causes the motor 65 to rotate at a speed proportional to the sensor signal. The sensor is not shown for this mode, but it can be similar to the engine 110 operating sensor described above. The sensor may be located on cable 6 so that it is pressed when trigger trigger 20 is retracted. In addition, instead of a proportional type sensor, an on / off type sensor can be used.
[00084] The rotation of the motor 65 causes the bevel gear 66, 70 to rotate, which causes the planetary gear 72 to rotate, which causes the ring gear 122 to rotate through the drive shaft 76. . The ring gear 122 is interwoven with the pinion gear 124, which is connected to the main drive shaft 48. In this way, the rotation of the pinion gear 124 directs the main drive shaft 48, which generates the drive of the cutting operation / stapling of end actuator 12.
[00085] The forward rotation of the pinion gear 124, in turn, causes the bevel gear 220 to rotate, which causes the first gear 210 to rotate through the rest of the gears of the gearbox assembly 200. The first gear 210 engages gear portions 206, 208 of trigger trigger 20, thereby causing trigger trigger 20 to rotate counterclockwise when motor 65 provides forward direction to end actuator 12 (and rotate counterclockwise when motor 65 rotates in reverse to retract end actuator 12). In this way, the user perceives feedback regarding the loading force and the positioning of the end actuator 12 through the user's grip on the trigger trigger 20. In this way, when the user retracts the trigger trigger 20, the operator you will feel a resistance related to the load force felt by the end actuator 12. Similarly, when the operator releases the trigger trigger 20 after the cutting / stapling operation so that it can return to its original position, the user will feel a clockwise rotation force of the trigger trigger 20 which is generally proportional to the reverse speed of the motor 65.
[00086] It should also be noted that in this mode the user can apply force (either instead or in addition to the motor force 65) to drive the main drive shaft assembly (and consequently the cutting / stapling operation of the actuator) end 12) through the retraction of the trigger trigger 20. That is, the retraction of the trigger trigger 20 causes the gear portions 206, 208 to rotate counterclockwise, which causes the gears of the assembly of gearbox 200 rotate, thereby making pinion gear 124 rotate, which causes the main drive shaft 48 to rotate.
[00087] Although not shown in figures 25 to 31, instrument 10 can also include sensors for reversing the engine and stopping the engine. As described above, the reverse motor and stop motor sensors can detect, respectively, the end of the cutting stroke (complete positioning of the knife 32 and rail 33) and the end of the retraction operation (complete retraction of the knife 32). A circuit similar to that described above with reference to figure 11 can be used to properly power the motor 65.
[00088] Figures 32 to 36 illustrate another modality of a powered two-stroke motorized cutting and clamping surgical instrument 10. The mode of figures 32 to 36 is similar to that of figures 25 to 31 with the exception that in the mode of figures 32 to 36, the trigger 20 includes a lower portion 228 and an upper portion 230. Both portions 228, 230 they are connected to and rotate around a pivot pin 207 which is arranged in each portion 228, 230. The upper portion 230 includes a gear portion 232 which engages the first gear 210 of the gearbox assembly 200. The spring 222 is connected to the upper portion 230 so that the upper portion is oriented to rotate clockwise. The upper portion 230 may also include a lower arm 234 that contacts an upper surface of the lower portion 228 of the trigger trigger 20 so that when the upper portion 230 rotates clockwise, the lower portion 228 also rotates in clockwise, and when the lower portion 228 rotates counterclockwise the upper portion 230 also rotates counterclockwise. Similarly, the lower portion 228 includes a rotational stop 238 that fits into a lower shoulder of the upper portion 230. Thus, when the upper portion 230 rotates counterclockwise, the lower portion 228 also rotates counterclockwise. , and when the lower portion 228 rotates clockwise, the upper portion 230 also rotates clockwise.
[00089] The illustrated mode also includes the engine operating sensor 110, which communicates a signal to the engine 65, which, in various modes, can cause the engine 65 to rotate at a speed proportional to the force applied by the operator when retracting the trigger trigger 20. Sensor 110 can be, for example, a rheostat or some other variable resistance sensor, as explained above. In addition, instrument 10 may include a motor reversal sensor 130 that is activated or switched when it contacts the front face 242 of the upper portion 230 of the trigger trigger 20. When activated, the motor reversal sensor 130 sends a signal to engine 65 to reverse the direction. In addition, instrument 10 may include an engine stop sensor 142 that is activated or actuated when it comes into contact with the lower portion 228 of the trigger trigger 20. When activated, the engine stop sensor 142 sends a signal to stop engine reverse rotation 65.
[00090] In operation, when an operator retracts the closing trigger 18 to the locked position, the trigger trigger 20 is slightly retracted (through mechanisms known in the art, including US patent No. 6,978,921, entitled "Surgical Stapling Instrument Incorporating An E-Beam Firing Mechanism "and US Patent No. 6,905,057, entitled" Surgical Stapling Instrument Incorporating A Firing Mechanism Having A Linked Rack Transmission, "the description of which is hereby incorporated by way of reference) so that the user can hold the trigger trigger 20 to start the cutting / stapling operation, as shown in figures 32 and 33. At this time, as shown in figure 33, the gear portion 232 of the upper portion 230 of the trigger trigger 20 moves in engagement with first gear 210 of gearbox assembly 200. When the operator retracts trigger trigger 20, according to various modalities, trigger trigger 20 can rotate decrease a little, such as five degrees, before activating the engine 110 operating sensor, as shown in figure 34. Activating sensor 110 causes engine 65 to rotate forward at a rate proportional to the retraction force applied by the operator. The forward rotation of the motor 65 causes, as described above, the main drive shaft 48 to rotate, which causes the knife 32 in the end actuator 12 to be positioned (i.e., it starts to pass through the channel 22). The rotation of the pinion gear 124, which is connected to the main drive shaft 48, causes the gears 210 to 220 in the gearbox assembly 200 to rotate. Since the first gear 210 is engaged with the gear portion 232 of the upper portion 230 the trigger trigger 20, the upper portion 230 rotates counterclockwise, which causes the lower portion 228 to also rotate in a counterclockwise direction. counter-clockwise.
[00091] When the knife 32 is fully positioned (that is, at the end of the cutting stroke), the front face 242 of the upper portion 230 activates the reversal sensor of the motor 130, which sends a signal to the motor 65 to reverse the direction rotational. This causes the main drive shaft assembly to reverse the rotational direction to retract knife 32. Reverse rotation of the main drive shaft assembly causes gears 210 through 220 in the gearbox assembly to reverse direction, which causes the upper portion 230 of the trigger trigger 20 to rotate clockwise, which causes the lower portion 228 of the trigger trigger 20 to rotate clockwise until the front face 242 of the upper portion 230 activates or activates the engine stop sensor 142 when the knife 32 is completely retracted, which causes the engine 65 to stop. This way, the user perceives feedback regarding the positioning of the end actuator 12 through the user's handle on the trigger trigger 20. In this way, when the user retracts the trigger trigger 20, the operator will feel a resistance related to the positioning of the end actuator 12, and in particular, the loading force felt by the knife 32. Similarly, when the operator releases the trigger trigger 20 after the cut / staple operation so that it can return to its position the user will feel a clockwise rotation force of the trigger 20 which is generally proportional to the reverse speed of the motor 65.
[00092] It should also be noted that in this mode the user can apply force (either instead of or in addition to the motor power 65) to drive the main drive shaft assembly (and consequently the cutting / stapling operation of the actuator) end 12) by retracting the trigger trigger 20. That is, retracting the trigger trigger 20 causes the gear portion 232 of the upper portion 230 to rotate counterclockwise, which causes the gears of the assembly of gearbox 200 rotate, thereby turning pinion gear 124 to rotate, which causes the main drive shaft assembly to rotate.
[00093] The modalities described above employed energy-assisted feedback systems to the user, with or without adaptive control (for example, with the use of a sensor 110, 130, and 142 outside the closed loop system of the engine, gear actuator, and end actuator) for a motorized surgical instrument for two-stroke cutting and clamping. That is, the force applied by the user in the retraction of the trigger trigger 20 can be added to the force applied by the motor 65 by the fact that the trigger trigger 20 is engaged (directly or indirectly) to the gear drive train between the motor 65 and the main drive shaft 48. In other embodiments, the user can receive tactile feedback regarding the position of the knife 32 on the end actuator can be provided to the user 12, but without having the trigger trigger 20 engaged in the gear drive train. Figures 37-40 illustrate a modality of surgical instrument for cutting and fixing 10 with the said tactile position feedback system.
[00094] In the embodiment illustrated in figures 37 to 40, the trigger trigger 20 may have a lower portion 228 and an upper portion 230, similarly to the instrument 10 shown in figures 32 to 36. Unlike the embodiment of figures 32 to 36 however, the upper portion 230 does not have a gear portion that matches a part of the gear drive train. Instead, instrument 10 includes a second motor 265 with a threaded rod 266 threaded on it. Threaded rod 266 moves longitudinally in and out of motor 265 while motor 265 rotates, depending on the direction of rotation. The instrument 10 also includes an encoder 268 that responds to the rotations of the main drive shaft 48 to translate the incremental angular movement of the main drive shaft 48 (or another component of the main drive assembly) into a corresponding series of digital signals, for example. In the illustrated embodiment, pinion gear 124 includes a proximal drive shaft 270 that connects to encoder 268.
[00095] Instrument 10 also includes a control circuit (not shown), which can be implemented using a micro-controller or some other type of integrated circuit, which receives the digital signals from the encoder 268. Based on in encoder signals 268, the control circuit can calculate the positioning stage of knife 32 on end actuator 12. That is, the control circuit can calculate whether knife 32 is fully positioned, completely retracted, or in an intermittent stage . Based on the calculation of the positioning stage of the end actuator 12, the control circuit can send a signal to the second motor 265 to control its rotation to thereby control the reciprocating movement of the threaded rod 266.
[00096] In operation, as shown in figure 37, when the closing trigger 18 is not locked in the closed position, the trigger trigger 20 is rotated away from the pistol grip portion 26 of the cable 6 so that the front face 242 of the upper portion 230 of the trigger trigger 20 does not come into contact with the adjacent end of the threaded rod 266. When the operator retracts the closing trigger 18 and locks it in the closed position, the trigger trigger 20 rotates slightly towards the trigger closing mechanism 18 so that the operator can hold the trigger trigger 20, as shown in figure 38. In this position, the front face 242 of the upper portion 230 comes into contact with the adjacent end of the threaded rod 266.
[00097] As the user retracts the trigger trigger 20, after an initial rotational amount (for example, 5 degrees of rotation) the motor operation sensor 110 can be activated so that, as explained above, sensor 110 sends a signal for engine 65 to rotate at a forward speed proportional to the amount of retraction force applied by the operator to the trigger trigger 20. The forward rotation of engine 65 causes the main drive shaft 48 to rotate through the train from the gear actuator, which causes knife 32 and rail 33 to descend through channel 22 and cut the tissue stuck in end actuator 12. The control circuit receives the output signals from encoder 268 related to the incremental rotations of the assembly main drive rod and sends a signal to the second motor 265 to cause the second motor 265 to rotate, which causes a threaded rod 266 to retract on motor 265. This allows the upper portion 230 of the trigger trigger 20 rotate counterclockwise, which allows the lower portion 228 of the trigger trigger to also rotate counterclockwise. Thus, because the reciprocating movement of the threaded rod 266 is related to the rotations of the main drive shaft assembly, the instrument operator 10, through his grip on the trigger trigger 20, feels a tactile feedback as to the position of the actuator. end 12. The retraction force applied by the operator, however, does not directly affect the direction of the main drive shaft assembly because the trigger trigger 20 is not engaged with the gear drive train in this mode.
[00098] Due to the tracking of the incremental rotations of the main drive shaft assembly through the output signals from the encoder 268, the control circuit can calculate when the knife 32 is fully positioned (that is, fully extended). At this point, the control circuit can send a signal to motor 65 to reverse direction to cause knife 32 to retract. The reverse direction of motor 65 causes the rotation of the main drive shaft assembly to change direction, which It is also detected by encoder 268. Based on the reverse rotation detected by encoder 268, the control circuit sends a signal to the second motor 265 to change the rotational direction so that the threaded rod 266 begins to extend longitudinally. from motor 265. This movement forces the upper portion 230 of the trigger trigger 20 to rotate clockwise, which causes the lower portion 228 to rotate clockwise. In this way, the operator can experience a clockwise force from the trigger trigger 20, which provides feedback to the operator with respect to knife retraction position 32 on end actuator 12. The control circuit can determine when the knife 32 is completely retracted. At this point, the control circuit can send a signal to motor 65 for rotation.
[00099] According to other modalities, instead of the control circuit determining the position of the knife 32, the motor reversal and motor stop sensors can be used, as described above. In addition, instead of using a proportional sensor 110 to control the speed of the motor 65, a switch or sensor of the on / off type can be used. In this mode, the operator would not be able to control the rotation speed of engine 65. Instead, it would rotate at a preprogrammed rate.
[000100] Figures 43-61 of the present invention describe battery modalities and battery configurations for use with motor-powered surgical devices. The batteries and battery configurations described below can be used with any suitable surgical instrument equipped with an engine including, for example, the instrument modalities described above. In addition to or instead of the functionality of the modalities previously described in this document, surgical instruments using the batteries and battery configurations of figures 43-61 may comprise end actuators for cutting, hypertonia, laser cutting and / or coagulation, RF cutting and / or coagulation, ultrasonic cutting and / or coagulation, etc. Additional details related to surgical instruments and battery units are described in US patent application serial number, entitled, "POWER CONTROL ARRANGEMENTS FOR SURGICAL INSTRUMENTS AND BATTERIES," filed on September 17, 2010, which is hereby incorporated in full, by reference.
[000101] Figure 43 illustrates a modality of a surgical instrument 500 that comprises a pair of asymmetrical shaped battery packers 506. The instrument 500 may comprise a cable 502, a driver 504 and an end actuator 501. According to with the various modalities, the cable 502, driver 504 and end actuator 501 can operate in a similar manner to that of the various cables 6, drivers, 18, 20 and end effectors 12 described herein. In addition to or instead of the functionality described earlier in this document, the end effector 501 may comprise surgical implements for cutting, hypertonia, laser cutting and / or coagulation, RF cutting and / or coagulation, ultrasonic cutting and / or coagulation, etc. .
[000102] The cable 502 of the instrument 502 can host the battery packers 506, as shown. The battery packers 506 can be electrically connected to and can power a circuit 514 of the instrument 500. The circuit can be located on the cable 502, as shown, on the end actuator 501, or in any combination of locations within the instrument 500. In use, circuit 514 can energize the operation of at least one surgical implement on end actuator 501. For example, circuit 514 can comprise an electric motor to operate a cutter, tweezers or other mechanical devices equipped with an electric motor. In addition to, or instead of, a motor, circuit 514 may comprise circuit components suitable for positioning an RF, ultrasonic, or other type of surgical implement equipped with a motor.
[000103] Figure 44 illustrates a modality of a battery conditioner 506 on the outside of the cable 502. The battery conditioner 506 can have an asymmetrical shape in cross section. For example, in the embodiment shown in figure 44, the battery pack 506 has an ovoid shape. It is understood that other asymmetric cross-section formats could be used. As illustrated, the battery pack 506 comprises three 508 cells. The 508 cells can be of any suitable cell type including, for example, lithium ion cells, such as the CR123- cell type and / or the CR2 cell type . The 508 cells can be electrically connected to each other in series or in parallel. The number of cells 508 can be chosen for energy from any accidental discharge from a 506 battery pack. For example, the number of connected cells 508 can be selected so that the accumulated energy available for an arc or short is less than the energy necessary to light common gasket and / or transport materials. According to the various modalities, this value can be defined by the appropriate government regulations.
[000104] Figure 45 illustrates a modality of cable 502 illustrating the cavities 510, 512 for receiving the battery packers 506. The cavities 510, 512 can have an asymmetrical cross-sectional shape that corresponds to the cross-sectional shape of the battery packers 506. This can allow battery packers 506 to be received into cavities 510, 512, as shown in figure 43. An inner portion 529 of cavity 510 is also shown in figure 45. A wall 530 can comprise contacts 532, 534. Contacts 532, 534 can be connected to circuit 514 and can be configured to connect battery pack 506 to circuit 514 when battery pack 506 is installed in cavity 510. It will be understood that cavity 512 can comprise a similar interior portion and similar contacts. The illustration of these elements is omitted in figure 45, however, for clarity.
[000105] Figure 46 illustrates a battery conditioner 506 showing the positive electrode contact 518 and the negative electrode contact 520. When inserting the battery conditioner 506 into cavity 510, the electrode contacts 518 and 520 can be combined. connect with contacts 532, 534, shown in figure 45, to establish a connection between battery pack 506 and circuit 514. Electrode contacts 518, 520 are illustrated on a first end 522 of battery pack 506. It will be understood however, that the electrode contacts 518, 520 can be positioned on any other surface of the battery pack 506 including, for example, the end 524, the flat face 526 and / or the curved face 528. Consequently, the contacts 532, 534 can be positioned on a corresponding surface of the inner portion 529 of the cavity 510.
[000106] The asymmetrical cross-sectional shape of the battery pack 506 and the cavities 510, 512 can ensure that the battery pack 506 are inserted into the instrument 500 with the correct polarity. For example, due to its asymmetrical cross-sectional shape, the end 522 of the battery pack 506 can fit into the cavity 510 of the cable 502 in just one orientation, ensuring that the correct electrodes 518, 520, 532, 534 are in place. in contact with each other. Similarly, the end 522 of the battery pack 506 can fit into the cavity 512 in just one orientation. Because the cross-sectional shape of the cavity 512 is reciprocal to that of the cavity 510, the orientation of the electrode contacts 518, 520 can be reversed in the cavity 512 in relation to the cavity 510. Consequently, when the cavities 510, 512 have section shapes transverse, as shown, the position of the contacts (not shown) within cavity 512 can also be reversed to ensure correct polarity.
[000107] The physician can assume that the end 522 of the battery conditioner 506 with the electrodes 518, 520 is properly inserted in the cavities 510, 512. According to the various modalities, however, the shape of the battery conditioner 506 can be manipulated to make it more difficult or impossible for the end 524 of the battery pack 506 to be inserted into the cavities 510, 512. For example, in figure 46, the battery pack 506 is shown with an optional flange 522 on the end 524. Flange 522 can extend beyond the battery pack 506 to ensure that end 524 cannot be inserted into one of the 510, 512 wells. Although the illustrated instrument 500 uses two 506 battery packers and defines two 510 wells .512, it will be understood that further battery packers or additional battery packers and corresponding cavities may be used.
[000108] Figure 47 illustrates a battery conditioner 506 in conjunction with a discharge plug 540. Discharge plug 540 can be attached to the end 522 of battery conditioner 506, for example, after using the battery conditioner 506 be complete. In certain embodiments, the discharge plug 540 may have a slightly larger cross-sectional area than that of the battery pack 506 and may slide over the end 522. The discharge plug may comprise electrode contacts 542, 546 electrically connected to each other another through a resistive element 546. The resistive element 546 can be any suitable resistive element that has any suitable electrical resistance and / or impedance. With the discharge in place, the electrode contacts 542, 546 can come in contact with the positive and negative electrode contacts 518, 520. This can define the resistive element 546 in series with the battery conditioner 506, causing a drain of the battery. In this way, the 506 battery pack can be drained either before or during disposal, reducing hazardous disposal.
[000109] Figure 48 illustrates a schematic diagram of a modality of a surgical instrument 602 and a battery conditioner 600. Surgical instrument 602 can operate in a manner similar to that of surgical instruments 10, 500 previously described in this document. For example, instrument 602 can be any suitable type of surgical instrument using battery energy including, for example, instruments that have motorized cutting implements, motorized stapling implements, RF cutting and / or coagulation implements, ultrasonic cutting implements and / or coagulation, laser implements for cutting / coagulation, etc. The surgical instrument 602 can comprise a pair of electrodes 604, 606, which, when the battery pack 600 is connected to the surgical instrument 603, can connect with a pair of electrodes 608, 610 of the battery pack 600.
[000110] The battery pack 600 can comprise a plurality of 612 cells. The 612 cells can be of any suitable cell type. According to the various modalities, the cells can be lithium ion cells, such as the CR123 type cells and / or the CR2 type cell. A key 614 can have an open position and a closed position. The 614 switch can be of any suitable type of solid state or mechanical switch. When switch 614 is in the open position, cells 612 can be electrically disconnected from each other. When switch 614 is in the closed position, cells 612 can be electrically linked together. For example, in figure 48, cells 612 are shown connected in parallel. In various embodiments, however, 612 cells can be connected in series or in any other desirable configuration. The key 614 can be engaged to the closed position when the battery pack 600 is connected to the surgical instrument 602. For example, the key 614 can be manually engaged by a doctor using the surgical instrument 602 either before or after the battery pack 600 is connected to the instrument 602. Also, according to the various modalities, the switch 614 can be engaged in the closed position automatically when the battery pack 600 connected to the instrument 602 (for example, placing at least a portion of the battery pack 600 inside the surgical instrument 602).
[000111] The battery pack 600 may also comprise a discharge system 616. The discharge system 616 may comprise a discharge and 618 and a resistive element 620. The resistive element 620 may be any suitable resistive element that has any electrical resistance and / or impedance. The discharge switch 618 can have an open position and a closed position. When the discharge switch is in the open position, resistive element 620 may not be electrically connected to the battery conditioner. When the discharge switch 618 is in the closed position, resistive element 620 can be electrically connected via cells 612 of battery pack 600. In this way, cells 612 can drain when the discharge switch is closed 618. The discharge switch 620 can be of any type of solid state or mechanical switch. The discharge switch 618 can be manually or automatically moved from the open to the closed position, for example, when installing the battery conditioner 614 for the instrument 602 or removing the surgical instrument 602 from the instrument 602. In some embodiments, the cells 612 they can supply sufficient energy and / or the resistive element 620 can be designed so that the discharge switch 618 can be closed while the instrument 602 is in use.
[000112] Figure 49 illustrates an alternative embodiment of battery pack 600 and surgical instrument 602 shown in figure 48. As shown in figure 49, key 614 can comprise at least one open portion 622 and at least one contactor 624. As shown, at least one contactor 624 can be a part of the surgical instrument 602. In this way, cells 612 can be electrically connected to each other when the battery pack 600 is installed in the surgical instrument 602, bringing at least a portion connector in electrical contact with at least one open portion 622.
[000113] Figure 50 illustrates another modality of battery conditioner 600 in figure 48. As shown in figure 50, switch 614 is positioned with an open portion 634, a contactor 636 and a movable flap 631. The contactor 636 can be mechanically polarized against the open portion 634, for example, by a spring 630. The mobile flap 631 can be positioned between the open portion 634 and the counter 636. The mobile flap 631 can be produced from an insulating material, such as plastic. In this form, cells 612 may not be electrically connected to each other when the movable flap 631 is in place. When the battery pack 600 is ready for use, the flap 631 can be removed, for example, by the doctor. When the flap 631 is removed, the contactor 636 can be mechanically pushed into electrical contact with the open portion 634, resulting in the electrical connection between each of the cells 612. According to the various modalities, the flap 631 can comprise a portion 632 configured to be received by a corresponding portion 638 of the surgical instrument. When the battery pack 600 is installed on the instrument, the portion 638 of the surgical instrument 602 may come in contact with the flap 631, tending to remove it from between the open portion 634 and the contactor 636. The flap 631 can be produced from from a polymer or any suitable electrically insulating material. Also, according to various modalities, the flap 631 can have a thickness of about 25.4 microns (1 mil).
[000114] Figures 51-53 illustrate another mechanical modality of a battery pack 700 implementing the schematic of the battery pack 600 shown in figure 48. The battery pack 700 comprises a compartment 707 which has a battery 703 there comprising a plurality of cells that can be interconnected to each other by connection contacts 708, 710. A discharge switch 712 can, when in the closed position, connect a resistive element 714 through the terminals of cells 703, causing them to discharge. The battery pack 700 can comprise a pair of contacts 706, 704 positioned on a switch platform 716. The contactors 706, 704 can have an open position shown in figure 51 and a closed position. In the closed position, the contactors 706, 704 can be placed in electrical contact with the contacts 708, 710, causing the cells 703 to be interconnected to each other. Collectively, the key platform 716, contacts 708, 710 and contactors 704, 706 can form a key. According to the various modalities, when the switch is closed (for example, contactors 704, 706 are in contact with contacts 708, 710), the cells of battery 703 may be electrically interconnected.
[000115] The key platform 716 can be coupled to a clutch 705 comprising a pair of locking mechanisms 702. In the position shown in figure 51, the clutch (including locking mechanisms 702) is engaged, maintaining the key platform 716 in the open position. The battery pack 700 can also comprise a discharge switch 712. In a closed position, the discharge switch 712 can transfer a resistive element 714 through the anode and cathode of cells 703, causing the cells to discharge. As shown in figure 51, the discharge key can be mechanically pulled to the closed position by a spring 718. The inclination of spring 718, however, can be overcome by a plug 720 in contact with a moving portion or panel 722 of compartment 707.
[000116] Figure 52 illustrates a configuration of the battery conditioner 700 of figure 51 after insertion in a surgical instrument 750, illustrated in the cross section. The battery pack 700 can be inserted into a cavity 754 defined by the instrument 750. The cavity 754 can be positioned on any portion of the instrument 750 including, in various embodiments, on a portion of the cable. The cavity 754 can comprise a pair of contacts 756, 758 that can be aligned with the contactors 706, 708. The battery pack 700 can be inserted into the instrument 750 in the direction of the arrow 753. As the battery pack 700 is inserted, contactors 706, 704 can contact contacts 756, 758. This can force contactors 706, 708, and switch platform 716 towards contacts 708, 710 so that contactors 706, 704 are in electrical communication with contacts 710, 708 and contacts 756, 758, which can make the cells of battery 703 interconnected and connected to the instrument 750.
[000117] According to the various modalities, pressure of the contacts 756, 758 can overcome the force of the gear 705, disengaging the locking mechanisms 702, allowing the platform of the switch 716 to convert in the direction of the contacts 708, 710. Also, in In various embodiments, a portion of the interior of a cavity 754 may comprise one or more keyed portions 760, 764 which are aligned with one or more receptacles 762, 766 associated (for example, mechanically or electronically) with the locking mechanisms 702 When keyed portions 760, 764 come into contact with receptacles 762, 766, gear 705 of locking mechanisms 702 may be unable to disengage, allowing key 716 to assume the position shown in figure 52. according to the various modalities, after the platform of the key 716 assumes the position illustrated in figure 52, the locking mechanisms 702 can be reengaged, locking the platform of the key 716 in place. According to various modalities, this can make it difficult for the battery pack 700 to lose electrical connectivity with the 750 instrument after insertion.
[000118] The interior of cavity 754 can also comprise a feature 752 (for example, an extension), for contact with panel 722. For example, as battery pack 700 is inserted into cavity 754, extension 752 can enter in contact with panel 722, slide it in the direction of arrow 755 and allow plug 720 to push through compartment 707 (for example, because of the slope of spring 718). According to the various modalities, the plug 720 can come into contact with the internal wall of the cavity 754, preventing the discharge key 712 from being closed. Figure 53 illustrated a battery conditioner modality 700 after removal of the surgical instrument 750. The platform of the key 716 can be locked by the locking mechanisms 702 in the same position shown in figure 52. Also, inside the interior wall of the cavity 754, the buffer 720 can protrude from compartment 707 by an adequate amount to close the discharge switch 712. This can cause battery 703 to discharge.
[000119] Figures 54 to 61 illustrate another mechanical modality of a battery pack 800 implementing the schematic of the battery pack 600 shown in figure 48. The battery pack 800 can comprise a compartment 802 defining an inner cavity 810. The compartment 802 can be covered by a cover 804 that can be secured in compartment 802 using one or more mechanical locks 806, 808. Figure 55 illustrates a battery pack 800 with cover 804 removed to show a plurality of cells 812 in the interior. Any suitable number and / or cell type 812 can be used. For example, CR123 and / or CR2 cells can be used. Fig. 56 illustrates a battery packer modality 800 with a portion of compartment 802 removed to reveal cells 812.
[000120] Figure 57 illustrates a cross-sectional view of a battery conditioner modality 800 including a battery drain 814. The battery drain 814 can be positioned inside the inner cavity 810 and can be slid into the inner cavity 810 in the directions of arrow 815. Drain 814 can comprise at least two contacts 818, 816. A portion of the contacts 818, 816 can touch the wall 826 of the inner cavity 810. According to the various modalities, the contacts 816, 818 can be pulled to exert a force against the walls 826 to resist the movement of the drain 814 in the direction of the arrows 815. Also, in some embodiments, the walls 826 may define one or more protrusions or limb clips 828 shaped to be received by a portion of a or more contacts 816, 818 to keep drain 814 in the first position, as shown in figure 57. Additionally, walls 826 can define one or more electrodes 824. Electrodes 824 can be wired to cells 812, so that making an electrical connection through electrodes 824 can shorten the positive and negative electrodes of cells 812.
[000121] The contacts 816, 818 of the drain 814 can be coupled to a portion of the base 820 of the drain 814. According to various modalities, the contacts 816, 818 can be electrically shortened to each other, or can be connected electrically to each other. another through a resistive element 822. Figure 58 illustrates a battery conditioner modality 800 being installed in a surgical instrument 850. The surgical instrument 850 may comprise an extended member 852 configured to be received in the inner cavity 810. The member Extended probe 854 may comprise one or more electrodes 854 positioned to contact electrodes 855 of battery pack 800 when member 854 is fully installed. In this form, cells 812 of battery packer 800 can provide electrical power to instrument 830 through electrodes 854, 855.
[000122] As the member 852 is inserted into the inner cavity 810, it can come into contact with the battery drain 820 and force it along the inner cavity 810 in the direction of the arrow 857. For example, the force supplied to the battery drain 820 by member 852 can overcome the resistance of the drain to the movement provided by contacts 816, 818, for example, in conjunction with the members of clamps 828. When fully installed, as shown in figure 59, member 852 can push drain 814 into cavity 810 until contacts 816, 818 make electrical contact with electrodes 824. This can either shorten cells 812 or electrically connect them through resistive element 822. When battery pack 800 is uninstalled of instrument 850, member 852 can be removed from cavity 810. Drain 814, however, can remain in the position shown in figure 59. In this form, cells 812 can drain any remaining charge behind through resistive element 822 either before or during disposal. This can, for example, minimize the force of any discharges during disposal.
[000123] Figures 60 and 61 illustrate a battery drain modality 814 removed from compartment 802. As illustrated, drain 814 can comprise two sets of contacts 818, 816 and 818 ’, 816’. The base 820 can define a central portion 830 between the two sets of contacts 816, 818, 816 ', 818'. According to various modalities, the central portion 830 can be configured to contact the member 852, as illustrated in figures 58-59. Referring now to figure 61, resistive elements 822 are shown mounted on base 820. Resistive elements 822 can be elements of any suitable strength value and any suitable mechanical configuration. For example, as shown in Figure 61, resistive elements 822 may comprise one or more surface-mount components.
[000124] It should be understood that at least some of the figures and descriptions of the present invention have been simplified to illustrate elements that are relevant to a clear understanding of the modalities presented, while eliminating, for purposes of clarity, other elements. Elements skilled in the art will recognize, however, that these and other elements may be desirable. However, due to the fact that such elements are well known in the art, and due to the fact that they do not facilitate a better understanding of the modalities presented, a discussion of such elements is not provided here.
[000125] While several modalities have been described, it should be apparent, however, that various modifications, changes and adaptations to these modalities can occur to individuals versed in the technique with the attainment of some or all of the advantages of the various modalities described. For example, according to various modalities, a single component can be replaced by multiple components, and multiple components can be replaced by a single component, to perform one or more specific functions. This request is, therefore, intended to cover all these modifications, alterations and adaptations, without departing from the scope and spirit of the presented invention, as defined by the appended claims.
[000126] Any patent, publication or other description material, in whole or in part, which is said to be incorporated into the present invention for reference purposes, is incorporated into the present invention only to the extent that the incorporated materials do not come into effect. conflict with existing definitions, statements or other description material presented in this description. Accordingly, and as far as necessary, the description as explicitly stated herein replaces any conflicting material incorporated herein by way of reference. Any material, or portion thereof, that is considered to be incorporated by reference in the present invention, but which conflicts with definitions, statements, or other description materials existing herein will be incorporated here only to the extent that no conflict will arise between the embedded material and the existing description material.

权利要求:
Claims (19)
[0001]
1. Surgical system characterized by the fact that it comprises: a battery pack (700, 800), in which the battery pack (700, 800) comprises: a plurality of cells (703, 812), in which at least a portion of the plurality of cells (703, 812) is not electrically connected to each other; a compartment (707, 802) defining an inner cavity (754, 810) having at least one inner cavity wall (754, 810), wherein at least one inner cavity wall (754, 810) comprises a first electrode (824) electrically connected to a battery conditioner anode (700, 800) and a second electrode (824) electrically connected to a battery conditioner cathode (700, 800); and a battery drain (814) positioned inside the inner cavity (754, 810), where the battery drain (814) comprises a first and a second contact (816, 818) electrically connected to each other, where the first and the second contacts (816, 818) are in contact with at least one wall of the inner cavity (754, 810), and in which the battery drain (814) is positioned in a first position within the inner cavity (754, 810 ) where the first and second contacts (816, 818) are not in electrical contact with the first and second electrodes (824) and a second position where the first contact is in electrical contact with the first electrode (824) and the second contact is in electrical contact with the second electrode (824); an end actuator (501); and a cable (502) operably coupled to the end actuator (501), where the cable (502) comprises a driver (504) for driving the end actuator (501), where the cable (502) defines a cavity (510, 512) for receiving the battery pack (700, 800), where the cable (502) comprises a connector positioned to connect the plurality of cells (703, 812) to each other when the battery pack (700 , 800) is inserted into the cavity (510, 512), and where the cable (502) defines an extension member (752) positioned to contact the battery drain (814) as soon as the battery pack (700 , 800) is inserted into the cavity (510, 512) to push the battery drain (814) to the second position.
[0002]
2. Surgical system, according to claim 1, characterized by the fact that the first and second contacts (816, 818) are electrically connected to each other through a resistive element (546, 620, 714, 822).
[0003]
3. Surgical system, according to claim 1, characterized by the fact that the battery pack (700, 800) still comprises at least one clip member (828) positioned to engage at least one of the first contact (816) and the second contact (818) to keep the battery drain (814) in the first position.
[0004]
4. Surgical system according to claim 1, characterized by the fact that the end actuator (501) comprises at least one implement selected from the group consisting of: a cutter, tweezers, a stapler, an RF sealing implement and a ultrasonic implement.
[0005]
5. Surgical system according to claim 1, characterized by the fact that the plurality of cells (703, 812) comprises at least one cell (703, 812) selected from the group consisting of a CR123 cell and a CR2 cell.
[0006]
6. Surgical system, according to claim 1, characterized by the fact that the first and second contacts (816, 818) are pulled to exert a force on at least one wall of the inner cavity (754, 810).
[0007]
7. Surgical system, according to claim 1, characterized by the fact that the first contact defines a curved portion and in which the battery pack (700, 800) still comprises a first protuberance positioned inside the inner cavity (754, 810 ), where when the battery drain (814) is in the first position, the first protrusion is received by the curved portion.
[0008]
8. Surgical system according to claim 1, characterized by the fact that the battery drain (814) comprises: a portion of the base (820); the first contact (816) extending from the base portion (820) in a first direction; and the second contact (818) extending from the base portion (820) in the first direction.
[0009]
9. Surgical system, according to claim 1, characterized by the fact that the connector is positioned on the extension member (752).
[0010]
10. Surgical system, according to claim 1, characterized by the fact that the extension member (752) is positioned to contact the battery drain (814) after insertion into the inner cavity (754, 810) to move the battery drain (814) from the first position to the second position.
[0011]
11. Surgical system, characterized by the fact that it comprises: a battery pack (700, 800), in which battery pack (700, 800) comprises: a plurality of cells (703, 812), in which at least a portion of the plurality of cells (703, 812) is not electrically connected to one another; a compartment (707, 802) defining an inner cavity (754, 810) that has a first inner cavity wall (754, 810) and a second inner cavity wall (754, 810), in the first inner cavity wall (754, 810) comprises a first electrode (824) electrically connected to an anode of the battery pack (700, 800) and a second wall of the inner cavity (754, 810) comprises a second electrode (824) electrically connected to a cathode the battery conditioner (700, 800); and a battery drain (814) positioned inside the inner cavity (754, 810), in which the battery drain (814) comprises first and second contacts (816, 818) electrically connected to each other, in which the first contact ( 816) is in contact with the first wall of the inner cavity (754, 810), in which the second contact (818) is in contact with the second wall of the inner cavity (754, 810), and in which the battery drain (814 ) is positioned in a first position within the inner cavity (754, 810) where the first and second contacts (816, 818) are not in electrical contact with the first and second electrodes (824) and a second position where the first contact is in electrical contact with the first electrode (824) and the second contact is in electrical contact with the second electrode (824).
[0012]
12. Surgical system, according to claim 11, characterized by the fact that the first contact (816) is pulled to exert a force on the first wall of the inner cavity (754, 810) and the second contact (818) is pulled to exert a force on the second wall of the inner cavity (754, 810).
[0013]
13. Surgical system, according to claim 11, characterized by the fact that the first contact (816) defines a curved portion and in which the battery pack (700, 800) still comprises a first protuberance positioned inside the inner cavity ( 754, 810), where when the battery drain (814) is in the first position, the first protrusion is received by the curved portion.
[0014]
14. Surgical system according to claim 11, characterized by the fact that the battery drain (814) comprises: a portion of the base (820); the first contact (816) extending from the base portion (820) in a first direction; and the second contact (818) extending from the base portion (820) in the first direction.
[0015]
15. Surgical system, according to claim 11, characterized by the fact that the surgical system still comprises: a cable (502), in which the cable (502) comprises: a battery cavity for receiving the battery conditioner (700 , 800); and an extension member (752) positioned to extend into the inner cavity (754, 810) of the battery pack (700, 800) when the battery pack (700, 800) is received in the battery cavity.
[0016]
16. Surgical system according to claim 15, characterized by the fact that the cable (502) comprises a connector positioned to connect the plurality of cells (703, 812) to each other when the battery pack (700, 800) is received in the battery cavity.
[0017]
17. Surgical system, according to claim 16, characterized by the fact that the connector is positioned on the extension member (752).
[0018]
18. Surgical system, according to claim 15, characterized by the fact that the extension member (752) is positioned to contact the battery drain (814) after insertion into the inner cavity (754, 810) to move the battery drain (814) from the first position to the second position.
[0019]
19. Surgical system according to claim 11, characterized by the fact that the first and second contacts (816, 818) are electrically connected to each other through a resistive element (546, 620, 714, 822).

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AU2014202718A1|2014-06-12|

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WO2012037103A3|2013-01-03|

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法律状态:
2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|

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2019-09-10| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|

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2020-07-21| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|

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2021-01-05| B09A| Decision: intention to grant|

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2021-03-09| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/09/2011, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US12/884,838|US9289212B2|2010-09-17|2010-09-17|Surgical instruments and batteries for surgical instruments|

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US12/884,838|2010-09-17|

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PCT/US2011/051366|WO2012037103A2|2010-09-17|2011-09-13|Surgical instruments and batteries for surgical instruments|

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