Plunge electrode for recording multiple intramyocardial monophas

Details Plunge electrode for recording multiple intramyocardial monophas Plunge electrode for recording multiple intramyocardial monophas

1993-12-17

1995-06-20

Cohen, Lee S.

Surgery

Truss

Pad

128696, A61B 50492

Patent

active

054253632

ABSTRACT:
A plunge electrode for recording multiple intra-myocardial monophasic action potentials comprises an elongated hollow body with a sharp closed head and an open end and two rows of conductive electrodes provided on opposite sides of the body. One of the electrodes are soldered electrodes and the others are moveable electrodes. The plunge also comprises an adjusting device for adjusting the moveable electrodes between a first position where the moveable electrodes are protruded out of the wall of the body and a second position where the moveable electrode are retracted within the body. Two bundles of conductive wires are respectively connected to said electrodes for transmission of recorded signals.

REFERENCES:
patent: 4690155 (1987-09-01), Hess
patent: 4922912 (1990-05-01), Watanabe
patent: 4955382 (1990-09-01), Franz et al.
patent: 5275162 (1994-01-01), Edwards et al.
"A Method For Recording of Intramyocardial Monophasic Action Potential in Intact Dogs: In Vivo Evidence of M Cells," YG Wang, et al, Pace, vol. 15 (Part II), p. 559, Apr., 1992.
"Construction of A Multipolar Neddle Electrode for Activation Study Of The Heart," Kasell et al, Am J Physiol 233(2) H312-H317, 1977.
"Method and Theory of Monophasic Action Potential Recording," M. R. Franz, Progress in Cardiovascular Disease, vol. 33, No. 6, pp. 347-368, May/Jun., 1991.
"Long-Term Recording of Monophasic Action Potentisls From Human Endocardiam," Franz, Am J Cardiol 51, pp. 1629-1634, 1983.
"Canine Intramyocardial Cells With Long Action Potential Duration," YG Wang et al, Abstracts from the 64th Scientific Sessions, II-179, #0715, 1992.
"Early Afterdepolarizations Arising From M Cells in Intact Dogs," R. J. Hariman et al, Circulation 86(4), 1992 #1199.

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