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  • 专利说明
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    • 专利摘要:
    SURGICAL STAPLING DEVICE WITH LOCKING SYSTEM TO PREVENT ACTION IN THE ABSENCE OF A STAPLE CARTRIDGE INSTALLED. The invention relates to surgical stapling cartridges of instruments for surgical stapling. At least one embodiment includes an end actuator that has an elongated channel that is configured to operatively support the surgical staple cartridge therein and an anvil that is movably supported on an elongated channel between an open position and closed positions in response to a Opening and closing motion request applied to this. An anvil locking member cooperates with the anvil to secure the anvil in an open position when a staple cartridge has not been installed in the elongated channel and prevent the anvil from moving to a closed position until the staple cartridge is seated within the channel. elongated. Surgical staple cartridges are configured to move the anvil from an open position to an actionable position when the cartridge has been installed in the end actuator.
    公开号:BR112014023954B1
    申请号:R112014023954-1
    申请日:2013-03-14
    公开日:2021-04-20
    发明作者:Richard L. Leimbach；Michael E. Setser
    申请人:Ethicon Endo-Surgery, Inc；
    IPC主号:
    专利说明:

    Background
    [001] The present invention relates to surgical instruments and, in various embodiments, surgical cutting and stapling instruments and staple cartridges thereof that are designed to cut and staple tissue. summary
    [002] In accordance with at least one general form, a surgical stapling instrument is provided that includes an end actuator having an elongated channel configured to operatively support a surgical staple cartridge therein. An anvil is movably supported on the elongated channel between an open position and closed positions in response to the application of opening and closing motions applied thereto. An anvil lock member cooperates with the anvil to secure it in an open position when a staple cartridge has not been installed in the elongated channel and prevents the anvil from moving from a closed position to an open position until the staple cartridge is seated within the elongated channel.
    [003] In accordance with at least one other general form, a surgical stapling instrument is provided that includes a handle assembly and an elongated rod that is operatively coupled to the handle. A closing system is operationally supported by the cable to generate opening movements in response to actuation of an operationally supported closing trigger. The instrument additionally includes an elongated channel that is coupled to the rod assembly. The instrument also includes an anvil having an anvil support portion that is movably supported in the elongated channel between an open position and a closed position in response to applications of opening and closing motions transmitted thereto through the elongated rod assembly. . An anvil locking element is operatively supported by the elongated rod assembly to make movable engagement with the anvil support portion. A surgical staple cartridge is configured to be seated within the elongated channel and cooperates with the support portion of the anvil so that when the surgical staple cartridge is not seated within the elongated channel, the locking member cooperates with the support portion. of the anvil to hold the anvil in the open position. Furthermore, when the surgical staple cartridge is seated within the elongated channel, the staple cartridge moves the anvil support portion to a position where the anvil can be closed by applying closing motions thereto.
    [004] In accordance with yet another general form, a surgical staple cartridge is provided for use with a surgical stapling instrument including an end actuator with an anvil that is supported in an open position until it is moved into a position actionable in that the anvil is movable to closed positions in response to a closing motion applied thereto by a closing system. In at least one form, the surgical staples cartridge comprises a cartridge body that is sized to releasably seat within a portion of the end actuator such that a portion of the cartridge body contacts the anvil. to move the anvil from the open position to the actionable position inside the end actuator. BRIEF DESCRIPTION OF THE DRAWINGS
    [005] The features and advantages of this invention, and the manner of achieving them, will become more apparent and the invention itself will be better understood by reference to the following description of embodiments of the invention, taken in conjunction with the accompanying drawings, being what:
    [006] Figure 1 is a perspective view of a surgical stapling instrument modality;
    [007] Figure 2 is an exploded overall view of the surgical stapling instrument of Figure 1;
    [008] Figure 3 is an exploded view of a portion of a modality of the joint assembly;
    [009] Figure 4 is a partial exploded perspective view of a portion of the cable;
    [0010] Figure 5 is a side view of the cable with a cable case removed;
    [0011] Figure 6 is a partial exploded perspective view of a modality of end actuator and anvil lock;
    [0012] Figure 6A is a partial exploded perspective view of another modality of end actuator and anvil locking element;
    [0013] Figure 7 is a perspective view of one embodiment of the anvil locking member;
    [0014] Figure 7A is a perspective view of an anvil latch member of the embodiment of Figure 6A;
    [0015] Figure 8 is a side elevation view of an end actuator modality in an open position;
    [0016] Figure 9 is a top view of the end actuator of Figure 8;
    [0017] Figure 10 is a bottom view of the end actuator shown in Figures 8 and 9;
    [0018] Figure 11 is a partial perspective view of an anvil arrangement;
    [0019] Figure 12 is a perspective view of a pivot support modality;
    [0020] Figure 13 is a bottom perspective view of the pivot support mode of Figure 12;
    [0021] Figure 14 is a perspective view of a proximal end portion of a surgical staple cartridge embodiment;
    [0022] Figure 15 is a side elevation view of the surgical staple cartridge modality shown in Figure 14;
    [0023] Figure 16 is a side view of an end actuator modality before seating a staple cartridge in the elongated channel;
    [0024] Figure 17 is a cross-sectional view of the end actuator shown in Figure 16;
    [0025] Figure 18 is an embodiment of an end actuator of Figures 16 and 17 with the anvil in the open position and wherein the surgical staple cartridge is being inserted into the elongated channel;
    [0026] Figure 19 is a cross-sectional view of the end actuator of Figure 18;
    [0027] Figure 20 is a side view of the end actuator of Figures 16 to 19 with the staple cartridge mode seated within the elongated channel;
    [0028] Figure 21 is a cross-sectional view of the end actuator of Figure 20;
    [0029] Figure 22 is a side elevation view of the end actuator of Figures 16 to 22 clamping fabric;
    [0030] Figure 23 is a cross-sectional view of the end actuator of Figure 22;
    [0031] figure 24 is a side elevation view of the end actuator of figures 16 to 23 in a fully secured position ready for firing;
    [0032] Figure 25 is a cross-sectional view of the end actuator of Figure 24;
    [0033] Figure 26 is an exploded view of the assembly of another modality of surgical stapling instrument;
    [0034] Figure 27 is a perspective view of another form of pivot support;
    [0035] Figure 28 is a bottom perspective view of the pivot support mode of Figure 27;
    [0036] Figure 29 is a partial exploded perspective view of an end actuator of another modality of anvil lock element;
    [0037] Figure 30 is a perspective view of another form of anvil lock element;
    [0038] Figure 31 is a partial side elevation view of a proximal end portion of another surgical staple cartridge modality;
    [0039] Figure 32 is a perspective view of a proximal end portion of the surgical staple cartridge of the embodiment of Figure 31;
    [0040] Figure 33 is a side view of another modality of end actuator before seating a staple cartridge in the elongated channel;
    [0041] Figure 34 is a cross-sectional view of the end actuator shown in Figure 33;
    [0042] Figure 35 is a side view of an end actuator modality of Figures 33 and 34 with the anvil in the open position where the surgical staple cartridge is being inserted into the elongated channel;
    [0043] Figure 36 is a cross-sectional view of the end actuator of Figure 35;
    [0044] Figure 37 is a side view of the end actuator of Figures 33 to 36 with a staple cartridge mode seated within the elongated channel;
    [0045] Figure 38 is a cross-sectional view of the end actuator of Figure 37;
    [0046] Figure 39 is a side elevation view of the end actuator of Figures 33 to 38 clamping fabric;
    [0047] Figure 40 is a cross-sectional view of the end actuator of Figure 39;
    [0048] Figure 41 is a side elevation view of the end actuator of figures 33 to 40 in a fully secured position ready for firing; and
    [0049] Figure 42 is a cross-sectional view of the end actuator of Figure 41. DETAILED DESCRIPTION
    [0050] Certain exemplary embodiments will now be described to provide a general understanding of the principles of structure, function, fabrication, and use of the disclosed devices and methods of the present invention. One or more examples of these embodiments are illustrated in the attached drawings. Those skilled in the art will understand that the devices and methods specifically described herein and illustrated in the accompanying drawings are non-limiting exemplary embodiments, and that the scope of the various embodiments of the present invention is defined only by the claims. Features illustrated or described in conjunction with one exemplary embodiment may be combined with features from other embodiments. Such modifications and variations are intended to be included within the scope of the present invention.
    [0051] Reference from beginning to end of the descriptive report to "various modalities", "some modalities", "a modality", or "the modality", or similar, means that an attribute, structure, or characteristic described in conjunction with the modality is included in at least one modality. Therefore, appearances of the phrases "in various modalities", "in some modalities", "in a modality", or "in a modality", or similar, in places throughout the descriptive report do not necessarily refer to the same modality. Furthermore, particular attributes, structures, or characteristics may be combined in any suitable way in one or more modalities. Therefore, particular attributes, structures, or features illustrated or described in conjunction with an embodiment may be combined, in whole or in part, with the attribute structures, or features of one or more other embodiments without limitation. Such modifications and variations are intended to be included within the scope of the present invention.
    The terms "proximal" and "distal" are used herein with reference to a clinician's manipulation of the handle portion of the surgical instrument. The term "proximal" refers to the portion closest to the clinician, and the term "distal" refers to the portion located furthest from the clinician. It will also be understood that, for the sake of convenience and clarity, spatial terms such as "vertical", "horizontal", "upward" and "downward" may be used in the present invention in connection with the drawings. However, surgical instruments can be used in many orientations and positions, and these terms are not intended to be limiting and/or absolute.
    [0053] Several exemplary devices and methods are provided for performing laparoscopic and minimally invasive surgical procedures. However, those of ordinary skill in the art will readily understand that the various methods and devices disclosed in the present invention can be used in numerous surgical procedures and applications including, for example, in connection with open surgical procedures. As the present detailed description progresses, persons skilled in the art will further understand that the various instruments presented in the present invention can be inserted into a body in any way, such as through a natural orifice, through an incision or perforation formed in the tissue, etc. Functional portions or end actuator portions of instruments can be inserted directly into a patient's body or can be inserted through an access device that has an elongated working channel through which the end actuator and elongated shaft a surgical instrument can be advanced.
    Returning to drawings in which like numbers denote like components throughout the various views, Figures 1 and 2 depict a surgical stapling device 10 that is capable of exercising unique benefits of modalities disclosed in the present invention. An exemplary surgical device that has features with which the modalities of the present invention can be effectively employed is disclosed in US Patent No. 5,704,534 entitled "Articulation Assembly For Surgical Instruments", granted June 6, 1998, the description of which is incorporated herein by reference. Various other modalities of exemplary surgical stapling devices are described in more detail in the following US patents which are each incorporated herein by reference in their respective entireties: US Patent No. 6,964,363 entitled "Surgical Stapling Instrument Having Articulation Joint Support Plates For Supporting a Firing Bar", granted on November 15, 2005; US Patent No. 7,000,818 entitled "Surgical Stapling Instrument Having Separate Distinct Closing and Firing Motions", issued February 21, 2006; US Patent No. 7,044,352, entitled "Surgical Stapling Instrument Having A Single Lockout Mechanism For Prevention of Firing", issued May 16, 2006; US Patent No. 7,111,769 entitled "Surgical Instrument Incorporating An Articulation Mechanism Having Rotation About the Longitudinal Axis", issued September 26, 2006; and US Patent No. 7,143,923 entitled "Surgical Stapling Instrument Having A Firing Lockout For an Unclosed Anvil", granted December 5, 2006.
    [0055] Again with reference to Figures 1 and 2, the surgical stapling device 10 includes a handle 20 that is operatively connected to an implement portion 22, the latter further comprising an elongated rod assembly 30 that is operatively coupled to a end actuator 200. The handle portion 20 includes a handle 24 toward which a closing trigger 152 is pivotally pulled by the clinician to effect a clamping or closing of the anvil 220 toward an elongated channel 210 of the end actuator. 200. A firing trigger 102 is first actuated from the closing trigger 152 and pivotally extracted by the physician to staple and cut tissue trapped in the end actuator 200.
    [0056] For example, close trigger 152 is fired first. When the clinician is satisfied with the placement of the end actuator 200, he can retract the close trigger 152 to the fully closed and locked position adjacent to the handle 24. Then, the trigger trigger 102 is activated. Trigger trigger 102 springs back when the clinician removes pressure. A release button 120, when pressed on the proximal end of the cable portion 20, releases the locked closing trigger 152. Pivot system
    [0057] The embodiment shown includes a hinge assembly 62 that is configured to facilitate the articulation of the end actuator 200 around the elongated axis AA of device 10. Various embodiments, however, can also be employed effectively in conjunction with clipping devices non-articulated surgical procedures. As can be seen in Figure 2, for example, the elongated rod assembly 30 includes a proximal closure tube segment 151 that is operatively supportable by a mouthpiece 60 that is supported by the handle 20. cable cases 21 and 23 which operatively contain trigger and closure systems 100 and 150. A proximal end portion 153 of the proximal closure tube segment 151 is pivotally supported by the handle 20 to facilitate its selective rotation about the elongated shaft AA . See Figure 1. As can also be seen in Figures 1 and 2, in at least one embodiment, a distal end portion 157 of the proximal closure tube segment 151 is coupled to a flexible neck assembly 70. The flexible neck assembly 70 has first and second flexible neck portions 72 and 74 that receive first and second sets of elongated flexible transmission band 83 and 85. First and second transmission band sets 83 and 85 have band portions gussets 86 and 87, respectively, which extend distally from the structural portions of the bands. Each outer bracing band portion 86 and 87 has a plurality of fasteners 88 for securing the first and second inner hinge bands 89 and 90. See Figure 2. Transmission band assemblies 83 and 85 may be, per example, composed of a plastic, specifically an amorphous fiberglass-reinforced polyamide, sold commercially under the trade name Grivory GV-6H by EMS-American Grilon. Rather, it may be desired that the inner hinge bands 89 and 90 of the transmission band assemblies 83 and 85 be composed of metal, advantageously "full hard" stainless steel 301 (no annealing) or its equivalent. The fasteners 88 in the outer reinforcing band portions 86 and 87 of the transmission bands 83 and 85 respectively are received and secured in a plurality of pin holes 91 in the corresponding inner hinge band 89 and 90. At the distal end of the first and second inner pivot band assemblies 89 and 90, there are first and second connectors 92 and 93. A pivot assembly further comprises distal pivot bands 96 and 97 which are configured to hook-up with first and second connectors 92 and 93, respectively. Pivot bands 96 and 97 have receptacles 98 and 99 for coupling bands 96 and 97 to end actuator 200 as will be discussed further in detail below.
    [0058] In at least one form, the flexible neck assembly 70 is preferably a composite of a rigid thermoplastic polyurethane sold commercially under the name ISOPLAST grade 2510 by the Dow Chemical Company. As seen in Figure 3, flexible neck assembly 70 has first and second flexible neck portions 72 and 74. These neck portions 72 and 74 are separated by a central longitudinal rib 73. See Figure 6. neck 72 and 74 each have a plurality of neck ribs 75 configured essentially as semicircular disks. The flexible neck portions 72 and 74 together form a generally cylindrical configuration. A side slit 76 extends through each of the neck ribs 75 to provide a passage through the first and second flexible neck portions 72 and 74 to receive the inner hinge bands 89 and 90 and outer bracing band portions 86 and 87 of flexible band assemblies 83 and 85. Similarly, the central longitudinal rib 73 separating the first and second flexible neck portions 72 and 74 has a central longitudinal slit to provide a passage for receiving the stapler actuating members. Extending proximally from the first and second flexible neck portions 72 and 74 are the first and second bearing guide surfaces 77 and 78 for supporting the reciprocal movement of the inner hinge bands 89 and 90 and the outer bracing portions 86 and 87 of flexible transmission band assemblies 83 and 85. Extending from the distal end of flexible neck portions 72 and 74 is a channel guide 79 for guiding movement of the stapler actuating members toward the a staple cartridge 300 from the end actuator 200, as will be discussed further below.
    [0059] In at least one way, when the first and second transmission band sets 83 and 85 are brought into contact with each other during assembly of the instrument 10, they form an elongated cylinder with a longitudinal cavity therethrough which is positioned concentrically between band assemblies 83 and 85 for passage of a staple firing rod 110. The proximal ends of the first and second bands have first and second gear rails 94 and 95 which, as will be discussed below , meshingly engage with a hinge assembly 62.
    [0060] On rotation of the hinge set 62, one of the first and second flexible transmission bands is moved forward and the other band set is moved backward. In response to the reciprocal movement of band assemblies 83 and 85 within the first and second flexible neck portions 72 and 74 of flexible neck assembly 70, a flexible neck assembly 70 bends to provide a hinge. As seen in Figure 5, a pivot assembly 62 includes an actuator 63, a pivot body 64, and a nozzle 60. The pivotal movement of the actuator 63 causes a corresponding rotation of the pivot body 64 within the nozzle 60. and second elongated transmission band assemblies 83 and 85 therefore reciprocate axially in opposite directions parallel to the longitudinal axis AA of endoscope rod 30 of clamping device 10 to cause remote pivoting of end actuator 200 across the assembly. of flexible neck 70. The articulation body 64 additionally includes a steering gear 65 therein. As can be seen in Figure 4, the steering gear 65 has a widened opening 66 therethrough, and a lower pivot 67. Within the widened opening 66 of the steering gear 65, there is a clamp firing rod hole 68 for receiving the staple firing rod 110 allowing the discharge of staples into the stapled fabric in response to a pivotal rotation of the firing trigger 102. The steering gear 65 is supported by a mesh engagement with the first and second steering racks 94 and 95 over the elongated and flexible transmission band sets 83 and 85 to cause the desired reciprocal movement of the band sets 83 and 85.
    [0061] As can be seen in Figure 5, the nozzle 60 of the pivot assembly 62 has a nozzle body 61. The nozzle body 61 has an axial hole 69 extending therethrough to receive the steering gear 65 of the body. of pivot 64. Hole 69 provides an axially continuous opening of the frame into the elongated endoscopic rod 30 and therefore the staple firing rod 110 and other operating components of the clamping device 10 can communicate with the clamping actuator. end 200. Additional details relating to hinge assembly 62 can be found in US Patent No. 5,704,534, hereinbefore incorporated by reference. Closing system
    [0062] As will be discussed further in detail below, the end actuator 200 comprises an elongated channel 210 that is configured to operatively receive a surgical staple cartridge 300. An anvil 220 is movably supported relative to the elongated channel 210 and is moved from an open position (figures 16 and 17) to closed positions where the fabric can be cut and stapled (figures 24 and 25). The movement of the anvil 220 between the open and closed positions is controlled at least partially by a closing system, generally designated 150, which, as indicated above, is controlled by a closing trigger 152. The closing system 150 includes the proximal closure tube segment 151 operatively housing the hinge band assemblies 83 and 85 in the manner discussed above and which is non-movably coupled to the flexible neck assembly 70.
    [0063] In various forms, the proximal closure tube segment 151 includes a proximal end portion 153 that extends axially through the hole 69 in the mouthpiece 60. The proximal closure tube segment 151 has elongated axial slots 155 through the even to allow the hinge body 64 to extend therethrough. See Figure 2. Slots 155 allow pivot body 64 to rotate around pivot axis BB relative to proximal closure tube segment 151 while facilitating axial movement of proximal closure tube segment 151 along axis AA with respect to the articulation body 64. The transmission bands 83 and 85 function as a frame in which the segment 151 can move axially. The proximal end 153 of the proximal closure tube segment 151 is rotationally coupled to a closure head 154 which is supported within the handle 20 to allow reciprocal movement therein. See figures 4 and 5.
    [0064] The closing trigger 152 has a handle section 156, a gear segment section 158 and an intermediate section 160. See Figure 5. A hole extends through the intermediate section 160. A cylindrical support member 162 extending from the second handle compartment 23 through the hole to pivotally mount the closing trigger 152 over the handle portion 20. A proximal end 98 of the closing head 154 has a gear rack 164 that is engaged by the gear segment section 158 of the closing trigger 152. When the closing trigger 152 is moved towards the handle 24 of the handle portion 20, the head 152 and the proximal closing tube segment, therefore, the sleeve closures 151 move distally, compressing a spring 166 that tilts head 154 proximally.
    [0065] In at least one form, the closure system 150 additionally includes a distal closure tube segment 170 that is non-movably coupled to the channel guide portion 79 of the flexible neck assembly 70 by connecting tabs 72 and 74. See Figures 9 and 10. The distal cap tube segment 170 has an opening 176 therein that is adapted to interface with an upright tab 224 formed on the anvil 220 as will be discussed further in detail below. Thus, axial movement of the proximal closure tube segment 151 results in axial movement of the flexible neck assembly 70, as does the distal closure tube segment 170. For example, distal movement of the proximal closure tube segment 151 has in effect the pivotal translational movement of the anvil 220 distally and towards the elongated channel 210 of the end actuator 200 and the proximal movement has an effect on the opening of the anvil 220 as will be discussed further in detail below. firing system
    [0066] In at least one form, the surgical instrument 10 additionally includes a fastener discharge system, generally designated as 100, to apply firing motions to the staple firing rod 110 in response to actuation of the firing trigger 102. In at least one form, the firing system 100 further includes a steering member 104 which has a first and second gear rack 105 and 106 therein. A first notch 109 is provided in the drive member 105 intermediate the first and second gear racks 105 and 106. During the return movement of the firing trigger 102, a tooth 112 on the firing trigger 102 engages the first notch 109 to return the drive member 104 to its initial position after firing staples. A second notch 114 is located in a proximal end of trigger rod 110 for locking trigger rod 110 to an upper locking arm 122 of release button 120 in its unfired position. Firing system 150 additionally includes first and second integral pinion gears 111 and 113. First integral pinion gear 111 is engaged with a first gear rack 115 provided on drive rod 110. Second integral pinion gear 113 is engaged with first gear rack 105 on drive member 104. First integral pinion gear 111 has a first diameter and second integral pinion gear 113 has a second diameter that is smaller than the first diameter.
    [0067] In various embodiments, the firing trigger 102 is provided with a gear segment section 103. The gear segment section 103 engages the second gear rack 106 on the drive member 104 so that the trigger movement trigger 102 causes drive member 104 to move back and forth between a first and second position. In order to prevent staple firing before fabric pinching occurs, the upper locking arm 122 in the release button 120 is engaged with the second notch 114 in the drive rack 115 so that the staple firing rod 110 is locked. in its most proximal position. When the upper locking arm 122 slips into a recess in the cap hook, the upper locking arm 122 disengages with the second notch 114 to allow distal movement of the staple firing rod 110. drive member 104 and drive rack 115 on staple firing rod 110 are engaged, movement of firing trigger 102 causes staple firing rod 110 to reciprocate between a reciprocating first position and a reciprocating second position. Additional details relating to various aspects of firing system 150 may be collected with reference to US Patent No. 7,000,818 which has been incorporated herein by reference in its entirety.
    [0068] As can be seen in Figure 3, in various embodiments, the distal end 117 of the staple firing rod 110 is rotatably received within a firing bar support head 118. shot 118 has a slot 119 for engaging a hook 132 formed on a proximal end of a knife bar 130. Additionally, as shown in Figure 3, a support bar 140 is supported by an axial movement between the first and second surfaces of the knife. support guide 77 and 78 of flexible neck assembly 70. Support bar 140 has a slit 142 that is configured to allow knife bar 130 to slip therethrough. Metal knife bar 130 has a tissue cutting edge 134 formed at its distal end and is configured to operatively interface with a sliding wedge holder supported within a surgical staple cartridge 300. End actuator
    [0069] As discussed above, in at least one form, an end actuator 200 includes an elongated channel 210 that is configured to operatively support a surgical staple cartridge 300 therein. As shown in Figures 2 and 6, elongate channel 210 has a proximal end that includes two spaced apart support tabs 212 that are configured to be engaged by hooks 998 and 899 at the distal ends of pivot bands 96 and 97. reciprocating motions of pivot bands 96 and 97 cause an elongated channel 210 to pivot with respect to flexible neck assembly 70. As indicated further above, end actuator 200 also includes an anvil 220. In at least one form, the anvil 220 is made of, for example, 416 hardened and tempered stainless steel RC35 Min (or similar material) and has a 222 staple forming underside thereon which is configured for mating against a 300 staple cartridge when mounted in elongated channel 210. Anvil 220 is formed with a proximally extending support portion 223 that includes two walls of swivel pins 226 and 228, each of which one has a swivel pin 30 that protrudes from it. See figure 11. In addition, on the underside 232 of the support portion 223 there is a downwardly projecting pivot tab 234 which has a slot 236 extending therethrough which is configured to receive and support the knife bar 130 as it is advanced axially through the end actuator 200 during cutting and clamping. In addition, the flap of the anvil opening system 224 is formed over the support portion 223 so that it can interface with the opening 176 in the distal closure tube 170 as will be discussed further below. As can be seen in Figures 16 to 25, the anvil swivel pins 230 are configured to be movably received in corresponding swivel pin slots 214 formed in the proximal end of elongated channel 210. Each swivel pin slot 214 has an arcuate segment 216 which communicates with a locking notch 218.
    [0070] To facilitate pivotal movement of the anvil support portion 223 relative to the elongated channel 210, various arrangements include a pivot support 240. As seen in Figures 12 and 13, one form of a pivot support 240 has a structural portion 242 that is configured to be secured to the elongated channel 210. For example, the body portion 242 may be formed with two opposing connecting tabs 243 that are configured to engage, via retention, the tab openings 211 (figure 6) formed in elongated channel 210. In addition, pivot bracket 240 has a proximally extending foot portion 244 that has a retainer pin 245 projecting therefrom that is configured to be received in a corresponding opening 211 in the elongated channel 210. See figure 17. Pivot bracket 240 can be manufactured from eg vectra A435 liquid crystal polymer - natural or similar materials. As can be seen further in Figures 12 and 13, the body portion 242 has an upright central portion 246 that has a slot 247 that extends therethrough to axially receive the knife bar 130. The central portion 246 provides lateral support. to the knife bar 130 as it is directed through the fabric stapled within the end actuator 200. Various embodiments of the pivot bracket 240 further include oscillating surfaces 248 formed on each side of the center portion 246 to hingedly receive the walls of swivel pin 226 and 228 of anvil 220. Anvil locking system
    [0071] Various embodiments include a unique and innovative anvil 250 locking system that prevents anvil 220 from closing when a staple cartridge 300 has not been properly installed in the elongated channel 210. Referring to Figures 6 and 7, for example, a An anvil locking system embodiment 250 includes a movable anvil locking member 260 that is movable in response to contact with a portion or portions of the staple cartridge 300 as will be discussed in further detail below. In at least one form, the anvil locking member 260 comprises the body portion 262 having a distally projecting central support tab 264 formed thereon. A slit 266 extends through the body portion 262 and center support tab 264 to allow knife bar 130 to pass therethrough. Body portion 262 further includes a proximally extending support bar 268 that is configured to be slidably received within a corresponding support opening 270 in channel guide 79 of flexible neck assembly 70. a biasing element in the form of, for example, a coil spring 269 is supported within an aperture 270 for biasing the anvil lock member 260 in the distal "DD" direction. See Figure 16. When anvil 220 is mounted to elongate channel 210, swivel pins 230 are received within their corresponding swivel pin slots 214 in elongate channel 210, center support tab 264 of anvil lock member 260 is received. between the walls of the swivel pins 226 and 228 to provide additional support to the anvil 220. The body portion 262 of the anvil locking member 260 is further formed with two cam surfaces 263 configured to engage with the proximal end surfaces 227 and 229 of the swivel pin walls 226 and 228. See Figures 6 and 7. Various embodiments of the anvil locking member may be fabricated from, for example, natural vectra A435 liquid crystal polymer or similar materials.
    [0072] Figures 6A and 7A illustrate an alternative anvil lock member 260' that is movable in response to contact with a portion or portions of a staple cartridge 300. In at least one form, the anvil lock member 260 ' comprises a body portion 262 having a distally projecting central support tab 264 formed therein. A slit 266 extends through the body portion 262 and center support tab 264 to allow knife bar 130 to pass therethrough. The body portion 262 further includes a proximally extending support bar 268' which is configured to be slidably and carefully received within the corresponding support opening 270' in the channel guide 79' of the flexible neck assembly 70 '. Furthermore, a bias element in the form of, for example, a coil spring 269 is supported within the opening 270' to bias the anvil locking member 260' in the distal direction "DD". Anvil locking member 260' otherwise operates in the same manner as anvil locking member 260. When anvil 220 is mounted to elongate channel 210, swivel pins 230 are received within their corresponding swivel pin slots. 214 in elongate channel 210, central support tab 264 of anvil lock member 260 is received between the walls of swivel pins 226 and 228 to provide additional support to anvil 220. Body portion 262 of anvil lock member 260 is additionally formed with two cam surfaces 263 configured to engage proximal end surfaces 227 and 229 of swivel pin walls 226 and 228. Distal closure tube segment 170' operates in the same manner as distal closure tube segment 170 described above. Surgical staple cartridge
    [0073] Various embodiments include a unique and innovative surgical staple cartridge 300 that is configured to interface with the anvil locking system 250 when installed in the elongated channel 210. As seen in Figures 14 and 15, in at least one Accordingly, the surgical staple cartridge 300 includes a cartridge body 302 which may be fabricated from, for example, vectra A435, 20% PTFE/15% natural GF-. Cartridge body 302 is sized and shaped to be received within an elongated channel 210. In at least one way, cartridge body 302 is configured to seat in, and releasably retained therein. Cartridge body 302 may be formed with a centrally disposed slit 304 therein to receive knife bar 130. On each side of slit 304, rows 306, 308 and 310 of clip openings 312 are provided which are configured to support a clip. surgical on that. In the embodiment shown, three rows 306, 308 and 310 are provided on each side of slot 304. Surgical clips can be supported on clip drivers which are movably supported within clip apertures 312. It is also supported within the body of the clip. staple cartridge 302 a sliding wedge holder configured for axial movement through the cartridge body 302 when it contacts the cutterbar. The wedge slide holder is configured with wedge-shaped insert members that contact the clamp drivers and direct these drivers and their corresponding clamps towards the closed anvil as the slide holder is driven distally through the body. of cartridge 302. Examples of clamp driver arrangements and sliding wedge holder arrangements that may be employed are further described in detail in US Patent No. 7,669,746, the entire description of which is incorporated herein by reference. In various embodiments, to facilitate the installation of the sliding wedge holder and drivers in the cartridge body 302, metallic cartridge paddles 314 and 316 may be attached to the cartridge body 302 as shown in Figures 14 and 15. Cartridge paddles 314 and 316 serve to secure the wedge slide holder and drivers within the cartridge body 302.
    [0074] In various embodiments, the cartridge body 302 additionally has at least one release member formed therein that projects in the proximal direction. In the embodiment shown in Figure 14, two release members 320 are formed at the proximal end 319 of cartridge 300. The release members 320 each have a wedge shape that defines an inclined pivot surface 321 that is configured to shapely support an anvil support portion 223 is hinged therein. Installing a staple cartridge
    [0075] An understanding of the operation of an anvil lock system can be obtained by referring to Figures 16 to 25. Figures 16 and 17 illustrate the position of the anvil 220 relative to the elongated channel 210 prior to installation of a cartridge. of clamps 300. When in that open "unloaded" position, the anvil locking member 260 is biased distally by spring 269 so that the cam surfaces 263 on the anvil locking member 260 are in contact with the end surfaces 227 and 229 of the swivel pin walls 226 and 228. The anvil locking member 260 pushes the anvil support portion 223 in the distal "DD" direction so that the swivel pins 230 are seated in their respective locking notches 218. Cam surfaces 263 on anvil beam member 260, in cooperation with end wall surfaces 227 and 229, also serve to turn and hold the anvil in the open position as shown in Figures 16 and 17. o can be seen in Figure 16, when in that position, the swivel pin walls 226 and 228 are supported on the surfaces of the oscillator 248 on the pivot support 240. When in that position, the surgeon cannot close the anvil 220 by actuation. of the closing trigger 152 to advance the distal closing tube 170. Because the closing tube segments cannot be advanced distally to close the anvil 220, the closing trigger 152 cannot be actuated to its fully closed position so that firing trigger 102 can be actuated. In this way, when no cartridge 300 is present, the end actuator 200 may not trigger.
    [0076] Figures 18 and 19 illustrate the initial insertion of staple cartridge 300 into elongated channel 210. Figures 20 and 21 illustrate end actuator 200 after staple cartridge 300 has been fully seated in elongated channel 210 As can be seen in Figure 20 for example, when the cartridge 300 has been fully seated, the release elements 320 on the cartridge 300 engage the walls of the swivel pin 226 and 228 and serve to move the anvil support portion 223 in one direction. proximal "DP" so that the walls of the swivel pin 226 and 228 now pivotally rest on the release members 320. As can be seen in Figure 21, when in that position, the anvil support portion 223 moves in a manner. proximal so that the swivel pins 230 are moved out of their respective locking notches 218 and into the bottom of the slotted slot segment 216 to a "non-driveable" position by which the anvil 220 can be pivoted. closed by actuation of the closing trigger 152.
    [0077] When device 10 is in the initialization position and staple cartridge 300 has been loaded into the elongated channel as described above, both triggers 152 and 102 are forwarded and anvil 220 has been moved to the actuable position , as would be typical after inserting the loaded end actuator 200 through a trocar or other opening into a body cavity. The instrument 10 is then manipulated by the physician so that the tissue "T" to be stapled and separated is positioned between the staple cartridge 300 and the anvil 200, as shown in Figures 22 and 23. As discussed above, the trigger movement closure 152 toward handle 24 causes proximal closure tube segment 151, flexible neck assembly 70 and distal closure tube segment 170 to move distally. As the distal closure tube segment 170 moves distally, it contacts the closure protrusion 221 on anvil 220. Tissue pressure captured between anvil 220 and staple cartridge 300 serves to move anvil 220 in a manner that the swivel pins 230 are positioned to move within the slot segments of the arcuate swivel pin 216. The surgeon may pivot the anvil 220 relative to the staple cartridge 300 to manipulate and capture the desired tissue "T" in the end actuator 200 As the distal closure tube segment 170 contacts the closure boss 221, the anvil 220 is pivoted toward a clamped position. The retracted knife bar 130 does not prevent selective opening and closing of the anvil 220.
    [0078] Once the desired tissue "T" has been positioned between anvil 220 and cartridge 300, the clinician moves the closing trigger 152 proximally until it is positioned directly adjacent to the handle 24, locking the handle 20 in position. closed and stapled. As can be seen in Fig. 25, when in the fully stapled position, the anvil swivel pins 230 are located at the upper end of the arcuate slot portion 216 and the anvil flap 224 is received within the opening system 176 in the tube segment. distal closure 170. After tissue pinching has occurred, the clinician moves firing trigger 102 proximally causing knife bar 130 to move distally into end actuator 200. In particular, bar knife 130 moves through slot 236 in pivot flap portion 234 of anvil 220 and into slot 304 in cartridge body 302 to contact wedge slide holder operatively positioned within staple cartridge 300. As the knife bar 130 is directed distally, it cuts tissue T and directs the sliding wedge holder distally which causes the clips to be fired sequentially to form conts. I act with the lower staple-forming portion 222 of the anvil 220. The clinician continues to move the trigger 102 until he is in a mode proximal to the closing trigger 152 and the handle 24. Thus, all ends of the staples are bent as a result of their engages with anvil 220. Cutting edge 132 travels the full path through fabric T. The process is completed by releasing firing trigger 102 and then depressing release button 120 during simultaneous tightening of close trigger 152. action results in movement of the distal closure tube segment 170 in the proximal "D" direction. As the anvil flap 224 is engaged by the opening 176 in the distal closure tube segment 170 it pivots the anvil in the open position. End surfaces 227 and 229 again contact drive surfaces 263 on anvil lock member 260 to pivot the anvil to the open position shown in Figures 20 and 21 to allow cartridge 300 to be removed from the elongated channel. 210.
    [0079] Figures 26 to 42 illustrate an alternative surgical stapling instrument 10' that is similar in construction and operation to the surgical stapling instrument 10 except for the differences discussed below. This embodiment, for example, employs the pivot support 240' illustrated in Figures 29 and 30. As can be seen in Figures 27 and 28 one form of pivot support 240' has a structural part 242' which is configured to be secured to elongate channel 210. For example, body portion 242' may be formed with two opposing connecting tabs 243' that are configured to engage and retain tab openings 211 (FIG. 26) formed in elongated channel 210. , pivot support 240' has a proximally extending foot portion 244' and has a slot 247' extending therethrough to axially receive knife bar 130. Various embodiments of pivot support 240' include further, oscillating surfaces 248' formed on the structural part 242' to hingedly receive the swivel pin walls 226 and 228 of the anvil 220 thereon.
    [0080] This embodiment also includes an anvil 250' locking system that prevents the anvil 220 from closing when a staple cartridge 300' has not been properly installed in the elongated channel 210. Referring to figures 29 and 30, for example, a One embodiment of an anvil locking system 250' includes an anvil locking member 400 that is configured to contact the anvil support portion 223 as will be discussed in further detail below. In at least one form, the anvil lock member 400 comprises a spring bundle 402 which has a slot 404 therein to accommodate the knife bar 130. The spring bundle 402 is configured for attachment to the 79" channel guide of the assembly. of 70” flexible neck.
    [0081] As can be seen in Figures 31 and 32, in at least one form, the surgical staple cartridge 300' includes a cartridge body 302' that is similar to the surgical staple cartridge 300 described above, except for the differences discussed below. . Figure 29 depicts a sliding wedge support 360 that is supported within the cartridge body 302' in the manner described above. In this embodiment, the proximal end portion 303 of the cartridge body 302' is configured to contact a portion of the anvil holder 223 and pushes the anvil 220 proximally when the cartridge body 302' is seated within. of the elongated channel 210.
    [0082] An understanding of the operation of an anvil locking system 250' can be gleaned from reference to Figures 33 to 43. Figures 33 and 34 illustrate the position of anvil 220 relative to elongated channel 210 prior to installation of a 300' staple cartridge. When in the "unloaded" position, the anvil locking member 400 engages the upper surface of the anvil support portion 223 so that the anvil 220 is pivoted in the open position on the oscillator surfaces 248' on the pivot support 140' . When in that position, the swivel pins 230 are seated in their respective locking notches 218. When in that position, the surgeon cannot close the anvil 220 by actuating the closing trigger 152 to advance the distal closing tube 170'. Because the closing tube segments cannot be advanced distally to close the anvil 220, the closing trigger 152 cannot be actuated to its fully closed position so that the firing trigger 102 can be actuated. In this way, when no 300’ cartridge is present, the end actuator 200 may not be actuated.
    [0083] Figures 35 and 36 illustrate the initial insertion of the staple cartridge 300' into the elongated channel 210. Figures 37 and 38 illustrate the end actuator 200 after the staple cartridge 300' has been fully seated in the elongated channel. 210. As seen in Fig. 37 for example, when cartridge 300' has been fully seated, proximal end portion 303 on cartridge 300' engages swivel pin walls 226 and 228 and serves to move the anvil support portion. 223 in a proximal "DP" direction so that the swivel pins are moved out of their respective locking notch 218 and into an actuable position to the bottom of arcuate groove segment 216. Anvil 220 is now in a position of be pivoted closed by actuating the closing trigger 152.
    [0084] When device 10' is in the initialization position and staple cartridge 300' has been loaded into elongated channel 210 as described above, both triggers 152 and 102 are placed forward and anvil 220 is open and in the actuable position, as would be typical after insertion of the loaded end actuator 200 through a trocar or other opening into the body cavity. The instrument 10' is then manipulated by the physician so that the tissue "T" to be stapled and separated is positioned between the staple cartridge 300' and the anvil 220, as shown in Figures 39 and 40. As discussed above, the movement of the closure trigger 152 toward the handle 24 causes the proximal closure tube segment 151, the flexible neck assembly 70" and the distal closure tube segment 170" to move distally. As the distal closure tube segment 170' moves distally, it contacts a protrusion 221 on anvil 220. Tissue pressure captured between anvil 220 and staple cartridge 300' serves to move anvil 220 so that the swivel pins 230 are positioned to move within slot segments of the arcuate swivel pin 216. The surgeon may pivot the anvil 220 relative to the staple cartridge to manipulate and capture the desired tissue "T" in the end actuator 200. As the 170” distal closure tube segment contacts the closure boss 221, the anvil 220 is pivoted toward a clamped position. The retracted knife bar 130 does not prevent selective opening and closing of the anvil 220.
    [0085] Once the desired tissue "T" has been positioned between the anvil 220 and the cartridge 300', the clinician moves the closing trigger 152 proximally until it is positioned directly adjacent to the handle 24, locking the handle 20 in the closed and fixed position. As can be seen in Figure 42, when in the fully secured position, the anvil swivel pins 230 are located at the upper end of the arcuate slot portion 216 and the anvil flap 224 is received within the opening 176 in the distal closure tube segment. 170". After tissue pinching has occurred the clinician moves firing trigger 102 proximally causing knife bar 130 to move distally into end actuator 200. In particular, knife bar 130 moves through slot 236 in pivot flap portion 234 of anvil 220 and into slot 304 in cartridge body 302' to contact the sliding wedge holder operatively positioned within the staple cartridge. As the knife bar 130 is directed distally, it cuts tissue T and directs the sliding wedge holder 360 distally which causes the clamps to be sequentially fired into forming contact with the lower clamp-forming portion 222 of the anvil. 220. The clinician continues to move the trigger 102 to the proximal position of the close trigger 152 and the handle 24. Thus, all ends of the clamps are bent as a result of their engagement with the anvil 220. The cutting edge 132 it travels completely through the T tissue. The process is completed by releasing the trigger trigger 102 and then depressing the release button 120 during the simultaneous depressing of the trigger trigger 152. in the proximal "D" direction. As the anvil flap 224 is engaged by the opening 176 in the distal closure tube segment 170", the anvil 220 pivots in the open position. The anvil lock member 400 applies a shifting force to the upper surface of the pivot pin walls of the anvil support portion 223 and serves to pivot the anvil to its open position shown in Figures 33 and 34 to enable the cartridge spent 300' is removed from the elongated channel 210.
    [0086] The various unique and innovative features of the modalities described above serve to prevent the end actuator from being closed when a staple cartridge is not present or has not been properly seated within the elongated channel. When the anvil is in its locked position where the swivel pins of the anvil are locked into their respective locking notches, the anvil is held in the open position. When in the open position, the end actuator cannot be inadvertently inserted through a trocar. Because a complete closing path has been prevented, the staple firing system cannot be triggered. That way, even if the clinician tries to trigger the trigger, the device will not work. Various modalities also provide the clinician with feedback indicating that a cartridge is not present or has not been properly installed in the elongated channel.
    [0087] The devices described herein may be designed to be disposed of after a single use, or they may be designed to be used multiple times. In either case, however, the device can be refurbished for reuse after at least one use. Reconditioning can include any combination of steps of disassembling the device, followed by cleaning or replacing particular parts, and subsequent reassembly. In particular, the device can be disassembled, and any number of parts or particular parts of the device can be selectively exchanged or removed, in any combination. After cleaning and/or exchanging particular parts, the device can be reassembled for subsequent use in a reconditioning facility or by a surgical team immediately prior to a surgical procedure. Those skilled in the art will appreciate that reconditioning a device can use a variety of techniques for disassembly, cleaning/exchange, and reassembly. The use of such techniques, and the resulting refurbished device, are all within the scope of this order.
    [0088] Preferably, the invention described herein will be processed prior to surgery. First, a new or used instrument is obtained and, if necessary, cleaned. The instrument can then be sterilized. In a sterilization technique, the instrument is placed in a closed and sealed container, such as a plastic or TYVEK bag. The container and instrument are then placed in the field of radiation that can penetrate the container, such as gamma radiation, X-rays or high energy electrons. Radiation kills bacteria in the instrument and in the container. The sterilized instrument can then be stored in a sterile container. The sterile container keeps the instrument sterile until it is opened at the medical facility.
    [0089] Any patent, publication or other descriptive material, in whole or in part, which is said to be incorporated into the present invention by way of reference, is incorporated into the present invention only to the extent that the incorporated materials do not enter into conflict with existing definitions, statements or other descriptive material presented in this description. Accordingly, and to the extent necessary, the description as explicitly stated herein supersedes any conflicting material incorporated herein by reference. Any material, or portion thereof, which is hereby incorporated by reference into the present invention, but which conflicts with existing definitions, statements, or other descriptive materials set forth herein will be incorporated herein only to the extent that no conflict. will appear between the embodied material and the existing descriptive material.
    [0090] While this invention has been described as having exemplary designs, the present invention may be further modified within the spirit and scope of the description. This application is therefore intended to cover any variations, uses, or adaptations of the invention with the use of its general principles. Additionally, this application is intended to cover deviations from the present description that may occur with known or customary practice in the art to which this invention relates.
    权利要求:
    Claims (12)
    [0001]
    1. A surgical stapling instrument (10), comprising: an end actuator (200) comprising: an elongated channel (210) configured to support a surgical staple cartridge (300) therein; and an anvil (220) movably supported in the elongated channel between an open position and closed positions in response to an open and close motion request thereto; and an anvil lock member (260) which cooperates with the anvil to secure the anvil in an open position when a staple cartridge (300) has not been installed in the elongated channel (210) and prevents the anvil from moving into a position. closed until the staple cartridge has been seated within the elongated channel, wherein the anvil comprises an anvil support portion (223) pivotally supported in the elongated channel, and characterized by the fact that: the anvil locking member is angled at contact with the support portion of the anvil; the anvil support portion further comprises a pair of anvil swivel pins (230) movably received in corresponding swivel pin slots (214) in the elongated channel; each anvil swivel pin slot comprises: a locking notch (218) for receiving the corresponding anvil swivel pin therein when the surgical staple cartridge is not seated within the elongated channel; and an arcuate slot segment (216) for receiving the corresponding anvil swivel pin therein when the cartridge is seated within the elongated channel, so that the corresponding anvil swivel pin can movably traverse within the arcuate slot segment. by applying a closing motion on the anvil; and the anvil locking member biases the anvil support member to seat and retain the anvil swivel pins in the corresponding locking notch when the surgical staple cartridge is not seated within the elongated channel.
    [0002]
    2. A surgical stapling instrument according to claim 1, characterized in that the anvil support portion is configured to rotate about a portion of the elongated channel.
    [0003]
    A surgical stapling instrument according to claim 2, characterized in that the anvil support portion comprises a pivot flap (234) configured to pivot on a pivot support supported within the elongated channel.
    [0004]
    4. A surgical stapling instrument according to claim 1, characterized in that the anvil locking member comprises a body part (262) configured to contact the anvil support portion; and wherein the coil spring (269) cooperates with the body part to force the body part into contact with the support portion of the anvil.
    [0005]
    5. A surgical stapling instrument according to claim 4, characterized in that the body part includes at least one cam surface (263) therein, to contact the anvil support portion and command the anvil in an open position when the surgical staple cartridge has not been seated in the elongated channel.
    [0006]
    6. A surgical stapling instrument according to claim 1, characterized in that the anvil locking member comprises a bundle of springs (402) configured to tilt in contact with the support portion of the anvil.
    [0007]
    7. Surgical stapling instrument, according to claim 1, characterized in that it further comprises: a handle (20); an elongated rod assembly (30) operatively coupled to the handle; a closing system (150) operatively supported by the handle to generate closing and opening movements in response to actuation of the closing trigger operatively supported by the handle; a surgical staple cartridge (300) configured to seat within the elongated channel and cooperate with the anvil support portion such that: when the surgical staple cartridge has not been seated within the elongated channel, the anvil locking member cooperates with the anvil support portion for retaining the anvil in the open position; and when the surgical staple cartridge is seated within the elongated channel, the staple cartridge moves the anvil support portion to a position where the anvil can be closed by applying closing motions thereto, wherein: the channel elongated is coupled to the elongated rod assembly; the support portion of the anvil is movably supported in the elongated channel between an open position and closed positions in response to applications of opening and closing motions transmitted to it through the elongated rod assembly; and the anvil locking member is operatively supported by the elongated rod assembly for movable engagement with the anvil support portion.
    [0008]
    8. The surgical stapling instrument of claim 7, characterized in that the surgical staple cartridge is configured to contact the anvil support portion when the surgical staple cartridge has been seated within the elongated channel for moving the anvil support portion so that the pivot pins of the anvil are moved from the corresponding locking notch to the corresponding arcuate slot segment.
    [0009]
    9. A surgical stapling instrument according to claim 8, characterized in that the surgical staple cartridge comprises: a cartridge body (302) configured to be seated within the elongated channel; and at least one pivot portion configured to pivotally contact the anvil support portion when the surgical staple cartridge has been seated within the elongated channel.
    [0010]
    10. A surgical stapling instrument according to claim 9, characterized in that the at least one pivot portion comprises a pair of wedge-shaped pivot members formed at a proximal end of the cartridge body, each of which pivot members define an inclined pivot surface (321) for contacting a corresponding portion of the anvil support portion.
    [0011]
    11. A surgical stapling instrument according to claim 7, characterized in that the anvil locking member comprises a body part configured to contact an anvil support portion; and wherein the tilting element cooperates with the body part to tilt the body portion in contact with the support portion of the anvil.
    [0012]
    12. A surgical stapling instrument according to claim 7, characterized in that the anvil locking member comprises a bundle of springs (402) configured to tilt in contact with the support portion of the anvil.
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    同族专利:
    公开号 | 公开日
    WO2013148253A3|2014-03-13|
    CN104220012A|2014-12-17|
    CN104220012B|2017-09-29|
    EP2833803A2|2015-02-11|
    EP3653138A1|2020-05-20|
    JP2015512715A|2015-04-30|
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    US20190192161A1|2019-06-27|
    US20130248577A1|2013-09-26|
    JP6158295B2|2017-07-05|
    US9078653B2|2015-07-14|
    US10166025B2|2019-01-01|
    WO2013148253A2|2013-10-03|
    RU2640947C2|2018-01-12|
    MX2014011566A|2014-11-25|
    US20150289874A1|2015-10-15|
    RU2014143016A|2016-05-20|
    EP2833803B1|2019-12-25|
    EP3878379A1|2021-09-15|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-12-24| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-02-23| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-20| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/03/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/429,647|US9078653B2|2012-03-26|2012-03-26|Surgical stapling device with lockout system for preventing actuation in the absence of an installed staple cartridge|
    US13/429,647|2012-03-26|
    PCT/US2013/031423|WO2013148253A2|2012-03-26|2013-03-14|Surgical stapling device with lockout system for preventing actuation in the absence of an installed staple cartridge|
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