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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0652164 (2007-01-11) |
| 등록번호 | US-8701958 (2014-04-22) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 391 인용 특허 : 265 |
The present invention includes a surgical stapler having a curved end-effector which is configured to deploy staples in at least one curved staple line. In various embodiments, the surgical stapler includes a staple cartridge, an anvil, and a cutting member having a cutting surface wherein the cutti
The present invention includes a surgical stapler having a curved end-effector which is configured to deploy staples in at least one curved staple line. In various embodiments, the surgical stapler includes a staple cartridge, an anvil, and a cutting member having a cutting surface wherein the cutting member is relatively movable with respect to the anvil and the staple cartridge. In one embodiment, the staple cartridge can be configured to deploy staples along different, non-parallel axes. As a result, the staples can be deployed in a significantly curved staple line. In various embodiments, the surgical stapler includes a flexible driver operably engaged with the cutting member to move the cutting member relative to the anvil and the staple cartridge. In these embodiments, the driver can include an elongate cross-section defined by a width and a height wherein its width is greater, and in some cases, substantially greater, than its height.
1. A surgical stapler, comprising: a staple cartridge configured to removably store at least a first staple and a second staple;an anvil configured to deform said first staple and said second staple, wherein said first staple is movable between a first position and a second position, wherein said fi
1. A surgical stapler, comprising: a staple cartridge configured to removably store at least a first staple and a second staple;an anvil configured to deform said first staple and said second staple, wherein said first staple is movable between a first position and a second position, wherein said first position and said second position define a first axis, wherein said second staple is movable between a first position and a second position, wherein said first position and said second position of said second staple define a second axis, and wherein said first axis and said second axis define an angle therebetween;a cutting member having a cutting edge;a staple driver configured to move said first staple along said first axis and said second staple along said second axis; anda flexible drive bar configured to move said staple driver and said cutting member along a curved path between said first axis and said second axis. 2. The surgical stapler of claim 1, wherein said angle is greater than 30 degrees. 3. The surgical stapler of claim 1, wherein said first axis is substantially perpendicular to said second axis. 4. The surgical stapler of claim 1, wherein said staple cartridge includes a curved deck surface configured to contact soft tissue, and wherein said first axis and said second axis are perpendicular to said deck surface. 5. The surgical stapler of claim 1, wherein said first staple and said second staple are part of a first row of staples, and wherein said staple cartridge includes at least two additional staples which comprise a second row of staples. 6. The surgical stapler of claim 5, wherein said first row and said second row are substantially parallel. 7. The surgical stapler of claim 1, wherein said drive bar has an elongate cross-section defined by a width and a height, wherein said width is greater than said height, and wherein said width defines an axis that is not parallel to said first axis or said second axis. 8. The surgical stapler of claim 7, wherein said drive bar is comprised of at least two materials bonded together. 9. The surgical stapler of claim 7, wherein said width axis is perpendicular to said first axis and said second axis. 10. A method for processing an instrument for surgery, comprising: obtaining the surgical stapler of claim 1;sterilizing said surgical stapler; andstoring said surgical stapler in a sterile container. 11. A surgical stapler for stapling tissue, comprising: a channel configured to receive a staple cartridge, the staple cartridge configured to removably store staples therein, the staple cartridge having a first surface defined by a first radius of curvature;an anvil configured to deform said staples, said anvil having a second surface defined by a second radius of curvature, wherein said first surface and said second surface are configured to releasably hold said tissue therebetween when said first surface and said second surface are placed in close opposition to each other;a cutting member having a cutting edge, wherein said cutting edge defines an axis, and wherein said cutting member is relatively movable with respect to said anvil and the staple cartridge; anda flexible driver operably engaged with said cutting member to move said cutting member relative to said anvil and the staple cartridge, wherein said driver has an elongate cross-section defined by a width and a height, wherein said width is greater than said height, and wherein said width defines an axis that is not parallel to said cutting edge axis. 12. The surgical stapler of claim 11, further comprising said staple cartridge. 13. The surgical stapler of claim 11, wherein said axis defined by said width is perpendicular to said cutting edge axis. 14. The surgical stapler of claim 11, wherein one of said anvil and the staple cartridge defines at least one slot configured to receive a portion of said driver and support said driver when it moves said cutting member relative to said anvil and the staple cartridge. 15. The surgical stapler of claim 11, wherein said staples include at least a first staple and a second staple, wherein said first staple is movable between a first position and a second position, wherein said first position and said second position define a first axis, wherein said second staple is movable between a first position and a second position, wherein said first position and said second position of said second staple define a second axis, and wherein said first axis and said second axis define an angle therebetween. 16. The surgical stapler of claim 15, wherein said angle is greater than 30 degrees. 17. A surgical stapler, comprising: a channel configured to receive a staple cartridge, the staple cartridge configured to removably store staples therein;an anvil configured to deform said staples;a cutting member having a cutting edge, wherein said cutting edge defines an axis, and wherein said cutting member is relatively movable with respect to said anvil and the staple cartridge; anda flexible drive bar operably engaged with said cutting member to move said cutting member relative to said anvil and the staple cartridge, said drive bar having a cross-section, said cross-section defining a first moment of inertia with respect to said cutting edge axis and a second moment of inertia with respect to an axis perpendicular to said cutting edge axis, wherein said first moment of inertia is greater than said second moment of inertia. 18. The surgical stapler of claim 17, wherein one of said anvil and the staple cartridge defines at least one slot configured to receive a portion of said drive bar and support said drive bar when it moves said cutting member relative to said anvil and the staple cartridge. 19. The surgical stapler of claim 17, wherein said staples include at least a first staple and a second staple, wherein said first staple is movable between a first position and a second position, wherein said first position and said second position define a first axis, wherein said second staple is movable between a first position and a second position, wherein said first position and said second position of said second staple define a second axis, and wherein said first axis and said second axis define an angle therebetween. 20. The surgical stapler of claim 19, wherein said angle is greater than 30 degrees. 21. A surgical stapler configured to be positioned within the thoracic cavity of a patient, the surgical stapler comprising: a staple cartridge configured to removably store at least a first staple and a second staple;a staple cartridge channel configured to receive said staple cartridge;an anvil configured to deform said first staple and said second staple, wherein said first staple is movable between a first position and a second position, wherein said first position and said second position define a first axis, wherein said second staple is movable between a first position and a second position, wherein said first position and said second position of said second staple define a second axis, wherein said first axis and said second axis define an angle therebetween; anda staple driver configured to move said first staple along said first axis and said second staple along said second axis;wherein one of said staple cartridge channel and said anvil is contoured and configured to be positioned intermediate the pulmonary artery and a sidewall of the thoracic cavity of a patient, and wherein said first axis and said second axis converge on a side of the pulmonary artery opposite the thoracic cavity sidewall.
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