Externally-reset tachycardia control pacer

Details Externally-reset tachycardia control pacer Externally-reset tachycardia control pacer

1981-03-19

1983-10-04

Kamm, William E.

Surgery

Truss

Pad

A61N 138

Patent

active

044072899

ABSTRACT:
An improved pacer for controlling tachycardia. Placing a magnet over the patient's chest results in the generation of two pulses, the time separation between which is an indication of the battery potential. Application of the magnet in this way also holds the device off, after the two pulses are generated, so that if the device is causing him discomfort the patient can temporarily disable it until the physician can program it off. Application of a magnet to the patient's chest, or programming of the device, also resets two start-of-scan time intervals to the values programmed by the physician. The next scanning begins with the programmed time values. In this way the physician, after inducing tachycardia, can verify the programmed time parameters rapidly by observing the patient's ECG waveform, without having to wait several minutes until scanning from previously retained successful values would otherwise progress to the programmed values.

REFERENCES:
patent: 3774619 (1973-11-01), Goldberg
patent: 3942534 (1976-03-01), Allen et al.
patent: 4124031 (1978-11-01), Mensink et al.
patent: 4181133 (1980-01-01), Kozgnik et al.
patent: 4307725 (1981-12-01), Sowton et al.
patent: 4312356 (1982-01-01), Sowton et al.

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