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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0358421 (1989-05-26) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 672 인용 특허 : 7 |
An improved surgical stapling apparatus containing a locking mechanism to prevent reactuation of the apparatus, the locking mechanism comprising a resilient clip having a hook which is engagable with a locking notch on the cam bar retainer. The resilient clip is initially held in a non-engagable pos
An improved surgical stapling apparatus containing a locking mechanism to prevent reactuation of the apparatus, the locking mechanism comprising a resilient clip having a hook which is engagable with a locking notch on the cam bar retainer. The resilient clip is initially held in a non-engagable position by means of a movable chock. When the stapler is actuated for the first time, the cam bar retainer pushes the chock into a subsequent position where the chock no longer blocks the resilient clip. The resilient clip then moves to a position where the hook is engagable with the locking notch. Once the cam bar retainer is retracted it can no longer be reactuated.
A surgical fastening apparatus including a single use locking mechanism to prevent reactuation of the surgical fastening apparatus, said surgical fastening apparatus comprising: (a) a frame; (b) a stationary carrier receivable into said frame; (c) a pusher assembly slidably mounted within said stati
A surgical fastening apparatus including a single use locking mechanism to prevent reactuation of the surgical fastening apparatus, said surgical fastening apparatus comprising: (a) a frame; (b) a stationary carrier receivable into said frame; (c) a pusher assembly slidably mounted within said stationary carrier, said pusher assembly comprising at least one cam bar, a cam bar retainer for mounting the cam bar, said cam bar retainer having a locking notch, a thrust knob attached to the cam bar retainer, and optionally a knife mounted to the cam bar retainer; (d) a resilient locking clip fixed to the stationary carrier and having a hook, said locking clip being adapted to be resiliently urged from a first position wherein said hook is non-engagable with said locking notch, to a second position wherein said hook is engagable with said locking notch; and, (e) a blocking means adapted to be movable from a location wherein said blocking means holds said locking clip in the non-engagable first position, to a location wherein said blocking means does not hold said locking clip in the non-engagable first position. A loading unit for a surgical fastening apparatus, said loading unit comprising: (a) a stationary carrier; (b) a pusher assembly slidably mounted within said stationary carrier, said pusher assembly comprising at lest one cam bar, a cam bar retainer for mounting the cam bar, said cam bar retainer having a locking notch, a thrust knob attached to the cam bar retainer, and optionally a knife mounted to the cam bar retainer; (c) a resilient locking clip fixed to the stationary carrier and having a hook, said locking clip being adapted to be resiliently urged from a first position wherein said hook is non-engagable with said locking notch, to a second position wherein said hook is engagable with said locking notch; and, (d) a blocking means adapted to be movable from a location wherein said blocking means holds said locking clip in the non-engagable first position, to a location wherein said blocking means does not hold said locking clip in the non-engageable first position.
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