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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0641835 (1996-05-02) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 856 인용 특허 : 15 |
A staple and stapler for injecting the staple in a manner so that the staple maintains a near constant width upon penetration of material to be joined and during staple closure/forming such that material perturbation and staple to staple spacing may be minimized. The staple has a rectilinear bridge
A staple and stapler for injecting the staple in a manner so that the staple maintains a near constant width upon penetration of material to be joined and during staple closure/forming such that material perturbation and staple to staple spacing may be minimized. The staple has a rectilinear bridge part from which depend oppositely positioned side parts and from the side parts a pair of straight legs. In a preferred embodiment, the oppositely positioned side parts consist of a proximal arcuate section attached to the bridge part and an oppositely directed distal arcuate section attached to the legs. The legs may have sharpened points. Also disclosed is a stapler adapted to force the oppositely directed distal arcuate sections outward, in one embodiment, thereby forcing a reaction of the legs of the staple to face each other in linear alignment and form a closed staple. The unpreloaded fully-formed staple may be deformed in situ by means of a preload part on a cam slide so as to create a U-shaped central portion for the compression of captured material. Alternatively, a preformed staple with the U-shaped central portion may also be used.
[ What is claimed is:] [1.] A stapler for driving an open staple comprising:a housing open at one end;an injector mounted within said housing and having an end axially spaced from said one end of said housing;a spreader mounted within said housing and having an end part extending, between said end o
[ What is claimed is:] [1.] A stapler for driving an open staple comprising:a housing open at one end;an injector mounted within said housing and having an end axially spaced from said one end of said housing;a spreader mounted within said housing and having an end part extending, between said end of said injector and said one end of said housing;a pair of reaction plates connected to said housing and extending beyond said one end thereof; anda cam means located within said housing for expanding said spreader.
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