Surgical Stapling Apparatus Including Buttress Attachment

• US 20140131418A1
• Filed: 11/09/2012
• Published: 05/15/2014
• Est. Priority Date: 11/09/2012
• Status: Abandoned Application

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Kostrzewski, Stanislaw
• Application Number:
  US13/673,135
• Publication Number:
  US 20140131418A1
• Time in Patent Office: Days
• US Class Current: 227/176.1
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/07292 Reinforcements for staple line, e.g. pledgets
• CPC Class Codes: A61B 17/32 Surgical cutting instruments A61B18/042 takes precedence; suture cutters A61B17/0467; instruments for ligaturing or cutting A61B17/128; instruments for rupturing the amniotic membrane A61B17/4208; specially adapted knives for eye surgery A61F9/0133
• CPC Class Codes: A61B 2017/07257 characterised by its anvil
• CPC Class Codes: A61B 2017/07271 characterised by its cartridge
• CPC Class Codes: A61B 2017/07285 characterised by its cutter

Abstract

A surgical stapling apparatus, a surgical stapling loading unit and a staple cartridge assembly are provided including a buttress releasably disposed against a tissue contacting surface of a cartridge assembly and/or an anvil assembly, a continuous length of suture securing a respective surgical buttress against the respective the tissue contacting surface, wherein the suture extends transversely across the respective surgical buttress, and a retaining feature securing each suture to the respective cartridge assembly and anvil assembly. The retaining feature may include an adhesive adhering the suture to a surface of the cartridge assembly and/or anvil assembly. The adhesive may adheres the suture to multiple locations along the surface of the cartridge assembly and/or anvil assembly.

Claims

1. A surgical stapling apparatus including a first jaw and a second jaw movable relative to one another to perform a surgical stapling operation whereby staples are fired into target tissue, the surgical stapling apparatus comprising:

a housing;

a handle supported by the housing;

an elongated body extending distally from the housing and having a distal end adapted to releasably engage a loading unit; and

a loading unit supportable on a distal end of the housing, the loading unit including;

a cartridge assembly supportable on one of the first jaw and the second jaw, the cartridge assembly having a tissue contacting surface defining a longitudinally extending elongate slot and a plurality of staple retaining slots formed therein, wherein the cartridge assembly includes a surgical staple loaded into each staple retaining slot;

an anvil assembly supported on another of the first jaw and the second jaw, the anvil assembly including an anvil plate having a tissue contacting surface defining a longitudinally extending elongate slot and a plurality of staple forming pockets;

a surgical buttress releasably disposed against at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly, each surgical buttress including a body portion configured and dimensioned to overlie the plurality of staple retaining slots and the plurality of staple forming pockets of the respective cartridge assembly and anvil assembly, the body portion defining a distal edge and a proximal edge;

a length of suture securing a respective surgical buttress against the at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly, wherein the suture extends transversely across the respective surgical buttress; and

a retaining feature securing each suture to the respective cartridge assembly and anvil assembly.

2. The surgical stapling apparatus according to claim 1, wherein portions of the suture extend across both a distal portion and a proximal portion of each surgical buttress.

3. The surgical stapling apparatus according to claim 2, wherein portions of the suture extend across a rear surface of the respective cartridge assembly and anvil assembly.

4. The surgical stapling apparatus according to claim 3, wherein portions of the suture are threaded through the surgical buttress along opposed sides of the surgical buttress.

5. The surgical stapling apparatus according to claim 4, wherein the retaining feature includes an adhesive adhering the suture to a surface of the respective cartridge assembly and anvil assembly.

6. The surgical stapling apparatus according to claim 5, wherein the adhesive adheres the suture to multiple locations along the surface of the respective cartridge assembly and anvil assembly.

7. The surgical stapling apparatus according to claim 6, wherein the adhesive adheres a portion of the suture to the surface of the cartridge assembly at a location near the distal edge of the surgical buttress.

8. The surgical stapling apparatus according to claim 7, wherein the adhesive adheres a portion of the suture to the surface of the anvil assembly at a location near the proximal edge of the surgical buttress.

9. The surgical stapling apparatus according to claim 8, wherein each surgical buttress includes a tab extending from each side edge of the body portion, and an aperture formed in each tab, wherein the suture extends through each aperture.

10. The surgical stapling apparatus according to claim 4, wherein each of the cartridge assembly and anvil assembly includes a plurality of grooves formed in a side surface of the respective cartridge assembly and anvil assembly, wherein each groove is configured and dimensioned to receive a length of suture therein, and wherein grooves are formed near opposed distal side edges and opposed proximal side edges of the respective cartridge assembly and anvil assembly.

11. A surgical stapling loading unit including a first jaw and a second jaw movable relative to one another to perform a surgical stapling operation whereby staples are fired into target tissue, the loading unit comprising:

a cartridge assembly supportable on one of the first jaw and the second jaw, the cartridge assembly having a tissue contacting surface defining a longitudinally extending elongate slot and a plurality of staple retaining slots formed therein, wherein the cartridge assembly includes a surgical staple loaded into each staple retaining slot;

an anvil assembly supported on another of the first jaw and the second jaw, the anvil assembly including an anvil plate having a tissue contacting surface defining a longitudinally extending elongate slot and a plurality of staple forming pockets;

a surgical buttress releasably disposed against at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly, each surgical buttress including a body portion configured and dimensioned to overlie the plurality of staple retaining slots and the plurality of staple forming pockets of the respective cartridge assembly and anvil assembly, the body portion defining a distal edge and a proximal edge;

a length of suture securing a respective surgical buttress against the at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly, wherein the suture extends transversely across the respective surgical buttress; and

a retaining feature securing each suture to the respective cartridge assembly and anvil assembly.

12. The loading unit according to claim 11, wherein portions of the suture extend across both a distal portion and a proximal portion of each surgical buttress.

13. The loading unit according to claim 12, wherein portions of the suture extend across a rear surface of the respective cartridge assembly and anvil assembly.

14. The loading unit according to claim 13, wherein portions of the suture are threaded through the surgical buttress along opposed sides of the surgical buttress.

15. The loading unit according to claim 14, wherein the retaining feature includes an adhesive adhering the suture to a surface of the respective cartridge assembly and anvil assembly.

16. The loading unit according to claim 15, wherein the adhesive adheres the suture to multiple locations along the surface of the respective cartridge assembly and anvil assembly.

17. The loading unit according to claim 16, wherein the adhesive adheres a portion of the suture to the surface of the cartridge assembly at a location near the distal edge of the surgical buttress.

18. The loading unit according to claim 17, wherein the adhesive adheres a portion of the suture to the surface of the anvil assembly at a location near the proximal edge of the surgical buttress.

19. The loading unit according to claim 18, wherein each surgical buttress includes a tab extending from each side edge of the body portion, and an aperture formed in each tab, wherein the suture extends through each aperture.

20. The loading unit according to claim 14, wherein each of the cartridge assembly and anvil assembly includes a plurality of grooves formed in a side surface of the respective cartridge assembly and anvil assembly, wherein each groove is configured and dimensioned to receive a length of suture therein, and wherein grooves are formed near opposed distal side edges and opposed proximal side edges of the respective cartridge assembly and anvil assembly.

21. A surgical staple cartridge assembly configured for use with a surgical stapling apparatus, the staple cartridge assembly comprising:

a staple cartridge body defining;

a tissue contacting surface;

a central longitudinally extending knife slot formed in the cartridge body; and

a plurality of longitudinally extending rows of staple retaining pockets formed in the cartridge body;

a surgical staple loaded in each staple retaining slots;

a plurality of pushers slidably supported for vertical translation in the cartridge body and operatively associated with the surgical staples;

an actuation sled slidably supported in longitudinal translation in the cartridge body and operatively associated with the plurality of pushers;

a surgical buttress releasably disposed against the tissue contacting surface of the cartridge body, the surgical buttress including a body portion configured and dimensioned to overlie the plurality of staple retaining slots of the cartridge body, the body portion of the surgical buttress defining a distal edge and a proximal edge;

a length of suture securing the surgical buttress against the tissue contacting surface of the cartridge body, wherein the suture extends transversely across the surgical buttress, wherein portions of the continuous suture extend across both a distal portion and a proximal portion of each surgical buttress; and

a retaining feature securing the suture to the cartridge body, wherein the retaining feature includes an adhesive adhering the suture to a surface of the cartridge body.

22. The staple cartridge assembly according to claim 21, wherein portions of the suture extend across a rear surface of the cartridge body.

23. The staple cartridge assembly according to claim 21, wherein portions of the suture are threaded through the surgical buttress along opposed sides of the surgical buttress.

24. The staple cartridge assembly according to claim 23, wherein the adhesive adheres the suture to multiple locations along the surface of the cartridge body.

25. The staple cartridge assembly according to claim 24, wherein the adhesive adheres a portion of the suture to the surface of the cartridge body at a location near the distal edge of the surgical buttress.

26. The staple cartridge assembly according to claim 25, wherein the adhesive adheres a portion of the suture to the surface of the cartridge body at a location near the proximal edge of the surgical buttress.

27. The staple cartridge assembly according to claim 26, wherein the surgical buttress includes a tab extending from each side edge of the body portion, and an aperture formed in each tab, wherein the suture extends through each aperture.