Locking mechanism for a surgical fastening apparatus
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United States of America Patent
Stats
-
Apr 21, 1992
Issued Date -
N/A
app pub date -
Jul 11, 1991
filing date -
May 26, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
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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