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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0058325 (1993-05-05) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 956 인용 특허 : 0 |
A surgical stapler comprising at least one cam having a cam surface, an arrangement for actuating the cam for a longitudinal firing movement of the cam surface, a cartridge having a plurality of staple drive members driven by the longitudinal movement of the cam surface, and a plurality of surgical
A surgical stapler comprising at least one cam having a cam surface, an arrangement for actuating the cam for a longitudinal firing movement of the cam surface, a cartridge having a plurality of staple drive members driven by the longitudinal movement of the cam surface, and a plurality of surgical staples respectively associated with the staple drive members for being fired by the longitudinal movement of the cam surface. In one embodiment of the present invention, the staple drive members include at least a pair of alternating first and second staple drive members, the first staple drive member including a laterally spaced pair of staple driving surfaces, the second staple drive member including a single staple driving surface. The first and second staple drive members are disposed such that the staple driving surfaces thereof are arranged in laterally spaced three rows. Alternate embodiments include drive members each having a pair of longitudinally aligned driving surfaces, and a third laterally offset driving surface, as well as a spine-like flexible drive element operatively positioned between the cam surface of the cam and the drive members.
A surgical stapler comprising: cam means having at least two cam surfaces; means for actuating said cam means for longitudinal firing movements of said cam surfaces; a staple cartridge having a plurality of staple drive members driven by the longitudinal movements of said cam surfaces; and a plurali
A surgical stapler comprising: cam means having at least two cam surfaces; means for actuating said cam means for longitudinal firing movements of said cam surfaces; a staple cartridge having a plurality of staple drive members driven by the longitudinal movements of said cam surfaces; and a plurality of surgical staples in said cartridge respectively associated with said drive members for being fired by the longitudinal movements of said cam surfaces, said staple drive members including single staple drive members and double staple drive members, said double staple drive members each having a first staple driving surface associated with a respective surgical staple, and a second staple driving surface associated with a respective surgical staple, said second staple driving surface being laterally spaced and longitudinally displaced from said first staple driving surface, said single staple drive members each having a single staple driving surface associated with said surgical staple, said single drive members being mounted for independent movement with respect to said double staple drive members, said single and double staple drive members being arranged in said longitudinal direction, so that said first and second staple driving surfaces of the double staple drive members and said single staple driving surfaces of the single staple drive members are arranged in three laterally spaced rows, and the longitudinal movement of each of said two cam surfaces respectively sequentially and independently drive said single and double staple drive members.
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