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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0054734 (1993-04-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 598 인용 특허 : 0 |
There is described herein a ligating clip applier which contains: a handle assembly; a jaw assembly connected to the handle assembly and containing a shaft and a pair of jaws. The shaft defines a longitudinal axis which lies in a central horizontal plane. A magazine of clips is stored on one side of
There is described herein a ligating clip applier which contains: a handle assembly; a jaw assembly connected to the handle assembly and containing a shaft and a pair of jaws. The shaft defines a longitudinal axis which lies in a central horizontal plane. A magazine of clips is stored on one side of the plane. The jaws are positioned so that they are on the opposite side of the plane. This configuration allows the clip to be loaded into the jaws across the plane, resulting in greater visibility of the clips as they are loaded into the jaws. Further, there is provided a jaw closure mechanism operable in connection with the jaws of this device so that the jaws contact the legs of a ligating clip first distally and then proximally. Thereafter the jaws are parallel at least once during closure, and the closure of the clip legs is, indeed, distal and then proximal. This improved procedure insures that in virtually all instances, the angle included between the clip legs at the crown is 0°. Motion of the clip feeding and jaw closing mechanisms are accomplished without lost motion, via a pair of interengaged mechanisms connected by a single tension spring to one another, and operating separately from the body of the device. This configuration results in a more efficient, easier to operate more reliable clip applying device.
A ligating clip applier comprising: a pair of jaws each said jaw with a proximal end and a distal end; a jaw closure mechanism carried by a shaft, said jaw closure mechanism useful for closing said jaws; a stack of clips disposed on said shaft, at least one clip from said stack contained between sai
A ligating clip applier comprising: a pair of jaws each said jaw with a proximal end and a distal end; a jaw closure mechanism carried by a shaft, said jaw closure mechanism useful for closing said jaws; a stack of clips disposed on said shaft, at least one clip from said stack contained between said jaws, said clips each having a pair of legs containing proximal ends and said legs angularly attached to one another at said proximal ends; wherein said jaw closure mechanism causes said jaws to contact said clip first distally and then proximally, such that said jaws are parallel during at least one position during closure, and such that said leg proximal ends contact one another so that the angle included therebetween is substantially 0°; said jaw closure mechanism containing a longitudinally reciprocable bar capable of moving along a path and feeding a said clip into said jaws; a handle attached to said shaft mechanism for operating said jaw closure mechanism; and a lockout mechanism held in place one said shaft by said stack of clips and comprising a leaf spring, said leaf spring activated after closing of the last of said clips to move into said path and across said path, said leaf spring blocking movement of said longitudinally reciprocating bar.
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