Surgery – Instruments – Electrical application
Patent
1997-06-30
1999-06-29
Cohen, Lee
Surgery
Instruments
Electrical application
606 45, 606 46, 606 50, 607103, A61B 1739
Patent
active
059162155
ABSTRACT:
In the present invention, a surgical trocar is adapted to inductively couple electrosurgical energy to specially adapted cordless electrosurgical instruments. In one embodiment of the present invention, an electrosurgical trocar includes a cannula, an inductive electrosurgical adapter and a locking connector adapted to connect the cannula to the inductive electrosurgical adapter. The cannula is an elongated tube which may be inserted into a body cavity, duct or vessel. The inductive electrosurgical adapter includes a housing with an elongated central aperture, a primary inductor coil positioned around and extending axially along the elongated aperture, first and second inductor leads, first and second conductors, an outer housing and an electrical cord.
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Freeman Lynetta J.
Knodel Bryan D.
Long Gary L.
Cohen Lee
Ethicon Endo-Surgery Inc.
Gibson Roy
Shay Bernard
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