Electrical heating catheter

Details Electrical heating catheter Electrical heating catheter

1991-07-26

1993-11-02

Cohen, Lee S.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

606 41, A61N 105

Patent

active

052576353

ABSTRACT:
The invention provides a thermal design of a catheter where the active electrode is partially covered by a heat conducting and electrically insulating heat-sink layer for localizing and controlling an electrical heating of tissue and cooling of the active electrode by convective blood flow. The invention further comprises a current equalizing coating for gradual transition of electrical properties at a boundary of a metallic active electrode and an insulating catheter tube. The current equalizing coating controls current density and the distribution of tissue heating.

REFERENCES:
patent: 4352360 (1982-10-01), King
patent: 4896671 (1990-01-01), Cunningham et al.

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