Laparoscopic surgical instrument

Details Laparoscopic surgical instrument Laparoscopic surgical instrument

2005-10-26

2011-12-20

Johnson, III, Henry M (Department: 3769)

Surgery

Instruments

C606S167000, C606S205000, C606S210000

Reexamination Certificate

active

08080004

ABSTRACT:
A laparoscopic surgical instrument configured to be ergonomic and anthropometrically correct, the laparoscopic surgical instrument comprising: (a) an ergonomic handle configured to orient a hand of a surgeon in a functional position, the handle comprising a handle grip; (b) an actuating mechanism actuatable by a finger and supported by the handle, the actuating mechanism comprising an actuator shaft and a gearing assembly operable to displace the actuator shaft with a mechanical advantage upon actuation of a trigger by the surgeon; (c) a locking mechanism configured to lock the actuating mechanism in one of a plurality of positions, the locking mechanism comprising a release located in an anthropometrically correct position; and (d) a working shaft having a proximal end coupled to and operable with the actuator shaft, the working shaft having an elongate configuration and a distal working end configured to couple a surgical tool to be manipulated by the surgeon via the handle and the actuating mechanism to perform a surgical function.

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