• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:
    surgical staple cartridge with self-dispensing staple holder. the present invention relates to a surgical instrument that includes a handle portion, a rod that houses a firing bar, an end actuator comprising an anvil, a lower jaw and a stapling and separation assembly responsive to a movement of longitudinal closure produced by the cable portion and the stem. the lower jaw is configured to receive a removable cartridge when in an open position. the cartridge includes a housing, a plurality of clips arranged in the housing, and a platform arranged on the plurality of clips. the platform defines openings, where each opening is substantially arranged over each clamp. the instrument includes a movable support that is integral with the cartridge housing or integral with the lower jaw of the end actuator. the support can be fixed to the anvil and includes a portion to receive the fabric. receiving the tissue propels and moves the support proximally inward in order to further cover the tissue.
    公开号:BR112014005922B1
    申请号:R112014005922-5
    申请日:2012-09-10
    公开日:2020-12-15
    发明作者:Joseph Zavatsky；Bret W. Smith；Thomas W. Lytle Iv；Matthew C. Miller；Yi-Lan Wang；Kreena Modi；Aron O. Zingman
    申请人:Ethicon Endo-Surgery, Inc；
    IPC主号:
    专利说明:

    BACKGROUND
    [001] In some contexts, endoscopic surgical instruments may be preferred over traditional open surgery devices, as a smaller incision can reduce recovery time and complications in the postoperative period. Consequently, some endoscopic surgical instruments may be suitable for placing a distal end actuator in a desired surgical site through the trocar cannula. These distal end actuators can hold the tissue in various ways to achieve a diagnostic or therapeutic effect (for example, cutter, claw, cutter, stapler, clamp applicator, access device, drug delivery device / gene therapy and device for applying energy using ultrasound, RF, laser, etc.). Endoscopic surgical instruments can comprise a rod between the end actuator and a cable portion, which is handled by the physician. This rod can allow insertion to the desired depth and rotation around the longitudinal axis of the rod itself, thus facilitating the positioning of the end actuator on the patient. The positioning of an end actuator can also be facilitated by the inclusion of one or more articulated joints or features, allowing the end actuator to be selectively articulated or even offset in relation to the longitudinal axis of the stem.
    [002] Examples of endoscopic surgical instruments include surgical staplers. Some of these staplers can be operated to staple layers of fabric, cut through stapled layers of fabric and urge staples through fabric layers to firmly join separate layers of fabric near the separate ends of the fabric layers. Exemplary surgical staplers are shown in US Patent No. 4,805,823, entitled "Pocket Configuration for Internal Organ Staplers", issued on February 21, 1989; US Patent No. 5,415,334, entitled "Surgical Stapler and Staple Cartridge", issued May 16, 1995; US Patent No. 5,465,895, entitled "Surgical Stapler Instrument", issued November 14, 1995; US Patent No. 5,597,107, entitled "Surgical Stapler Instrument", issued January 28, 1997; US Patent No. 5,632,432, entitled "Surgical Instrument", issued May 27, 1997; US Patent No. 5,673,840, entitled "Surgical Instrument", issued October 7, 1997; US Patent No. 5,704,534, entitled "Articulation Assembly for Surgical Instruments", issued January 6, 1998; US Patent No. 5,814,055, entitled "Surgical Clamping Mechanism", issued September 29, 1998; US Patent No. 6,964,363, entitled "Surgical Stapling Instrument having Articulation Joint Support Plates for Supporting a Firing Bar", issued on November 15, 2005; US Patent No. 6,978,921, entitled "Surgical Stapling Instrument Incorporating an E-Beam Firing Mechanism", issued December 27, 2005; US Patent No. 6,988,649, entitled "Surgical Stapling Instrument Having a Spent Cartridge Lockout", issued January 24, 2006; US Patent No. 7,000,818, entitled "Surgical Stapling Instrument Having Separate Distinct Closing and Firing Systems", issued February 21, 2006; US Patent No. 7,111,769, entitled "Surgical Instrument Incorporating an Articulation Mechanism having Rotation about the Longitudinal Axis", issued September 26, 2006; US Patent No. 7,143,923, entitled "Surgical Stapling Instrument Having a Firing Lockout for an Unclosed Anvil", issued December 5, 2006; US Patent No. 7,303,108, entitled "Surgical Stapling Instrument Incorporating a Multi-Stroke Firing Mechanism with a Flexible Rack", issued on December 4, 2007; US Patent No. 7,367,485, entitled "Surgical Stapling Instrument Incorporating a Multistroke Firing Mechanism Having a Rotary Transmission", published on May 6, 2008; US Patent No. 7,380,695, entitled "Surgical Stapling Instrument Having a Single Lockout Mechanism for Prevention of Firing", issued on June 3, 2008; US Patent No. 7,380,696, entitled "Articulating Surgical Stapling Instrument Incorporating a Two-Piece EBeam Firing Mechanism", issued on June 3, 2008; US Patent No. 7,404,508, entitled "Surgical Stapling and Cutting Device", issued July 29, 2008; US Patent No. 7,434,715, entitled "Surgical Stapling Instrument having Multistroke Firing with Opening Lockout", issued October 14, 2008; US Patent No. 7,721,930, entitled "Disposable Cartridge with Adhesive for Use with a Stapling Device", issued May 25, 2010; and US Patent No. 7,455,208, entitled "Surgical Instrument with Articulating Shaft with Rigid Firing Bar Supports", issued November 25, 2008. The description of each of the aforementioned US patents is incorporated into the present invention by reference. Although the aforementioned surgical staplers are described as used in endoscopic procedures, it should be understood that these surgical staplers can also be used in open procedures and / or other non-endoscopic procedures.
    [003] Although various types of surgical stapling instruments and associated components have been manufactured and used, it is believed that no one before the inventor (s) has manufactured or used the invention described in the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
    [004] The attached drawings, which are incorporated into this descriptive report and which form part of it, illustrate modalities of the invention and, together with the general description provided above and the detailed description of the modalities provided below, serve to explain the principles of the present invention.
    [005] Figure 1A depicts a perspective view of an articulated mentosurgical instrument with an end actuator in a non-articulated position;
    [006] figure 1B shows a perspective view of the surgical instrument of figure 1A with an end actuator in an articulated position;
    [007] figure 2 represents a perspective view of the open end actuator of the surgical instrument of figures 1A to 1B;
    [008] figure 3A shows a side cross-sectional view of the end actuator of figure 2, taken along line 3-3 of figure 2, with the firing bar in a proximal position;
    [009] figure 3B represents a lateral cross-sectional view of the end actuator of figure 2, taken along line 33 of figure 2, but showing the firing bar in the distal position;
    [0010] figure 4 represents a cross-sectional view from the end of the end actuator of figure 2, taken along line 4-4 of figure 2;
    [0011] figure 5 represents an exploded perspective view of the end actuator of figure 2;
    [0012] figure 6 represents a perspective view of the end actuator of figure 2, positioned on a fabric and having been activated once on the fabric;
    [0013] figure 7A depicts a fragmentary perspective view of an end actuator cartridge in figure 2 that includes an integral self-dispensing support example, the support being in a first retracted position in which it is not attached to the anvil;
    [0014] figure 7B shows a fragmentary view in perspective of the support of figure 7A in a second extended position in which it is fixed to the anvil;
    [0015] figure 8 shows a fragmentary perspective view of a cartridge of the end actuator of figure 2 that includes another example of integral self-dispensing support, the support being in an open position where it is fixed to the anvil;
    [0016] figure 9 depicts an exploded fragmentary view in perspective of a lower claw of the end actuator of figure 2 that includes another example of integral self-dispensing support, the support in an open position in which it is fixed to the anvil;
    [0017] figure 10 depicts an elevation view of the end actuator of figure 2 that includes the support of figure 9 in which the fabric is received within an intermediate portion of the support to push the support proximally in a space between the end actuator cartridge and anvil; and
    [0018] figure 11 depicts a perspective view of an end actuator with an integral self-dispensing support, the end actuator positioned on and actuated within the tissue to release a tissue repair composition from the support for the tissue.
    [0019] The drawings are not intended to limit in any way, and it is envisaged that various modalities of the invention may be carried out in a variety of other ways, including those not necessarily represented in the drawings. The attached drawings incorporated and forming a part of the specification illustrate various aspects of the present invention, and together with the description serve to explain the principles of the invention; it is understood, however, that this invention is not limited to the provisions shown. DETAILED DESCRIPTION
    [0020] The following description of specific examples of the invention should not be used to limit the scope of the present invention. Other examples, characteristics, aspects, modalities and advantages of the invention will become evident to those skilled in the art from the following description, which uses illustrations, one of the best ways contemplated for carrying out the invention. As will be understood, the invention can have other different and obvious aspects, all without departing from the invention. Consequently, drawings and descriptions should be considered as illustrative rather than restrictive. Exemplary surgical stapler
    [0021] Figures 1 to 6 depict an exemplary surgical cutting and stapling instrument 10 that is dimensioned for insertion, in a non-articulated state as depicted in figure 1A, through a trocar cannula passage to a surgical site on a patient to perform a surgical procedure. The stapling and separation surgical instrument 10 includes a cable portion 20 connected to an implement portion 22, the latter further comprising a stem 23 that ends distally in a hinge mechanism 11 connected distally to the end actuator 12. When the articulation 11 and the distal end actuator 12 are inserted through the canal of the trocar cannula, the articulation mechanism 11 can be remotely articulated, as shown in figure 1B, by the articulation control 13. Thus, the end actuator 12 it can reach behind an organ or approach tissue at a desired angle or for other reasons. It should be understood that terms such as "proximal" and "distal" are used in the present invention with reference to the cable portion 20 of the instrument 10 manipulated by the physician. In this way, the end actuator 12 is distal with respect to the most proximal portion of cable 20. It will also be recognized that, for convenience and clarity, spatial terms such as "vertical" and "horizontal" are 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 absolute.
    [0022] The end actuator 12 of the present example includes a lower jaw 16 and an articulated anvil 18. The handle portion 20 includes a pistol grip 24, against which a closing trigger 26 is pivotally pressed by the physician to in order to cause clamping or closing of the anvil 18 against the lower jaw 16 of the end actuator 12. This closing of the anvil 18 is achieved by means of an external closing sleeve 32, which moves longitudinally in relation to the cable portion 20 in response to the articulated actuation of the closing trigger 26 against the pistol grip 24. A distal closing ring 33 of the closing sleeve 32 is supported indirectly by the structure 34 of the implement portion 22. In the articulation mechanism 11, a proximal closing tube 35 of the closing sleeve 32 communicates with the distal portion (closing ring) 33. The structure 34 is flexibly connected to the lower jaw 16 via the articulation 11, allowing articulation in a single plane. The frame 34 also supports, in a longitudinal and sliding way, a triggering member (not shown), which extends through the rod 23 and transmits a firing movement from the trigger 28 to the trigger bar 14. The firing trigger 28 is further from the closing trigger 26, being pressed jointly by the physician to staple and separate the tissue clamped on end actuator 12, as will be described in more detail below. Then, release button 30 is released to release tissue from end actuator 12.
    [0023] Figures 2 to 5 depict an end actuator 12 that employs an E 14 beam firing bar to perform various functions. As can best be seen in Figures 3A and 3B, the firing bar 14 includes a transverse-oriented upper pin 38, a trigger-bar cover 44, a transverse-oriented middle pin 46 and a cutting edge in distal position 48. The upper pin 38 is located and can move inside an anvil pocket 40 of the anvil 18. The firing bar cover 44 slidably engages the lower surface of the lower jaw 16, causing the firing bar 14 to extend to the along the groove in the groove 45 (shown in figure 3B) that is formed along the lower jaw 16. The middle pin 46 slidably engages the top surface of the lower jaw16, cooperating with the trigger bar cover 44. In this way, the firing bar 14 positively spaces the end actuator 12 during firing, avoiding mechanical tightening that can occur between the anvil 18 and the lower jaw 16 with a minimum amount of pinched tissue and e avoiding the malformation of staples when an excessive amount of tissue is clamped.
    [0024] Figure 2 shows a firing bar 14 positioned proximally and anvil 18 pivoted to an open position, allowing an unspent staple cartridge 37 to be removably installed in a channel of the lower claw 16. As shown you can see better in figures 4 and 5, the staple cartridge 37 in this example includes the cartridge body 70, which contains an upper platform 72, and is coupled to a lower cartridge tray 74. As can be seen better in figure 2, a vertical slot 49 is formed through part of the staple cartridge 37. Also, as can be seen in figure 2, three lines of staple openings 51 are formed through the upper platform 70 on one side of the vertical slot 49, with another set of three rows of clamp openings 51 formed through the upper platform 70 on the other side of the vertical slot 49. Returning to figures 3 to 5, a wedge-shaped sliding support 41 and a plurality of grain drivers mpo 43 are captured between the body of the cartridge 70 and the tray 74, with the wedge-shaped sliding bracket 41 proximal to the clamp actuators 43. The wedge-shaped sliding bracket 41 is movable longitudinally inside the staple cartridge 37; whereas the staple actuators 43 are movable vertically inside the staple cartridge 37. The staples 47 are also positioned inside the cartridge body 70, above the corresponding staple actuators 43. In particular, each staple 47 is propelled vertically inside the cartridge body 70 by a clamp actuator 43, in order to urge the clamp 47 through an associated clamp opening 51. As can best be seen in figures 3A and 3B and 5, the wedge-shaped sliding support 41 has angled cam surfaces that push the clamp actuators 43 upward as the wedge-shaped sliding support 41 is propelled distally through the clamp cartridge 37.
    [0025] With the end actuator 12 closed, as shown in figure 3A, the firing bar 14 is advanced engaged with the anvil 18, through the entrance of the upper pin 38 in a longitudinal slot of the anvil 42. A drive block 80 is located at the distal end of the firing bar 14 and is configured to engage the wedge-shaped sliding bracket 41 so that the wedge-shaped sliding bracket 41 is pushed distally by the drive block 80 as the firing bar 14 is advanced distally through a staple cartridge 37. During this firing, the cutting edge 48 of the firing bar 14 enters the vertical slot 49 of the staple cartridge 37, separating the pinched fabric between the staple cartridge 37 and the anvil 18. As shown in figures 3A and 3B, the middle pin 46 and the propeller block 80, together, activate the staple cartridge 37 by entering a firing slot inside the staple cartridge 37, which takes the sliding support in fo wedge frame 41 to the upward contact of the cams with the staple actuators 43, which, in turn, impels the staples 47, through the staple openings 51 and to the forming contact with the staple forming cavities 53 on the inner surface of the anvil 18. Figure 3B represents the firing bar 14 completely displaced distally after the separation and stapling of the fabric are completed.
    [0026] Figure 6 shows an end actuator 12 that was actuated through a fabric in a single movement 90. As shown, the cutting edge 48 cut through the fabric 90, while the clip drivers 43 propelled three alternating rows of staples 47 through the fabric 90 on both sides of the cutting line produced by the cutting edge 48. Staples 47 are all oriented substantially parallel to the cutting line in this example, although it should be understood that staples 47 can be positioned in any appropriate guidelines. In the present example, end actuator 12 is removed from the trocar after the first stroke is completed, the staple cartridge sent 37 is replaced with a new staple cartridge, and end actuator 12 is again inserted through the trocar to reach the stapling site for additional cutting and stapling. This process can be repeated until the desired number of cuts and staples 47 has been applied. Anvil 18 may need to be closed to facilitate insertion and removal through the trocar; and the anvil 18 may need to be opened to facilitate replacement of the staple cartridge 37.
    [0027] It should be understood that the cutting edge 48 can separate fabrics substantially at the same time that the clamps 47 are pushed through the fabric during each stroke of actuation. In the present example, the cutting edge 48 closely follows the insertion of the clips 47, so that a clip 47 is pushed through the fabric just before the cutting edge 48 passes through the same region of the fabric, although it should be understood that this order can reversed, or that the cutting edge 48 can be directly synchronized with the adjacent clips. Although figure 6 shows the end actuator 12 being driven in two layers 92, 94 of fabric 90, it should be understood that end actuator 12 can be driven through a single layer of fabric 90 or more than two layers 92, 94 of fabric. It should also be understood that the formation and positioning of staples 47 adjacent to the cut line produced by the cutting edge 48 can substantially join the tissue at the cut line, thereby reducing or preventing bleeding and / or leakage of other body fluids in the cut-line. Various suitable configurations and procedures in which the instrument 10 can be used will be apparent to those skilled in the art in view of the teachings contained herein.
    [0028] It should be understood that instrument 10 can be configured and is operable in accordance with any other teachings of US Patent No. 4,805,823; US patent No. 5,415,334; US patent No. 5,465,895; US patent No. 5,597,107; US patent No. 5,632,432; US patent No. 5,673,840; US patent No. 5,704,534; US patent No. 5,814,055; US patent No. 6,964,363; US patent No. 6,978,921; US patent No. 6,988,649; US patent No. 7,000,818; US patent No. 7,111,769; US patent No. 7,143,923; US patent No. 7,303,108; US patent 7,367,485; US patent 7,380,695; US patent No. 7,380,696; US patent No. 7,404,508; US patent No. 7,434,715; US patent No. 7,721,930; and / or US patent No. 7,455,208. As noted above, the descriptions of each of these patents are incorporated by reference to the present invention. Additional exemplary modifications that can be made to instrument 10 will be described in more detail below. Several suitable ways in which the teachings below can be incorporated into instrument 10 will be apparent to those skilled in the art. Similarly, various ways in which the teachings below can be combined with various teachings of the patents cited herein will be apparent to those skilled in the art. It should also be understood that the teachings below are not limited to the instrument 10 or the devices taught in the patents cited herein. The teachings below can be readily applied to several other types of instruments, including instruments that would not be classified with surgical staplers. Various other suitable devices and configurations in which the teachings below can be applied will be apparent to those skilled in the art in view of the teachings contained herein. Comprehensive example self-dispensing support with one cartridge
    [0029] Figures 7A-7B show an exemplary self-dispensing support 100 integral to cartridge 37. Figure 7A shows support 100 in a first retracted position where support 100 is not yet attached to anvil 18 and a retained portion of the support 100 is housed in the cartridge 37. Figure 7B shows the support 100 in a second extended position where the support 100 has been fixed to the anvil 18 and an exposed portion of the support 100 is available for receiving the fabric 90, as described below.
    [0030] As shown in figure 7A, the support 100 can be disposed within the cartridge body 37 above the cartridge drum 102 in a laminated formation such as the support cylinder 103. The cylinder 103 is arranged close to a distal end of cartridge 37. The support 100 includes a fastener, such as a fastener shaped in T 104, which can be fixed to the hole 106 defined in a corresponding distal end of the anvil 18. The hole 106 is dimensioned to receive the fastener 104. Fastener 104 includes the elongated portion 108 which is disposed adjacent to the outer top surface 110 of the cartridge 37 in the retracted position shown in Figure 7A. The end 112 of the support 100 is attached to the elongated portion 108. The end 112 extends through an opening (not shown) defined in the cartridge 37, the opening having a shape that corresponds to and is slightly larger than the end 112. This shape of the opening allows the holder 100 to be removed from the cartridge 37, as described below. Although it is shown that the elongated portion 108 has a width substantially similar to the width of the outer top surface 110, the width of the elongated portion 108, alternatively, may be greater or less than the outer top surface 110 of the cartridge 37.
    [0031] The intermediate portion 114 projects from the elongated portion 108 in the direction of arrow A towards the anvil 18. The triangular portion 116 projects from the intermediate portion 114 in the direction of arrow A. The walls of the corresponding distal end of the anvil 18 and particularly at a distal end of the anvil slit 42, as shown in figure 3A, define the orifice 106. The orifice 106 includes the first portion 118 sized for receiving the intermediate portion 114 and the second portion 120 sized for receiving of the triangular portion 116. The portions 114, 116 of the fastener 104 can be received in respective portions 118, 120, for example, in a press fit connection. Portions 114, 116 can be positioned in positions adjacent to respective portions 118, 120 and pressed into place on a snap fit connection to secure fastener 104 to anvil 18 through hole 106. Fastener 104 can comprise a variety of shapes and orifice 106 can comprise a variety of corresponding shapes sized to receive holder 104, so that holder 104 and hole 106 are operable to removably hold holder 104 to the anvil 18. To secure holder 104 to anvil 18, holder 104 can be propelled upwards towards anvil 18 in the direction of arrow A and stuck inside hole 106. Alternatively or additionally, anvil 18 can be directed down in the direction of arrow B towards the cartridge 37 to a position where fastener 104 can be secured within hole 106. For example, closing trigger 26 can be actuated before insertion of end actuator 1 2 in a trocar, in a manner as described above, so that the closing sleeve 32 moves longitudinally with respect to the cable portion 20 to close the anvil 18 towards the lower jaw 16 of the end actuator 12. After fixing at support 100, anvil 18 will be directed in the direction of arrow A towards an initial open position, as shown in figure 7B. As the anvil 18 is directed towards the initial open position 100, the support will unwind from cylinder 103 and will be moved or propelled upwards in the direction of arrow C. In particular, support end 112 100 is fixed to fastener 104, which provides a force on the support 100 when the fastener 104 is directed upwards in the direction of arrow B.
    [0032] Still with reference to figure 7B, when the support 100 is fixed to the anvil 18 by means of the fastener 104, the support 100 can receive a material, such as fabric 90. The fabric 90 can propel the support 100 proximally inward , in the direction of arrow D, towards a defined internal space between the cartridge 37 and the anvil 18 of the end actuator 12. As the support 100 is pushed in the direction of the arrow D, the support 100 will unwind from the cylinder 103 of so that a sufficient proportion of the support 100 is exposed from the retained portion of the support 100. The exposed portion can retain the fabric 90 which propels it proximally into the internal space. Additionally, cylinder 103 could be resiliently tensioned to retract, to reduce the inadvertent unwinding of support 100.
    [0033] In use, after the fastener 104 is attached to the anvil 18 and the fabric 90 pushes the support 100 in, the end actuator 12 will operate as described above to cut and staple the fabric 90 while additionally directing the clips 47 through the support 100 and cuts the portions of the support 100. The effect will be to arrange the portions of the support 100 in the tissue 90. The support 100 can be composed of a material that includes, for example, a hemostatic agent to aid in blood clotting and reduce bleeding at the stapled and / or cut surgical site along the tissue90. Additionally or alternatively, backing 100 may comprise a biodegradable polymer operable to assist in tissue repair as described below. The support material 100 cut by the firing bar 14 can be deposited on the tissue 90. Additionally, when the surgical clamp 47 is directed on the tissue by a surgical instrument, such as through an instrument 10 as shown above, the surgical clamp 47 will compress , will connect and retain that tissue as shown in figure 10. The backing material 100 will contact the compressed tissue and release into the tissue to assist tissue repair, reducing the amount of bleeding at the surgical site. In addition or alternatively, the support 100 can provide reinforcement to the integrity of the mechanical fixation of the tissue 90 using clips 47. The surgical clip 47 can comprise a material selected from iron, titanium nickel alloy, stainless steel and / or titanium. Obviously, any suitable materials can be used.
    [0034] Support material 100 may comprise, for example, adjunct or hemostatic agents such as fibrin or thrombin that assist in blood clotting and reduce the amount of bleeding at the surgical site. The hemostatic capabilities of these auxiliary compounds can also contribute to the use of these auxiliary compounds as adhesives and sealants. The agents can help to clot blood at the surgical site, which allows the tissue surrounding the blood to remain joined and can prevent leaks along the stapled tissue site, for example.
    [0035] These adjuncts or reagents may additionally include, but are not limited to, medical fluid or supporting components. Preferred materials are synthetic absorbable polymers or genetically modified or natural absorbable polymers or mixtures thereof. Examples of natural or genetically modified polymers are proteins, polysaccharides and combinations thereof. Proteins include, prothrombin, thrombin, fibrinogen, fibrin, fibrinectin, heparinase, factor X / Xa, factor VII / VIa, factor IX / IXa, factor XI / XIa, factor XII / XIIa, tissue factor, batroxobin, ancrod , ecarina, von Willebrand factor, collagen, elastin, albumin, gelatin, platelet surface glycoproteins, vasopressin, vasopressin analogues, epinephrine, selectin, procoagulant poison, plasminogen activator inhibitor, activating agents of platelets, synthetic peptides that have hemostatic activity and / or combinations thereof. Polysaccharides include, but are not limited to, cellulose, alkyl cellulose, for example, methyl cellulose, alkyl hydroxy alkyl cellulose, hydroxy alkyl cellulose, cellulose sulfate, methyl cellulose carboxy salts, methyl cellulose carboxy, ethyl cellulose carboxy, chitin, carboxy methyl chitin, hyaluronic acid, salts of hyaluronic acid, alginate, alginic acid, propylene glycol alginate, glycogen, dextran, dextran sulphate, curdlan, pectin, pullulan, xanthan, chondroitin, chondroitin sulphates, methoxy sulphate dextran, carboxy methyl chitosan, chitosan, heparin, heparin sulfate, heparan, heparan sulfate, dermatan sulfate, keratan sulfate, carrageenans, chitosan, starch, amylose, amylopectin, poly-N-glucosamine, polymanuronic acid , polyglucuronic acid, polygururonic acid, and derivatives of any of these. Examples of synthetic absorbable polymers are polymers of aliphatic polyester, copolymers, and / or combinations thereof. Aliphatic polyesters are typically synthesized in a ring-opening polymerization of monomers including, but not limited to, lactic acid, lactide (including L-, D-, meso and D, L mixtures thereof), glycolic glycolide acid , ε-caprolactone, p-dioxanone (1,4-dioxan-2-one) and trimethylene carbonate (1,3-dioxan-2-one). Other suitable compounds, materials, substances, etc., which can be used in a medical fluid or support will be apparent to those skilled in the art in view of the teachings in this document.
    [0036] In some versions, a medical fluid may be suspended in a biocompatible vehicle to form support material 100. Suitable vehicles may include, for example, a physiological buffer solution, a high flow gel solution, saline, and water. In the case of gel solutions, the tissue repair composition may be in a high-flow gel form prior to release to the target site, or it may form a gel and remain in place after release to the target site. High-flow gel solutions may comprise one or more gelling materials with or without the addition of water, saline, or physiological buffer solution. Suitable gelling materials include biological and synthetic materials. Gelling materials include proteins, polysaccharides, polynucleotides and other materials such as alginate, crosslinked alginate, poly (N-isopropyl acrylamide), poly (oxyalkylene), copolymers of poly (ethylene oxide) -poly (propylene oxide), poly (vinyl alcohol), polyacrylate, or monostearoyl glycerol cossuccinate / polyethylene glycol (MGSA / PEG) copolymers and combinations of any of the foregoing.
    [0037] Support 100 may comprise a fibrous block, foam, matrix, mesh, or other structure, in accordance with the teachings of, by way of example, Patent Application Publication under US No. 2009/0120994, entitled "Surgical Fastening Device with Initiator Impregnation of a Matrix or Buttress to Improve Adhesive Application", published on May 14, 2009, the description of which is incorporated by reference in this document. The material can comprise, for example, a biocompatible material that is a surgical plate, a matrix with a plurality of openings, an open cell foam, a closed cell foam and / or a tissue dressing. The material can include porosities that induce a capillary absorption feature to extract adhesive from the material and ensure that the openings remain free of adhesive, allowing tissue growth through the openings after application to the fabric. Other suitable materials and compositions that can be used to form the support 100 will be apparent to those of ordinary skill in the art in view of the teachings in this document. Another self-dispensing support, complete with an example cartridge
    [0038] Figure 8 shows another example self-dispensing support 122 integral to cartridge 37. Figure 8 shows a support 122 in a position where support 100 was attached to anvil 18. Support 122 can be attached to anvil 18 in a manner similar to that described for fixing the support 100 to the anvil 18.
    [0039] The support 122 is disposed within the body of the cartridge 37, between the top surface 124 of the cartridge 37 and the bottom cartridge drum 102 of the cartridge 37. Instead of being stored in a cylinder inside the cartridge 37, the support 122 is stored in a substantially flat shape and substantially parallel to the cartridge drum 102. Support 122 can be arranged below clamps 47, actuators 43 and wedge support 41 which are contained without cartridge housing 37. Support 122 can have a width that matches or is slightly less than the width of the cartridge drum 102. Alternatively, the cartridge drum 102 can be modified to include internal walls configured to retain a length of the support 122 and support 122 can then have a width that corresponds to or is slightly greater than the width of the inner walls. The support 122 can also be arranged below the cartridge drum 102. The cartridge drum 102 can include, for example, internal walls configured to retain a length of the support 122 to retain the support 122 while allowing the portions of support 122 move longitudinally, for example, in the direction of arrow E of figure 8. It should be understood that, in the present example, the free end 123 of support 122 can move freely within or below cartridge drum 102.
    [0040] A portion of the support 122 is received and pushed through the opening 128 defined within the top surface 124 at a distal end of the cartridge 37. In particular, after attachment to the support 122, the anvil 18 will be directed in the direction of the arrow And towards an open position, as shown in figure 8. As anvil 18 is directed towards the initial open position, the support 122 will be pushed distally and linearly in the direction of arrow F and be pushed upwards in the direction of arrow E In particular, one end of the support 120 is attached to a fastener, as the end 112 of the support 100 is attached to the fastener 104, described above. Similarly, a force is provided on the support 122 when the attached fastener is directed upwards in the direction of arrow E.
    [0041] As described above in relation to support 100, support 122 can receive a material, such as fabric 90. Support 122 can operate in a similar way to support 100 to extend over fabric 90 and have exposed portions of the support 122 driven by clamps 47 and / or firing bar 14 on the fabric portions 90. An integral exemplifying self-dispensing support with a lower gripper
    [0042] Figure 9 shows another example self-dispensing support 130 in a position where support 130 was fixed to anvil 18. Support 130 can be fixed to anvil 18 in a similar way to that described above to fix supports 100, 122 to the anvil 18. The support 130 is disposed between the cartridge drum 102 and the lower jaw 16 of the end actuator 12. The lower jaw 16, as described above, is configured to receive the cartridge 37. The lower jaw 16 can be configured to accommodate a removable and replaced length of support 130.
    [0043] Instead of being stored in a cylinder inside the cartridge 37, the support 122 is stored substantially flat along the surface 126 of the lower jaw 16 disposed opposite the cartridge drum 102 when cartridge 37 is received within the lower jaw 16. Support 122 may have a width that matches or is slightly less than the width of the lower jaw 16. Alternatively, the lower jaw may be modified to include internal walls configured to retain a length of the support 130, so that the support 130 can have a width that corresponds to or is slightly less than the width of the inner walls.
    [0044] When the cartridge 37 is received inside the lower jaw 16 and at the top of the support 130, there is sufficient space so that the support 130 can be pulled distally or linearly in the direction of the arrow G to be pushed around the end distal 132 of the cartridge 37. The fabric 90 wrapped by the support 130 moves proximally in the direction of the arrow H in a similar manner to that described above for the supports 100, 122, as the open end actuator 12 is advanced over the fabric 90 to "bite" the fabric 90.
    [0045] As described above in relation to support 100 and as shown in figure 10, support 130 can receive a material, such as fabric 90. Support 122 can operate in a similar manner to support 100 to extend over the fabric 90 and have exposed portions of the support 130 activated with staples 47 and / or firing bar 14 in the fabric 90 portions.
    [0046] Figure 11 shows an example of using end actuator 12 to apply one of the exemplary supports 100, 122, 130 described in the present document on fabric 90 to deposit the fabric repair composition 132 on fabric 90. After such application, as described above, the tissue repair composition 132 and released by the respective support 100, 122, 130 substantially surrounds and is coated on the clips 47 which compress the tissue layers 90.
    [0047] It must be understood that any one or more of the teachings, expressions, modalities, examples, etc. described here can be combined with any one or more of the other teachings, expressions, modalities, examples, etc. that are described here. The teachings, expressions, modalities, examples, etc. described below should not be seen in isolation from each other. Various suitable ways in which the teachings of the present invention can be combined will be readily apparent to those skilled in the art in view of the teachings of the present invention. These modifications and variations are intended to be included in the scope of the embodiments.
    [0048] Versions of the devices described above may have application in conventional medical treatments and procedures conducted by a medical professional, as well as application in medical treatments and procedures assisted by robotics.
    [0049] Versions of the above can be designed to be discarded after a single use, or they can be designed for use multiple times. The versions can, in either or both cases, be reconditioned for reuse after at least one use. Reconditioning can include any combination of steps to disassemble the device, followed by cleaning or replacing particular parts, and subsequent reassembly. In particular, some versions of the device can be disassembled, in any number of particular parts or parts of the device can be selectively replaced or removed in any combination. With the cleaning and / or replacement of particular parts, some versions of the device can be reassembled for subsequent use in a reconditioning facility, or by a user immediately before a surgical procedure. Those skilled in the art will understand that the reconditioning of a device can use a variety of techniques for disassembly, cleaning / replacement, and reassembly. The use of such techniques, and the resulting refurbished device are all within the scope of the present application.
    [0050] Just as an example, the versions described here can be sterilized before and / or after a procedure. In a sterilization technique, the device is placed in a closed and sealed container, such as a plastic or TYVEK bag. The container and the device can then be placed in a radiation field, such as gamma radiation, X-rays or high-energy electrons, which can penetrate the container. Radiation can kill bacteria on the device and the container. The sterile device can then be stored in a sterile container for later use. The device can also be sterilized using any other known technique, including, but not limited to, beta or gamma radiation, ethylene oxide or water vapor.
    [0051] In view of the presentation and description of several versions in this disclosure, additional adaptations of the methods and systems described in this document can be made through appropriate modifications made by an element versed in the technique, without departing from the scope of the present invention. Several of these possible modifications have been mentioned, and others will be evident from the elements skilled in the art. For example, the examples, versions, geometry, materials, dimensions, proportions, steps and the like discussed above are illustrative only and are not mandatory. Consequently, the scope of the present invention must be considered in accordance with the terms of the embodiments and it is understood that it is not limited to the details of the structure and operation shown and described in the specification and drawings.
    权利要求:
    Claims (14)
    [0001]
    1. Surgical instrument (10) comprising: a portion of handle (20); a rod (23) housing a firing bar (14); an end actuator (12) comprising an anvil (18), a lower claw (16) and a stapling and separation assembly responsive to a longitudinal closing movement produced by the cable portion (20) and the rod (23); a removable cartridge (37), the lower jaw (16) being configured to receive a cartridge (37) when the end actuator (12) is in an open configuration, the cartridge (37) comprising: a housing, a plurality of clips (47) arranged in the housing, and a platform (70) arranged on the plurality of clips (47), the platform (70) defining openings (51), each opening (51) being substantially arranged on each clamp (47); and a mobile support (100); characterized by the fact that the mobile support (100) is stored inside the cartridge housing (37) or stored inside the lower jaw (16) of the end actuator (12), the support (100, 122) being mobile in in relation to the cartridge (37) and in relation to the end actuator (12) to dispense the support material so that an exposed part of the support (100, 122) is available for receiving fabric (90).
    [0002]
    2. Surgical instrument (10), according to claim 1, characterized by the fact that the support (100) is arranged in a cylinder (103) inside the cartridge housing (37).
    [0003]
    3. Surgical instrument (10) according to claim 2, characterized by the fact that the cylinder (103) is resiliently tensioned.
    [0004]
    4. Surgical instrument (10), according to claim 1, characterized by the fact that the support (122) is arranged in a substantially flat position inside the cartridge housing (37).
    [0005]
    5. Surgical instrument (10) according to claim 4, characterized by the fact that a free end (123) of the support (122) is configured to move freely within the cartridge housing (37).
    [0006]
    6. Surgical instrument (10) according to claim 1, characterized by the fact that the cartridge housing (37) comprises a cartridge drum (102), wherein the cho-cartridge drum (102) defines interior walls , in which the interior walls are configured to receive the support (122) in a flat position.
    [0007]
    7. Surgical instrument (10) according to claim 1, characterized by the fact that the cartridge housing (37) comprises a cartridge drum (102), in which the support (122) is arranged in a flat position in an outer surface on the underside of the cartridge drum (102).
    [0008]
    8. Surgical instrument (10) according to claim 1, characterized in that the cartridge housing (37) comprises a cartridge drum (102), wherein the underside of the cartridge drum (102) includes walls exterior, in which the exterior walls are configured to receive the support (122) in a flat position.
    [0009]
    9. Surgical instrument (10), according to claim 1, characterized by the fact that the support is disposed in a substantially flat position along an internal surface of the lower jaw (16) of the end actuator (12), in that the inner surface is configured to receive the removable cartridge (37).
    [0010]
    10. Surgical instrument (10), according to claim 1, characterized by the fact that the lower jaw (16) of the end actuator (12) comprises interior walls, in which the interior walls are configured to receive the cartridge removable (37), in which the interior walls are additionally configured to receive the support (122) in a flat position.
    [0011]
    11. Surgical instrument (10) according to claim 1, characterized in that one end (112) of the support (100) comprises a closure (104).
    [0012]
    12. Surgical instrument (10) according to claim 11, characterized by the fact that a distal end of the anvil (18) defines an orifice (106) configured to receive the closure (104) of the support (100).
    [0013]
    13. Surgical instrument (10), according to claim 1, characterized by the fact that the support (100, 122) comprises a biocompatible material selected from a group consisting of at least one of the following materials: glycolide of epsilon-caprolactone, bovine pericardium, polylactic acid, polyglycolic acid, polyglactin, polydioxanone, polygluconate, whey protein, cellulose gum, starch, gelatin, silk, nylon, polypropylene, braided polyester, polybutylene, polyethylene and polyethylene.
    [0014]
    14. Surgical instrument (10), according to claim 1, characterized by the fact that the support (100, 122) comprises one of fibrin or thrombin.
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    同族专利:
    公开号 | 公开日
    BR112014005922A2|2017-03-28|
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    CN103917173B|2017-03-15|
    RU2612515C2|2017-03-09|
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    EP2755569A1|2014-07-23|
    JP2014530667A|2014-11-20|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-10-29| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-09-15| B09A| Decision: intention to grant|
    2020-12-15| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/09/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/231,064|US9101359B2|2011-09-13|2011-09-13|Surgical staple cartridge with self-dispensing staple buttress|
    US13/231,064|2011-09-13|
    PCT/US2012/054388|WO2013039814A1|2011-09-13|2012-09-10|Surgical staple cartridge with self-dispensing staple buttress|
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