Single pacing lead and method utilizing two different floating b

Details Single pacing lead and method utilizing two different floating b Single pacing lead and method utilizing two different floating b

1991-05-30

1992-12-22

Cohen, Lee S.

Surgery

Truss

Pad

128785, 128419P, 128696, A61B 5046

Patent

active

051726947

ABSTRACT:
There is provided a pacemaker lead for use in a dual chamber pacemaker system, wherein the single lead provides for ventricular pacing and atrial sensing. The lead has at least two floating bipoles positioned for placement in the atrium. A first whole-ring bipole is positioned a distance from the distal end so as to be positioned in the lower atrium of an average patient when the distal end is in position for ventricular pacing, and a second split-ring bipole is placed on the lead proximal from the first bipole so as to be positioned in the upper atrium of the normal patient. The method thus comprises positioning a floating whole-ring bipole in the lower atrium, and/or positioning a floating split-ring bipole in the upper atrium. The pair of bipoles so placed provide for atrial sensing with a high degree of ventricular far-field rejection, enabling VDD pacing and also monitoring of P-wave direction and conduction duration.

REFERENCES:
patent: 3903897 (1975-09-01), Woollons et al.
patent: 4962767 (1990-10-01), Brownlee
Goldreyer et al., "A New Orthogonal Lead For P-Synchronous Pacing", PACE, 1981, 4:638-644.
Goldreyer et al., "Orthogonal Electrogram Sensing", PACE, 1983, 6:464-469.
Brownlee, "Toward Optomizing the Detection of Atrial Depolarization With Floating Bipolar Electrodes", PACE, 1989, 12:431-442.

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