Surgical stapling apparatus including buttress attachment via tabs

• US 8,967,448 B2
• Filed: 12/14/2011
• Issued: 03/03/2015
• Est. Priority Date: 12/14/2011
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Carter, Sally, Stevenson, Richard P.
• Primary Examiner(s): Smith, Scott A.
• Application Number:
  US13/325,501
• Publication Number:
  US 20130153634A1
• Time in Patent Office: 1,175 Days
• Field of Search: 227/19, 227/175.1, 227/176.1, 227/180.1, 606/139, 606/151, 606/153, 606/219
• 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 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/07292 Reinforcements for staple line, e.g. pledgets
• CPC Class Codes: A61B 17/105 Wound clamp magazines for packaging sharps A61B50/3001
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 2017/00477 Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/07214 Stapler heads
• CPC Class Codes: A61B 2017/07271 characterised by its cartridge

Abstract

An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge component, an anvil component, a buttress component and a fastening member. The staple cartridge component includes a plurality of surgical staples arranged in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp the organ sections between the staple cartridge and anvil components. The buttress components are configured and dimensioned to be positioned on a distal surface of the staple cartridge component and the proximal surface of the anvil component. In particular, the buttress component includes a buttress member and a plurality of circumferentially arranged tabs extending proximally from the buttress member. The fastening member is configured and dimensioned to engage the plurality of circumferentially arranged tabs to securely position the buttress component on the staple cartridge component.

Claims

1. An apparatus for joining two hollow organ sections with an annular array of surgical staples, the apparatus comprising:

a staple cartridge component including a plurality of surgical staples arranged in an annular array, the staple cartridge component including an outer wall defining a circumferential groove therein;

an anvil component movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp the organ sections between the staple cartridge and anvil components;

a buttress component configured and dimensioned to be positioned on a distal surface of the staple cartridge component, the buttress component including a buttress member and a plurality of circumferentially arranged tabs extending proximally from the buttress member, each tab having a length such that the tab extends across the circumferential groove of the staple cartridge component when the buttress member overlies a tissue facing surface of the staple cartridge component; and

a fastening member configured and dimensioned to engage the plurality of circumferentially arranged tabs into the circumferential groove of the staple cartridge component to securely position the buttress component on the staple cartridge component.

2. The apparatus according to claim 1, wherein the buttress member has an annular configuration, the buttress member concentrically disposed in a juxtaposed relation with the plurality of surgical staples.

3. The apparatus according to claim 1, wherein the fastening member is an annular ring configured and dimensioned to apply inward force to the plurality of circumferentially arranged tabs against the outer wall of the staple cartridge component.

4. The apparatus according to claim 1, wherein the fastening member is a suture tied around the plurality of circumferentially arranged tabs against the outer wall of the staple cartridge component.

5. The apparatus according to claim 1, wherein the fastening member is in registration with the circumferential groove.

6. The apparatus according to claim 1, further comprising a knife member concentrically arranged in the staple cartridge component and with the buttress member, the knife member movable relative to the staple cartridge component.

7. The apparatus according to claim 6, wherein the buttress member is configured to be disposed radially outward of the knife member.

8. The apparatus according to claim 1, wherein the plurality of circumferentially arranged tabs each define a line of weakening adjacent the buttress member to enable detachment of the buttress member from the plurality of tabs.