Surgical instrument locking mechanism
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United States of America Patent
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-
May 24, 1994
Grant Date -
N/A
app pub date -
Apr 6, 1992
filing date -
Apr 6, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An endoscopic or laparoscopic surgical instrument having an internally disposed locking mechanism located within a barrel portion of a handle assembly. The instrument includes a handle assembly having a pivoting handle and a stationary handle, a barrel portion to which an elongated body assembly is secured, and a locking mechanism for releasably positioning a tool mechanism located at the distal end of the body assembly. In one embodiment the locking mechanism comprises a trigger, a brake and a latch spring. In another embodiment the locking mechanism comprises a latch spring and a locking block. A rotational knob and locking member may also be provided to position the body assembly at various orientations to the longitudinal axis.
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