Thumb-activated actuating member for imparting reciprocal motion

Details Thumb-activated actuating member for imparting reciprocal motion Thumb-activated actuating member for imparting reciprocal motion

1991-04-04

1992-07-28

Howell, Kyle L.

Surgery

Instruments

Forceps

128751, 606174, 606170, A61B 1700

Patent

active

051337355

ABSTRACT:
An actuator for a laparoscopic surgical instrument imparts reciprocal motion to a push rod surrounded by a hollow tube. The actuator includes a plastic housing which fixedly engages the hollow tube, and a lever which fixedly engages the push rod and pivotally engages the housing. The housing also preferably includes an integral handle. When the handle and lever are manipulated by the user such as by pivotal movement of the lever, reciprocal motion is imparted to the push rod relative to the hollow tube. The lever also includes an external unevenly surfaced portion which when frictionally engaged by a digit of a human hand will impart pivotal motion to the lever, and hence reciprocal motion to the push rod.

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Websters Dictionary, "Staple", 1984 (Nineth New Collegiate Dictionary) p. 1150.

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