Knife coupler mechanism for an endoscopic instrument
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United States of America Patent
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Oct 27, 1998
Grant Date -
N/A
app pub date -
Dec 6, 1996
filing date -
Dec 6, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrosurgical instrument according to the present invention includes a handle, an elongated tube, an end effector, a pair of wireform conductors extending through the elongated tube from the handle to the end effector and a working tool such as, for example, a knife blade. The working tool being connected to the handle through a push bar which passes through the elongated tube. In an electrosurgical instrument according to the present invention, the push bar is positioned between the wireform conductors and is axially moveable with respect to the wireform conductors. In addition, in an electrosurgical instrument according to the present invention, the handle includes a coupling element to allow the wireform conductors and push bar to rotate with respect to the handle and to allow the push bar to move axially with respect to the wireform conductors and the handle.
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Family
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