Recessed Groove for Better Suture Retention

• US 20140131419A1
• Filed: 11/09/2012
• Published: 05/15/2014
• Est. Priority Date: 11/09/2012
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Bettuchi, Michael J.
• Granted Patent: US 9,192,384 B2
• Time in Patent Office: Days
• US Class Current: 227/176.1
• CPC Class Codes: A61B 17/07292 Reinforcements for staple line, e.g. pledgets
• CPC Class Codes: A61B 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 2017/07257 characterised by its anvil
• CPC Class Codes: A61B 2017/07271 characterised by its cartridge

Abstract

An end effector for use with a surgical stapler. The end effector comprising a staple cartridge having a tissue contacting surface having at least one recessed groove defined therein and an anvil plate having a tissue contacting surface having at least one recessed groove defined therein. A surgical buttress releasably disposed on the tissue contacting surfaces of each of the staple cartridge and the anvil plate. At least one suture is disposed within the at least one recessed groove of each of the staple cartridge and anvil plate and configured to retain the respective surgical buttress atop the respective tissue contacting surface.

Claims

1. An end effector for use with a surgical stapler, the end effector comprising:

a staple cartridge having a tissue contacting surface having at least one recessed groove defined therein;

an anvil plate having a tissue contacting surface having at least one recessed groove defined therein;

a surgical buttress releasably disposed on the tissue contacting surfaces of each of the staple cartridge and the anvil plate; and

at least one suture disposed within the at least one recessed groove of each of the staple cartridge and anvil plate and configured to retain the respective surgical buttress atop the respective tissue contacting surface.

2. The end effector of claim 1, wherein the at least one recessed groove of the staple cartridge extends from a first outer side edge to a second outer side edge of the staple cartridge, and the at least one recessed groove of the anvil plate extends from a first outer side edge to a second outer side edge of the anvil plate.

3. The end effector of claim 2, wherein a proximal recessed groove is positioned along a proximal portion of each of the staple cartridge and anvil plate, and a distal recessed groove is defined along a distal portion of each of the staple cartridge and the anvil plate.

4. The end effector of claim 3, wherein the staple cartridge and the anvil plate have a central longitudinal slot configured to enable a passage of a knife blade therethrough.

5. The end effector of claim 4, wherein the proximal recessed groove is positioned distally from a proximal end of the central longitudinal slot on each of the staple cartridge and anvil plate.

6. The end effector of claim 5, wherein the distal recessed groove is positioned proximally from a distal end of the central longitudinal slot on each of the staple cartridge and anvil plate.

7. The end effector of claim 5, wherein the distal recessed groove is positioned distally from a distal end of the central longitudinal slot on each of the staple cartridge and anvil plate.

8. A staple cartridge for use with a surgical stapling apparatus, the staple cartridge comprising:

a cartridge body including a tissue contacting surface defining a plurality of staple retaining slots and having at least one recessed groove defined therein;

a staple disposed within each staple retaining slot of the cartridge body;

a surgical buttress configured and dimensioned to substantially overlie at least a portion of the staple retaining slots of the cartridge body; and

at least one suture disposed within the at least one recessed groove of the cartridge body and configured to retain the surgical buttress atop the tissue contacting surface.

9. The staple cartridge claim 8, wherein the at least one recessed groove extends from a first outer side edge to a second outer side edge of the staple cartridge.

10. The staple cartridge of claim 9, wherein a proximal recessed groove is positioned along a proximal portion of each of the staple cartridge and a distal recessed groove is positioned along a distal portion of each of the staple cartridge.

11. The staple cartridge of claim 10, wherein the staple cartridge has a central longitudinal slot configured to enable a passage of a knife blade therethrough.

12. The staple cartridge of claim 11, wherein the proximal recessed groove is positioned distally from a proximal end of the central longitudinal slot on the staple cartridge.

13. The staple cartridge of claim 12, wherein the distal recessed groove is positioned proximally from a distal end of the central longitudinal slot on the staple cartridge.

14. A surgical stapling apparatus, comprising:

a housing;

an end effector being secured to the housing having a staple cartridge assembly having a tissue contacting surface and an anvil assembly having a tissue contacting surface, each of the tissue contacting surfaces of the staple cartridge assembly and the anvil assembly having at least one transversely extending recessed groove;

a surgical buttress configured and dimensioned to substantially overlie at least a portion of the tissue contacting surface of at least one of the staple cartridge assembly and anvil assembly; and

a suture disposed within the at least one recessed groove of each of the tissue contacting surfaces of the staple cartridge assembly and the anvil plate and configured to retain the respective surgical buttress atop the respective tissue contacting surface.

15. The surgical stapling apparatus of claim 14, wherein a proximal recessed groove is positioned along a proximal portion of each of the staple cartridge and anvil plate, and a distal recessed groove is positioned along a distal portion of each of the staple cartridge and the anvil plate.