최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0535081 (2014-11-06) |
등록번호 | US-9844376 (2017-12-19) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 42 인용 특허 : 2625 |
A surgical stapling apparatus is disclosed which comprises cartridge body and a layer. The layer is implantable against tissue by staples deployed from the cartridge body and deformed by an anvil. The cartridge and the layer comprise co-operating features which reduce relative movement between the c
A surgical stapling apparatus is disclosed which comprises cartridge body and a layer. The layer is implantable against tissue by staples deployed from the cartridge body and deformed by an anvil. The cartridge and the layer comprise co-operating features which reduce relative movement between the cartridge and the layer. Such co-operating features can also releasably retain the layer to the cartridge body. In addition to or in lieu of the above, the anvil and the layer comprise co-operating features which reduce relative movement between the anvil and the layer. Such co-operating features can also releasably retain the layer to the anvil. In certain instances, the layer can be positioned against the anvil, but releasably attached to the cartridge. The layer can comprise buttress material and/or a tissue thickness compensator, for example.
1. A surgical stapling apparatus for stapling tissue, comprising: a cartridge body, comprising: a proximal end;a distal end;a deck comprising a tissue-supporting surface; anda plurality of staple cavities;a plurality of staples removably stored in said staple cavities;a firing member movable between
1. A surgical stapling apparatus for stapling tissue, comprising: a cartridge body, comprising: a proximal end;a distal end;a deck comprising a tissue-supporting surface; anda plurality of staple cavities;a plurality of staples removably stored in said staple cavities;a firing member movable between a proximal position toward a distal position to eject said staples from said staple cavities;a layer positioned above said deck, wherein said staples are configured to implant said layer against the tissue when said staples are ejected from said staple cavities; anda layer retainer configured to releasably hold said layer to said deck, wherein said firing member is configured to engage said layer retainer and lift said layer retainer relative to said deck. 2. The surgical stapling apparatus of claim 1, wherein said layer retainer comprises a clip movable between a retaining position and a released position, wherein said deck comprises a clip slot, and wherein a portion of said layer is wedged between said clip and said clip slot when said clip is in said retaining position. 3. The surgical stapling apparatus of claim 1, wherein said layer retainer comprises a retainer lip, wherein said deck comprises a deck lip, and wherein said retainer lip and said deck lip releasably hold said layer therebetween. 4. The surgical stapling apparatus of claim 1, wherein said layer comprises a proximal portion and a distal portion, wherein said layer retainer is positioned at said distal end of said cartridge body and is configured to releasably hold said distal portion against said deck, wherein said proximal portion is wedged between said firing member and said cartridge body when said firing member is in said proximal position, and wherein said proximal portion is released when said firing member is moved toward said distal position. 5. The surgical stapling apparatus of claim 1, wherein said cartridge body comprises a longitudinal slot configured to receive a portion of said firing member therein, wherein said layer comprises a series of tabs aligned with and releasably wedged within said longitudinal slot, and wherein said firing member is configured to engage said tabs to progressively release said tabs from said longitudinal slot. 6. A surgical stapling apparatus for stapling tissue, comprising: a cartridge body, comprising: a proximal end;a distal end;a deck comprising a tissue-supporting surface; anda plurality of staple cavities;a plurality of staples removably stored in said staple cavities;a plurality of staple drivers comprising a proximal driver and a distal driver;a firing member movable from a proximal position toward a distal position to lift said staple drivers toward said deck to eject said staples from said staple cavities;a layer positioned above said deck, wherein said staples are configured to implant said layer against the tissue when said staples are ejected from said staple cavities; anda layer retainer configured to releasably hold said layer to said deck, wherein said distal driver is configured to retract said layer retainer relative to said deck. 7. The surgical stapling apparatus of claim 6, wherein said layer retainer comprises a pin movable between a retaining position and a released position, wherein said layer comprises a pin aperture, wherein said pin is positioned in said pin aperture when said layer retainer is in said retaining position, and wherein said pin is disengaged from said pin aperture when said layer retainer is in said released position. 8. The surgical stapling apparatus of claim 6, wherein said layer comprises a proximal portion and a distal portion, wherein said layer retainer is positioned at said distal end of said cartridge body and is configured to releasably hold said distal portion relative to said deck, wherein said proximal portion is wedged between said firing member and said cartridge body when said firing member is in said proximal position, and wherein said proximal portion is released when said firing member is moved toward said distal position. 9. The surgical stapling apparatus of claim 6, wherein said cartridge body comprises a longitudinal slot configured to receive a portion of said firing member therein, wherein said layer comprises a series of tabs aligned with and releasably wedged within said longitudinal slot, and wherein said firing member is configured to engage said tabs to progressively release said tabs from said longitudinal slot. 10. A surgical stapling apparatus for stapling tissue, comprising: a cartridge body, comprising: a proximal end;a distal end;a deck comprising a tissue-supporting surface;a plurality of staple cavities; anda longitudinal slot;a plurality of staples removably stored in said staple cavities;a firing member movable from a proximal position toward a distal position to eject said staples from said staple cavities, wherein a portion of said firing member is positioned within said longitudinal slot;a layer positioned above said deck, wherein said staples are configured to implant said layer against the tissue when said staples are ejected from said staple cavities; anda longitudinal series of layer retainers configured to releasably hold said layer to said deck, wherein said layer retainers are aligned with and releasably wedged within said longitudinal slot, and wherein said firing member is configured to engage said layer retainers to progressively release said layer retainers from said longitudinal slot. 11. The surgical stapling apparatus of claim 10, wherein said longitudinal slot comprises a first longitudinal sidewall and a second longitudinal sidewall, and wherein each said layer retainer comprises a tab releasably wedged between said first longitudinal sidewall and said second longitudinal sidewall. 12. The surgical stapling apparatus of claim 10, wherein said layer comprises an implantable body, and wherein said layer retainers are integrally formed with said implantable body. 13. The surgical stapling apparatus of claim 10, further comprising: a plurality of staple drivers configured to lift said staples toward said deck, wherein said staple drivers comprise a proximal staple driver and a distal staple driver; anda distal layer retainer configured to releasably hold said layer to said deck, wherein said distal staple driver is configured to retract said distal layer retainer relative to said deck. 14. The surgical stapling apparatus of claim 13, wherein said distal layer retainer comprises a pin movable between a retaining position and a released position, wherein said layer comprises a pin aperture, wherein said pin is positioned in said pin aperture when said distal layer retainer is in said retaining position, and wherein said pin is disengaged from said pin aperture when said distal layer retainer is in said released position. 15. The surgical stapling apparatus of claim 10, wherein said layer comprises a proximal portion and a distal portion, wherein said proximal portion is wedged between said firing member and said cartridge body when said firing member is in said proximal position, and wherein said proximal portion is released when said firing member is moved toward said distal position. 16. The surgical stapling apparatus of claim 10, further comprising a distal layer retainer configured to releasably hold said layer to said deck, wherein said firing member is configured to engage said distal layer retainer and lift said distal layer retainer relative to said deck. 17. The surgical stapling apparatus of claim 16, wherein said distal layer retainer comprises a clip movable between a retaining position and a released position, wherein said deck comprises a clip slot, and wherein a portion of said layer is wedged between said clip and said clip slot when said clip is in said retaining position. 18. The surgical stapling apparatus of claim 16, wherein said distal layer retainer comprises a retainer lip, wherein said deck comprises a deck lip, and wherein said retainer lip and said deck lip releasably hold said layer therebetween. 19. A surgical stapling apparatus for stapling tissue, comprising: a staple cartridge, comprising: a cartridge body, comprising: a proximal end;a distal end;a longitudinal slot comprising a first sidewall and a second sidewall;a deck comprising a tissue-supporting surface; anda plurality of staple cavities;a plurality of staples removably stored in said staple cavities; anda firing member movable from a proximal position toward a distal position to eject said staples from said staple cavities, wherein said longitudinal slot is configured to receive a portion of said firing member;an anvil configured to deform said staples; anda layer positioned against said anvil, wherein said staples are configured to implant said layer against the tissue when said staples are ejected from said staple cavities, wherein said layer comprises a layer retainer positioned intermediate said firing member and said first sidewall when said firing member is in said proximal position, and wherein said layer retainer is released when said firing member is moved toward said distal position. 20. The surgical stapling apparatus of claim 19, wherein said anvil includes a longitudinal anvil slot configured to receive a portion of said firing member, wherein said layer further comprises a longitudinal series of anvil layer retainers configured to releasably hold said layer to said anvil, wherein said anvil layer retainers are aligned with and releasably wedged within said longitudinal anvil slot, and wherein said firing member is configured to engage said anvil layer retainers to progressively release said anvil layer retainers from said longitudinal anvil slot. 21. The surgical stapling apparatus of claim 20, wherein said layer comprises a layer body, wherein said layer body comprises a body thickness, wherein each said anvil layer retainer comprises a dimple extending from said layer body, and wherein each said dimple comprises a dimple thickness which is thinner than said body thickness. 22. The surgical stapling apparatus of claim 20 wherein each said anvil layer retainer comprises a dimple, wherein at least one said dimple comprises a first dimple having a first dimple thickness, and wherein at least one said dimple comprises a second dimple having a second dimple thickness which is thinner than said first dimple thickness. 23. The surgical stapling apparatus of claim 22, wherein a distal-most dimple comprises a said first dimple, wherein a proximal-most dimple comprises a said first dimple, and wherein said second dimple is positioned intermediate said proximal-most dimple and said distal-most dimple. 24. The surgical stapling apparatus of claim 22, wherein said firing member comprises a cutting portion, and wherein said cutting portion is configured to incise said dimples when said firing member is moved from said proximal position toward said distal position. 25. The surgical stapling apparatus of claim 19, further comprising a cartridge layer releasably attached to said cartridge body by at least one cartridge layer retainer. 26. The surgical stapling apparatus of claim 25, wherein said at least one cartridge layer retainer comprises a longitudinal series of cartridge layer retainers configured to releasably hold said cartridge layer to said cartridge body, wherein said cartridge layer retainers are aligned with and releasably wedged within said longitudinal slot, and wherein said firing member is configured to engage said cartridge layer retainers to progressively release said cartridge layer retainers from said longitudinal slot. 27. The surgical stapling apparatus of claim 26, wherein said firing member comprises a first cam configured to engage said anvil and a second cam configured to engage said staple cartridge, wherein said first cam is configured to progressively release anvil layer retainers from an anvil longitudinal slot, and wherein said second cam is configured to progressively release said cartridge layer retainers from said longitudinal slot of said cartridge body. 28. The surgical stapling apparatus of claim 27, wherein said first cam and said second cam are configured to control a tissue gap between said anvil and said staple cartridge. 29. The surgical stapling apparatus of claim 25, wherein said at least one cartridge layer retainer comprises a layer retainer positioned at said distal end.
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