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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0225866 (2011-09-06) |
| 등록번호 | US-8833632 (2014-09-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 376 인용 특허 : 716 |
A surgical stapling instrument can comprise a jaw configured to receive a staple cartridge, a firing member configured to eject staples from the staple cartridge, and a system for supplying a continuous number of staple cartridges to the jaw. The surgical stapling instrument can further comprise a s
A surgical stapling instrument can comprise a jaw configured to receive a staple cartridge, a firing member configured to eject staples from the staple cartridge, and a system for supplying a continuous number of staple cartridges to the jaw. The surgical stapling instrument can further comprise a system for displacing the firing member into a position in which a staple cartridge can be slid relative to the firing member. In at least one such embodiment, the surgical stapling instrument can comprise a shaft and a plurality of staple cartridges positioned within the shaft, wherein the firing member can be dropped downwardly within the shaft such that one or more staple cartridges can be slid by the firing member.
1. A surgical stapling instrument, comprising: a shaft, wherein said shaft comprises a displacing cam;a plurality of staple cartridges positioned within said shaft, wherein each said staple cartridge comprises: a cartridge body comprising a plurality of apertures; anda plurality of staples each comp
1. A surgical stapling instrument, comprising: a shaft, wherein said shaft comprises a displacing cam;a plurality of staple cartridges positioned within said shaft, wherein each said staple cartridge comprises: a cartridge body comprising a plurality of apertures; anda plurality of staples each comprising at least one staple leg positioned in a said aperture, wherein said staple legs are slidable within said apertures;a trigger;a firing member;a first jaw comprising a channel configured to receive a said staple cartridge, wherein said first jaw comprises a plurality of staple drivers positioned within said channel, and wherein said firing member is configured to engage said staple drivers and move said staples between a first position and a second position;a second jaw comprising an anvil, wherein said staple legs are configured to contact said anvil when said staples are driven into said second position;a cartridge driver configured to sequentially advance said staple cartridges into said channel; andwherein said firing member is operably coupled with said trigger such that a firing motion can be transferred from said trigger to said firing member to move said firing member along a firing path, wherein said firing path comprises: a proximal position in which said firing member is in contact with said displacing cam and is displaced in a transverse direction with respect to said firing path, wherein a said staple cartridge can slide past said firing member when said firing member is displaced in said transverse direction;a plurality of firing positions in which said firing member is in contact with said staple drivers; anda distal position. 2. The surgical stapling instrument of claim 1, wherein said displacing cam comprises a declined surface, and wherein said firing member is configured to contact and slide relative to said declined surface. 3. The surgical stapling instrument of claim 2, wherein said firing member further comprises a cam-following surface configured to engage said declined surface of said displacing cam. 4. The surgical stapling instrument of claim 1, wherein said shaft further comprises a support rail comprising a support surface, wherein said cartridge bodies are configured to slide on said support surface, and wherein said firing member is configured to be displaced below said support surface when said firing member is displaced in said transverse direction. 5. The surgical stapling instrument of claim 1, wherein said firing member further comprises a cutting member, wherein said cutting member comprises a first portion configured to engage said first jaw and a second portion configured to engage said second jaw, wherein said shaft comprises a support rail comprising a support surface, wherein said cartridge bodies are configured to slide on said support surface, and wherein said second portion is configured to be displaced below said support surface when said firing member is displaced in said transverse direction. 6. The surgical stapling instrument of claim 5, further comprising a recess in said support surface, wherein said second portion is configured to be seated in said recess when said firing member is displaced in said transverse direction. 7. The surgical stapling instrument of claim 5, wherein said firing member comprises a firing shaft, and wherein said cutting member is integrally formed with said firing shaft. 8. A surgical stapling instrument assembly, comprising: a shaft, comprising: a removable magazine; anda displacing cam;a plurality of staple cartridges positioned within said magazine, wherein each said staple cartridge comprises: a cartridge body comprising a plurality of apertures; anda plurality of staples each comprising a staple leg positioned in a said aperture, wherein said staple legs are slidable within said apertures;a first jaw comprising a channel configured to receive a said staple cartridge;a second jaw comprising an anvil, wherein said staple legs are configured to contact said anvil;a cartridge driver configured to sequentially advance said staple cartridges into said channel; anda firing member configured to be moved along a firing path, wherein said firing path comprises: a proximal position in which said firing member is in contact with said displacing cam and is displaced in a transverse direction with respect to said firing path, wherein a said staple cartridge can slide past said firing member when said firing member is displaced in said transverse direction; anda plurality of firing positions in which said firing member drives said staples against said anvil. 9. The surgical stapling instrument assembly of claim 8, wherein said displacing cam comprises a declined surface, and wherein said firing member is configured to contact and slide relative to said declined surface. 10. The surgical stapling instrument assembly of claim 9, wherein said firing member further comprises a cam-following surface configured to engage said declined surface of said displacing cam. 11. The surgical stapling instrument assembly of claim 8, wherein said shaft further comprises a support rail comprising a support surface, wherein said cartridge bodies are configured to slide on said support surface, and wherein said firing member is configured to be displaced below said support surface when said firing member is displaced in said transverse direction. 12. The surgical stapling instrument assembly of claim 8, wherein said firing member further comprises a cutting member, wherein said cutting member comprises a first portion configured to engage said first jaw and a second portion configured to engage said second jaw, wherein said shaft comprises a support rail comprising a support surface, wherein said cartridge bodies are configured to slide on said support surface, and wherein said second portion is configured to be displaced below said support surface when said firing member is displaced in said transverse direction. 13. The surgical stapling instrument assembly of claim 12, further comprising a recess in said support surface, wherein said second portion is configured to be seated in said recess when said firing member is displaced in said transverse direction. 14. The surgical stapling instrument assembly of claim 12, wherein said firing member comprises a firing shaft, and wherein said cutting member is integrally formed with said firing shaft. 15. A surgical stapling instrument, comprising: a shaft comprising a frame;a plurality of staple cartridges positioned within said shaft, wherein each said staple cartridge comprises: a cartridge body comprising a plurality of apertures; anda plurality of staples each comprising a staple leg positioned in a said aperture, wherein said staple legs are slidable within said apertures;a first jaw comprising a channel configured to receive a said staple cartridge;a second jaw comprising an anvil, wherein said staple legs are configured to contact said anvil;a cartridge driver configured to sequentially advance said staple cartridges into said channel; anda firing member configured to be moved along a firing path, wherein said firing path comprises: a proximal position in which said firing member is in contact with said frame and is displaced downwardly with respect to said firing path, wherein a said staple cartridge can slide past said firing member when said firing member is displaced in said downward direction; anda plurality of firing positions in which said firing member drives said staples against said anvil. 16. The surgical stapling instrument of claim 15, wherein said frame comprises a declined surface, and wherein said firing member is configured to contact and slide relative to said declined surface. 17. The surgical stapling instrument of claim 16, wherein said firing member further comprises a cam-following surface configured to engage said declined surface of said frame. 18. The surgical stapling instrument of claim 15, wherein said shaft further comprises a support rail comprising a support surface, wherein said cartridge bodies are configured to slide on said support surface, and wherein said firing member is configured to be displaced below said support surface when said firing member is displaced in said transverse direction. 19. The surgical stapling instrument of claim 15, wherein said firing member further comprises a cutting member, wherein said cutting member comprises a first portion configured to engage said first jaw and a second portion configured to engage said second jaw, wherein said shaft comprises a support rail comprising a support surface, wherein said cartridge bodies are configured to slide on said support surface, and wherein said second portion is configured to be displaced below said support surface when said firing member is displaced in said transverse direction. 20. The surgical stapling instrument of claim 19, further comprising a recess in said support surface, wherein said second portion is configured to be seated in said recess when said firing member is displaced in said transverse direction. 21. The surgical stapling instrument of claim 19, wherein said firing member comprises a firing shaft, and wherein said cutting member is integrally formed with said firing shaft.
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