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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0270399 (1994-07-05) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 537 인용 특허 : 0 |
A linear surgical stapling instrument includes a magazine for holding a plurality of undeformed surgical staples, and an upper jaw carrying the magazine and having opposed distal and proximal ends. An anvil is formed with staple-deforming pockets, and a lower jaw carries the anvil and has opposing d
A linear surgical stapling instrument includes a magazine for holding a plurality of undeformed surgical staples, and an upper jaw carrying the magazine and having opposed distal and proximal ends. An anvil is formed with staple-deforming pockets, and a lower jaw carries the anvil and has opposing distal and proximal ends respectively configured to mate with the distal and proximal ends of the upper jaw thereby to place the magazine and the anvil in confronting relation. A staple driver is carried in the upper jaw for driving staples held therein toward the anvil. Further, the upper and lower jaws are configured such that, when their respective distal and proximal ends are mated, a gap exists between the jaws in an intermediate region between their respective distal and proximal ends. Finally, a pivotably mounted clamp bar joins the upper and lower jaws and when actuated compresses them together in the intermediate region thereby to narrow the gap and to increase the clamping pressure between the magazine and the anvil. The instrument also includes a blocking system that prevents the jaws from being remated, once having been mated and having had staples in the magazine driven toward the anvil. Still further, the instrument includes a coupling device for coupling the jaws and clamp bar together when the staple driver is actuated.
An apparatus for applying surgical staples to body tissue comprising: a) a cartridge assembly containing a plurality of surgical staples; b) an anvil having a plurality of staple deforming pockets defined therein, the anvil and cartridge assembly being relatively movable between a first spaced apart
An apparatus for applying surgical staples to body tissue comprising: a) a cartridge assembly containing a plurality of surgical staples; b) an anvil having a plurality of staple deforming pockets defined therein, the anvil and cartridge assembly being relatively movable between a first spaced apart position and a second position in close cooperative alignment with one another; c) an actuation mechanism configured to advance through the cartridge assembly to sequentially eject the plurality of staples from the cartridge assembly to be driven against the anvil and deformed within the pockets; d) a cutting blade support member supporting a cutting blade operatively associated with the actuation mechanism and configured to advance through the cartridge assembly in conjunction with the actuation mechanism; and e) a blocking member for preventing movement of the cartridge assembly and the anvil into close cooperative alignment after the plurality of staples have been ejected from the cartridge assembly, the blocking member mounted for deployment into a blocking position in response to the cutting blade support member moving toward and contacting the blocking member as the cutting blade support member advances through the cartridge assembly.
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