Rate adaptive pacemaker and method of cardiac pacing

Details Rate adaptive pacemaker and method of cardiac pacing Rate adaptive pacemaker and method of cardiac pacing

1979-04-16

1981-12-15

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

043053963

ABSTRACT:
An improved automatically rate adaptive pacemaker, wherein the rate of delivered stimulus pulses is controlled as a function of sensed hearbeat characteristics and/or patient threshold. The pacemaker analyzes different characteristics or parameters of the detected heartbeat signal, and the rate of delivered stimulus pulses is controlled as a function of predetermined correlation factors. The pacemaker includes means for automatic threshold tracking, and also for adjusting the rate of delivered stimulus pulses as a continuous function of the patient threshold.

REFERENCES:
patent: 3517663 (1970-06-01), Bowers et al.
patent: 3593718 (1971-07-01), Krasner
patent: 3835865 (1974-09-01), Bowers
patent: 4088139 (1978-05-01), Auerbach
patent: 4091817 (1978-05-01), Thaler
patent: 4096865 (1977-11-01), Auerbach et al.
patent: 4114628 (1978-09-01), Rizk
Preston et al., "American Heart Journal", vol. 74, No. 2, Aug. 1967, pp. 233-242.
Koyama et al., "American Heart Journal", vol. 91, No. 4, Apr. 1976, pp. 457-459.
Westerholm, "Scandanavian Journal of Thoracic and Cardiovascular Surgery", 1971.

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