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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0799357 (2013-03-13) |
| 등록번호 | US-9192380 (2015-11-24) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 316 인용 특허 : 197 |
A surgical stapling apparatus is provided including a cartridge assembly defining a tissue contacting surface; an anvil assembly defining a tissue contacting surface; and a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue
A surgical stapling apparatus is provided including a cartridge assembly defining a tissue contacting surface; an anvil assembly defining a tissue contacting surface; and a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly by at least one anchor. A loading unit is provided including a surgical buttress releasably secured to an anvil assembly and/or a staple cartridge secured thereto by at least one anchor, and a drive assembly including a knife blade, wherein movement of the drive assembly from a proximal position to a distal position results in the knife blade cutting the at least one anchor and freeing each surgical buttress from the anvil assembly and/or cartridge assembly.
1. A method of releasing a surgical buttress from a surgical stapling apparatus, the method comprising the steps of: providing a tool assembly including a cartridge assembly and an anvil assembly defining a longitudinal axis, at least one of the cartridge assembly and the anvil assembly being movabl
1. A method of releasing a surgical buttress from a surgical stapling apparatus, the method comprising the steps of: providing a tool assembly including a cartridge assembly and an anvil assembly defining a longitudinal axis, at least one of the cartridge assembly and the anvil assembly being movable in relation to the other of the cartridge assembly and the anvil assembly;providing a surgical buttress releasably secured to a tissue contacting surface of the anvil assembly, the surgical buttress secured to the anvil assembly by a first connecting member extending transversely across the surgical buttress, the anvil assembly configured to receive a portion of the first connecting member;providing a drive assembly slidably disposed through the tool assembly;providing a release mechanism operatively engaged with the drive assembly and configured to engage the first connecting member;moving the drive assembly along the longitudinal axis; andcontacting the release mechanism with the drive assembly such that the release mechanism severs the first connecting member by an actuation of the release mechanism along the longitudinal axis to release the surgical buttress from the anvil assembly. 2. The method of claim 1, wherein the step of providing a surgical buttress releasably secured to the tissue contacting surface of the anvil assembly includes providing a second connecting member to secure the surgical buttress at a location proximal of the first connecting member. 3. The method of claim 2, wherein the step of providing a drive assembly includes providing a distally oriented knife edge on the drive assembly. 4. The method of claim 3, wherein the step of moving the drive assembly along the longitudinal axis includes severing the second connecting member with the knife edge of the drive assembly. 5. The method of claim 2, wherein the step of providing a drive assembly includes providing a knife edge on the drive assembly that is orthogonally disposed with respect to the second connecting member. 6. The method of claim 1, wherein the step of providing a release mechanism includes providing a knife edge on the release mechanism. 7. The method of claim 6, wherein the step of providing a surgical buttress releasably secured to a tissue contacting surface of the anvil assembly includes the first connecting member including a portion extending through the tissue contacting surface of the anvil assembly. 8. The method of claim 7, wherein the step of moving the drive assembly along the longitudinal axis includes severing the portion of the first connecting member extending through the tissue contacting surface of the anvil assembly with the knife edge of the release mechanism. 9. The method of claim 1, wherein the step of providing a release mechanism includes providing the release mechanism laterally spaced away from the tissue contacting surface of the anvil assembly. 10. A method of releasing a surgical buttress from a surgical stapling apparatus, the method comprising the steps of: providing a tool assembly including a cartridge assembly defining a longitudinal axis and an anvil assembly, at least one of the cartridge assembly and the anvil assembly being movable in relation to the other of the cartridge assembly and the anvil assembly;providing a surgical buttress releasably secured to a tissue contacting surface of the cartridge assembly, the surgical buttress secured to the cartridge assembly by a first connecting member extending transversely across the surgical buttress, the cartridge assembly configured to receive a portion of the first connecting member;providing a drive assembly slidably disposed through the tool assembly;providing a release mechanism operatively engaged with the drive assembly and configured to engage the first connecting member;moving the drive assembly along the longitudinal axis; andcontacting the release mechanism with the drive assembly such that the release mechanism severs the first connecting member by an actuation of the release mechanism along the longitudinal axis to release the surgical buttress from the cartridge assembly. 11. The method of claim 10, wherein the step of providing a surgical buttress releasably secured to the tissue contacting surface of the cartridge assembly includes providing a second connecting member to secure the surgical buttress at a location proximal of the first connecting member. 12. The method of claim 11, wherein the step of providing a drive assembly includes providing a distally oriented knife edge on the drive assembly. 13. The method of claim 12, wherein the step of moving the drive assembly along the longitudinal axis includes severing the second connecting member with the knife edge of the drive assembly. 14. The method of claim 11, wherein the step of providing a drive assembly includes providing a knife edge on the drive assembly that is disposed orthogonally with respect to the second connecting member. 15. The method of claim 10, wherein the step of providing a release mechanism includes providing a knife edge on the release mechanism. 16. The method of claim 15, wherein the step of providing a surgical buttress releasably secured to a tissue contacting surface of the cartridge assembly includes the first connecting member including a portion extending through the tissue contacting surface of the cartridge assembly. 17. The method of claim 16, wherein the step of moving the drive assembly along the longitudinal axis includes severing the portion of the first connecting member extending through the tissue contacting surface of the cartridge assembly with the knife edge of the release mechanism. 18. The method of claim 15, wherein the step of providing a surgical buttress releasably secured to a tissue contacting surface of the cartridge assembly includes the first connecting member including a pair of portions extending through the tissue contacting surface. 19. The method of claim 18, wherein the step of providing a drive assembly includes providing a pair of laterally spaced knife edges on the release mechanism, each knife of the pair of laterally spaced knife edges being configured to engage a respective portion of the pair of portions of the connecting member extending through the tissue contacting surface upon distal advancement of the drive assembly. 20. The method of claim 10, wherein the step of providing a release mechanism includes providing the release mechanism laterally spaced away from the tissue contacting surface of the cartridge assembly.
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