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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0651594 (1991-02-06) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 719 인용 특허 : 0 |
Apparatus for applying at least one row of two-part surgical fasteners to body tissue, each surgical fastener having a pronged fastener portion for piercing body tissue, and an aperture retainer dimensioned and configured for engaged reception of the pronged fastener portion in interference fit ther
Apparatus for applying at least one row of two-part surgical fasteners to body tissue, each surgical fastener having a pronged fastener portion for piercing body tissue, and an aperture retainer dimensioned and configured for engaged reception of the pronged fastener portion in interference fit therewith for gripping the body tissue therebetween. The apparatus includes means for holding a plurality of the fastener portions in generally aligned relation, means spaced from the fastener portion holding means for gripping body tissue therebetween and for releasably holding a plurality of the retainers in generally aligned relation and positioned opposite the fasteners when the body tissue is positioned therebetween. Means is provided for sequentially advancing the pronged fastener portions toward the apertured retainers to cause the fastener portions to pierce the body tissue and to be received within the apertures of the retainers in engaged interference relation so as to cause the fastener portions and the retainers to be engaged while gripping the body tissue therebetween. In the preferred embodiment a knife edge is provided to cut the body tissue midway between opposed pairs of rows of the fasteners as the fasteners are applied. A method for applying two spaced apart pairs of rows of the fasteners to body tissue on the apparatus of the invention is also disclosed. A locking mechanism can be provided in the form of a hook which engages the cam bar retainer after firing the staples to prevent forward movement of the cam bar retainer.
A surgical fastening apparatus comprising: a channel member; a pusher assembly slidably mounted within said channel member, said pusher assembly having at least one cam bar longitudinally movable through said channel member for sequentially firing fasteners, and a cam bar retainer for mounting said
A surgical fastening apparatus comprising: a channel member; a pusher assembly slidably mounted within said channel member, said pusher assembly having at least one cam bar longitudinally movable through said channel member for sequentially firing fasteners, and a cam bar retainer for mounting said cam bar; a projection extending from an outer surface of said cam bar retainer; and hook means positioned proximal of said projection and out of engagement therewith, said hook means being dimensioned and configured for engagement with said projection upon retraction of said cam bar retainer after firing the fasteners to thereby block distal movement of said cam bar retainer.
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