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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0315448 (1981-10-27) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 594 인용 특허 : 1 |
A surgical stapling assembly including a resiliently mounted anvil member and a staple holding assembly containing a plurality of surgical staples and mounted relative to the anvil member for movement into substantially parallel spaced relation thereto to clamp tissue inserted between the anvil memb
A surgical stapling assembly including a resiliently mounted anvil member and a staple holding assembly containing a plurality of surgical staples and mounted relative to the anvil member for movement into substantially parallel spaced relation thereto to clamp tissue inserted between the anvil member and staple holding assembly for stapling. If the surgical stapling assembly is overloaded with tissue and clamped, the clamping force results in a displacement of the anvil member relative to the staple holding assembly in the general direction of the clamping force. The amount of displacement of the anvil member permitted by the resilient means is large enough to prevent excessive pressure on the tissue, but not so large that the anvil member is no longer sufficiently close to the staple holding assembly to perform its function of crimping the ends of the staples driven from the staple holding assembly.
A surgical stapling assembly for use with an actuator assembly for simultaneously forming a plurality of surgical staples in body tissue comprising an anvil support member, resilient means mounted on the anvil support member, an anvil member mounted on the resilient means, a staple holding assembly,
A surgical stapling assembly for use with an actuator assembly for simultaneously forming a plurality of surgical staples in body tissue comprising an anvil support member, resilient means mounted on the anvil support member, an anvil member mounted on the resilient means, a staple holding assembly, and means mounting the staple holding assembly relative to the anvil support member for movement into spaced relation to the anvil member to clamp tissue inserted therebetween, said staple holding assembly containing a plurality of surgical staples and including staple driving means for simultaneously driving all of the staples from the staple holding assembly through the clamped tissue and then into contact with the anvil member to crimp the staples, said anvil member being mounted on said resilient means so that when the stapling assembly is overloaded with tissue and the anvil member and staple holding assembly are moved into spaced relation, the anvil member is displaced, relative to the staple holding assembly, a distance sufficient to reduce pressure on the overloaded tissue, said displacement being such that the distance between the staple holding assembly and the displaced anvil member is less than the length of the legs of the uncrimped surgical staples.
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