Thumb-activated actuating member for imparting reciprocal motion to a push rod of a disposable laparoscopic surgical instrument
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United States of America Patent
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Aug 30, 1994
Issued Date -
N/A
app pub date -
Jul 24, 1992
filing date -
May 10, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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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