Elongated-member-driving apparatus – Surgical stapler – With magazine
Patent
1991-07-11
1992-04-21
Yost, Frank T.
Elongated-member-driving apparatus
Surgical stapler
With magazine
227 8, 227 19, 227180, A61B 17072
Patent
active
051060086
ABSTRACT:
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.
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Presty Dominic F.
Tompkins Thomas M.
Bremer Thomas R.
Rada Rinaldi
United States Surgical Corporation
Yost Frank T.
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