Inductively coupled electrosurgical trocar

Details Inductively coupled electrosurgical trocar Inductively coupled electrosurgical trocar

1999-02-22

2000-09-12

Dvorak, Linda C. M.

Surgery

Instruments

Electrical application

606 45, A61B 1818

Patent

active

061171328

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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