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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-0020263 (2011-02-03) |
등록번호 | US-8636187 (2014-01-28) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 409 인용 특허 : 1214 |
A surgical stapling device that comprises an end effector. According to various embodiments, the end effector comprises a circular anvil having a staple forming surface and a plurality of staples facing the staple forming surface of the anvil. The end effector also comprises a staple driver assembly
A surgical stapling device that comprises an end effector. According to various embodiments, the end effector comprises a circular anvil having a staple forming surface and a plurality of staples facing the staple forming surface of the anvil. The end effector also comprises a staple driver assembly comprising a plurality of staple drivers. Each staple driver supports one of the plurality of staples and is configured such that, when the staple driver assembly is actuated, each staple driver drives the staple into the staple forming surface of the anvil. A first quantity of the plurality of staple drivers has a first height and a second quantity of the plurality of staple drivers has a second height, wherein the first height is less than the second height.
1. A surgical stapling system comprising: an elongated shaft assembly configured to transmit actuation motions from an actuator; andan end effector operably coupled to said elongated shaft assembly, said end effector comprising: an anvil having a staple forming surface thereon; anda staple cartridge
1. A surgical stapling system comprising: an elongated shaft assembly configured to transmit actuation motions from an actuator; andan end effector operably coupled to said elongated shaft assembly, said end effector comprising: an anvil having a staple forming surface thereon; anda staple cartridge comprising: a cartridge body supported for confronting relationship with the anvil when the anvil is in a closed position;a plurality of first staple drivers movably supported within said cartridge body and being movable from an unactuated position to an actuated position upon application of firing motions thereto that are transmitted by the elongated shaft assembly, each said first staple driver defining a first staple support cradle therein for supporting a staple thereon, each said first staple support cradle located a first staple forming distance from a corresponding portion of the anvil; anda plurality of second staple drivers movably supported within said cartridge body and being laterally spaced from said first staple drivers, said at least one second staple driver being movable from another unactuated position to another actuated position upon application of said firing motions thereto, each said second staple driver defining a second staple support cradle therein for supporting another staple thereon that, when unformed, is substantially similar in size to said staple supported on said first staple support cradle, each said second staple support cradle located a second staple forming distance from another portion of the anvil that corresponds to the second staple support cradle and wherein said second staple forming distance differs in magnitude from said first staple forming distance. 2. The surgical stapling system of claim 1 wherein each said first staple driver supports at least two of said staples thereon. 3. The surgical stapling system of claim 2 wherein said first staple support cradle is in a primary driver portion of said first staple driver and wherein each said first staple driver further comprises a secondary driver portion attached to said primary driver portion and defining a secondary staple support cradle located a secondary staple forming distance from another corresponding portion of the anvil, said secondary support cradle supporting another one of said staples thereon. 4. The surgical stapling system of claim 3 wherein said secondary staple forming distance is substantially equal to said first staple forming distance. 5. The surgical stapling system of claim 3 wherein said secondary staple forming distance differs in magnitude from said first staple forming distance and said second staple forming distance. 6. The surgical stapling system of claim 1 wherein said plurality of first staple drivers is axially aligned in a first row of said first staple drivers and wherein said plurality of second staple drivers is aligned in a second row of said second staple drivers. 7. The surgical stapling system of claim 6 wherein said first staple forming distance of one of said first staple drivers in said first row of said first staple drivers differs in magnitude from said first staple forming distance of another one of said first staple drivers in said first row of said first staple drivers. 8. The surgical stapling system of claim 7 wherein said second staple forming distance of one of said second staple drivers in said second row of said second staple drivers differs in magnitude from said second staple forming distance of another one of said second staple drivers in said second row of said second staple drivers. 9. A surgical stapling system comprising: an elongated shaft assembly configured to transmit actuation motions from an actuator; andan end effector operably coupled to said elongated shaft assembly, said end effector comprising: an anvil having a staple forming surface thereon;a firing bar that is selectively actuatable upon receipt of a firing motion from said actuator; anda staple cartridge comprising: a cartridge body sized to be supported within the end effector, said cartridge body having a longitudinally extending slot therein for operably receiving the firing bar therein;a first plurality of inside staple drivers axially aligned in a first row of said inside staple drivers in a portion of said cartridge body adjacent a first side of said longitudinally extending slot and a second plurality of inside staple drivers axially aligned in a second row of said inside staple drivers in another portion of said cartridge body adjacent a second side of said longitudinally extending slot, said inside staple drivers movably supported within said cartridge body for selective movement toward the anvil, each said inside staple driver defining a first staple support cradle for supporting a staple thereon, each said first staple support cradle located a first staple forming distance from a corresponding portion of the anvil;a first plurality of outside staple drivers axially aligned in a first row of said outside staple drivers adjacent to said first row of said inside staple drivers and a second plurality of outside staple drivers axially aligned in a second row of said outside staple drivers and adjacent to said second row of said inside staple drivers, each of said outside staple drivers movably supported within said cartridge body for selective driving movement toward the anvil, each of said outside staple drivers defining a second staple support cradle for supporting another staple thereon that, when unformed, is substantially similar in size to said staple supported on said first staple support cradle, each said second staple support cradle located a second staple forming distance from another corresponding portion of the anvil, said second staple forming distance differing in magnitude from said first staple forming distance; anda wedge sled supported within said cartridge body for driving contact by the firing bar and actuating contact with said first and second pluralities of said inside staple drivers and said first and second pluralities of said outside staple drivers such that, as said firing bar moves within said longitudinally extending slot in said cartridge body in a first axial direction, said wedge sled drives each of said inside and outside staple drivers towards the anvil to bring the staples supported thereon into forming contact with the anvil. 10. The surgical stapling system of claim 9 wherein each of said inside staple drivers support two of said staples thereon. 11. The surgical stapling system of claim 10 wherein said two staples supported on at least one of said inside staple drivers are longitudinally offset from each other. 12. The surgical stapling system of claim 10 wherein said first staple support cradle is in a primary driver portion of said inside driver and wherein each said inside driver further comprises a secondary driver portion attached to said primary driver portion, said secondary driver portion defining a secondary staple support cradle therein that is located a secondary staple forming distance from another corresponding portion of the anvil, each said secondary staple support cradle supporting one of said staples thereon. 13. The surgical stapling system of claim 12 wherein said secondary staple forming distance is substantially equal to said first staple forming distance. 14. The surgical stapling system of claim 12 wherein said secondary staple forming distance differs in magnitude from said first staple forming distance and said second staple forming distance. 15. The surgical stapling system of claim 9 wherein said second staple forming distance of at least one of said outside staple drivers in said first row of said first outside staple drivers differs in magnitude from said second staple forming distance of at least one other said outside staple driver in said first row of said outside staple drivers. 16. The surgical stapling system of claim 15 wherein said second staple forming distance of at least one of said outside staple drivers in said second row of said outside staple drivers differs in magnitude from said second staple forming distance of at least one other said outside staple driver in said second row of said outside staple drivers. 17. The surgical stapling system of claim 15 wherein said first staple forming distance of at least one of said inside staple drivers in said second row of said inside staple drivers differs in magnitude from said first staple forming distance of at least one other said inside staple driver in said second row of said inside staple drivers. 18. The surgical stapling system of claim 9 wherein said first staple forming distance of at least one of said first staple drivers in said first row of said inside staple drivers differs in magnitude from said first staple forming distance of at least one other said inside staple driver in said first row of said inside staple drivers. 19. A surgical stapling system comprising: an elongated shaft assembly configured to transmit actuation motions from an actuator; andan end effector operably coupled to said elongated shaft assembly, said end effector comprising: an anvil having a staple forming surface thereon and being configured to receive an open and closing actuation motions from the elongated shaft assembly;a firing bar that is selectively reciprocatable upon receipt of firing and retraction motions from said actuator; anda staple cartridge comprising: a cartridge body sized to be supported within the end effector, said cartridge body having a longitudinally extending slot therein for reciprocatingly receiving the firing bar therein;a plurality of first inside staple drivers axially aligned in a first row of said first inside staple drivers on a first side of said longitudinally extending slot, each of said first inside staple drivers movably supported within said cartridge body for selective movement toward the anvil when the anvil is in a closed position and supporting at least one staple thereon;a plurality of first outside staple drivers aligned in a first row of said first outside staple drivers on said first side of said longitudinally extending slot and adjacent to said first row of said first inside staple drivers, each of said first outside staple drivers movably supported within said cartridge body for selective driving movement toward the anvil when the anvil is in the closed position and supporting another one of said staples thereon; anda wedge sled supported within said cartridge body for contact with said firing bar, said wedge sled comprising: a first inside sled cam having a first maximum sled cam height measured from a bottom-most drive surface of said first inside cam to an upper-most portion of said first inside cam, said first inside sled cam oriented for sequential sliding actuating contact with said first inside staple drivers in said first row of said first inside staple drivers when said firing bar is axially advanced through said longitudinally extending slot in a first axial direction such that said first inside staple drivers are driven towards the anvil a first distance equal to said first maximum sled cam height; anda first outside sled cam having a second maximum sled cam height measured from a bottom-most drive surface of said first outside cam to an upper-most portion of said first outside cam, said second maximum sled cam height differing in magnitude from said first maximum sled cam height, said first outside sled cam oriented for sequential sliding actuating contact with said first outside staple drivers in said first row of said first outside staple drivers when said firing bar is advanced through said longitudinally extending slot in the first direction such that said first outside staple drivers are driven towards the anvil a second distance equal to said second maximum sled cam height. 20. The surgical stapling system of claim 19 further comprising: a plurality of second inside staple drivers aligned in a second row of said second inside staple drivers on a second side of said longitudinally extending slot, each of said second inside staple drivers movably supported with said cartridge body for selective driving movement towards the anvil when the anvil is in the closed position and supporting another one of said staples thereon; anda plurality of second outside staple drivers aligned in a second row of said second outside staple drivers on said second side of said longitudinally extending slot and adjacent to said second row of said second inside staple drivers, each of said second outside staple drivers movably supported within said cartridge body for driving movement towards the anvil when the anvil is in the closed position and supporting another one of said staples thereon and wherein said wedge sled further comprises: a second inside sled cam having a primary maximum sled cam height measured from a bottom-most drive surface of said second inside sled cam to an upper-most portion of said second inside sled cam, said second inside sled cam oriented for sequential sliding actuating contact with said second inside staple drivers in said second row of said second inside staple drivers when said firing bar is axially advanced through said longitudinally extending slot in the first direction such that said second inside staple drivers are driven towards the anvil a primary distance equal to said primary maximum sled cam height; anda second outside sled cam having a secondary maximum sled cam height measured from a bottom-most drive surface of said second outside sled cam to an upper-most portion of said second outside sled cam, said second outside sled cam oriented for sequential sliding actuating contact with said second outside staple drivers in said second row of said second outside staple drivers when said firing bar is axially advanced through said longitudinally extending slot in the first direction such that said second outside staple drivers are driven towards the anvil a secondary distance equal to said secondary maximum sled cam height.
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