Endocardial electrode

Details Endocardial electrode Endocardial electrode

1983-11-14

1985-06-11

Kamm, William E.

Surgery

Truss

Pad

128419P, 128784, 128786, A61D 504

Patent

active

045222126

ABSTRACT:
An endocardial electrode assembly of three or more spring legs to be inserted into the heart, sets of electrodes on respective spring legs comprising distinctive geometrical patterns, over the ventricle-contacting span of the legs, such that the active sets of electrodes provide recognizable patterns when within a ventricle of the heart and viewed with a fluoroscope, the respective locations of at least some of the electrodes of these patterns being staggered relative to electrodes on other legs in the manner to reduce lateral clumping, thus to permit the numerous electrodes to be housed in a catheter sized to be conveniently introduced into the heart.

REFERENCES:
patent: 3347224 (1967-10-01), Adams
patent: 3814104 (1974-06-01), Irnich et al.
patent: 3825015 (1974-07-01), Berkovits
patent: 3865118 (1975-02-01), Bures
patent: 3866615 (1975-02-01), Hewson
patent: 3949757 (1976-04-01), Sabel
patent: 4057067 (1977-11-01), Lajos
patent: 4112952 (1978-09-01), Thomas et al.
patent: 4164939 (1979-08-01), Kolin
patent: 4289138 (1981-09-01), Halvorsen
Horowitz et al., "Ventricular Resection Guided by Epicardial and Endocardial Mapping for the Treatment of Recurrent Ventricular Tachycardia", N.E.J.M., vol. 302, No. 11, Mar. 13, 1980, pp. 589-593.

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