Bipolar roller electrodes and electrocautery probes for use with

Details Bipolar roller electrodes and electrocautery probes for use with Bipolar roller electrodes and electrocautery probes for use with

1995-08-28

1997-06-03

Sykes, Angela D.

Surgery

Instruments

Electrical application

606 41, 606 45, 606 49, A61B 1739

Patent

active

056349246

ABSTRACT:
A bipolar roller electrode has a non-conductive base upon which two electrical conductors are placed with a gap between the conductors. The electrode is provided with a blind hole at each end thereof for rotatably mounting it between a pair of arms. Each of the two conductors preferably extends into or forms a part of a respective blind hole. An electrocautery probe according to the invention includes a pair of electrically conductive arms between which the electrode is mounted with each of the arms entering one of the blind holes in the electrode. The arms are mechanically joined but electrically isolated and their proximal ends are individually coupled to a pair of electrode leads. A non-conductive or insulated mounting sleeve is preferably provided intermediate of the arms and the leads for slideably coupling the probe to a resectoscope. The distal end of each arm of the probe enters a respective blind hole in the roller electrode and makes electrical contact with a respective one of the two conductors. Several methods of manufacturing the electrodes are disclosed as are several different embodiments of the electrodes.

REFERENCES:
patent: 2484059 (1949-10-01), Wallace
patent: 3920021 (1975-11-01), Hiltebrandt
patent: 4060087 (1977-11-01), Hiltebrandt et al.
patent: 4116198 (1978-09-01), Roos
patent: 4674498 (1987-06-01), Stasz
patent: 5078717 (1992-01-01), Parins et al.
patent: 5080060 (1992-01-01), Buelna
patent: 5395363 (1995-03-01), Billings et al.

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