Actively anchored electrode for electrode catheters

Details Actively anchored electrode for electrode catheters Actively anchored electrode for electrode catheters

1992-09-30

1994-05-24

Cohen, Lee S.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

A61N 100

Patent

active

053144619

ABSTRACT:
The electrode comprises an anchor point sandwiched firmly between a protective insulating sheath and an enlarged end portion of the selfsame sheath in such a way that the tip of the point projects from the distal end, together with a stimulation head disposed coaxially with the sheath and connected electrically to a spiral wound conductor; when the anchor point is corkscrewed into a cardiac muscle, a conductive spring positioned between the head and the conductor allows a measured retraction of the head back into the sheath, with the result that the head is maintained constantly in contact with the surface of the cardiac muscle independently of the penetrating movement of the point.

REFERENCES:
patent: 4233992 (1980-11-01), Bisping
patent: 4282885 (1981-08-01), Bisping
patent: 4566467 (1986-01-01), DeHaan

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