Surgery – Instruments – Electrical application
Patent
1992-04-06
1994-05-24
Pellegrino, Stephen C.
Surgery
Instruments
Electrical application
606 1, 606 52, 606205, 606208, 81319, 81320, 607119, A61B 1739
Patent
active
053144244
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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Pellegrino Stephen C.
Schmidt Jeffery A.
United States Surgical Corporation
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