Automatic threshold following cardiac pacer

Details Automatic threshold following cardiac pacer Automatic threshold following cardiac pacer

1974-08-01

1976-04-13

Kamm, William E.

Surgery

Truss

Pad

128419PT, A61N 136

Patent

active

039497585

ABSTRACT:
In a cardiac pacer including a source of timed pulses and means responsive to the timed pulses for providing controlled energy cardiac stimulating pulses, the improved apparatus including means for successively decreasing the energy of the cardiac stimulating pulses after every n pulses from the timed pulse source, n being a number greater than 1. The apparatus may also include means for increasing the energy of the cardiac stimulating pulses in the absence of a driven heartbeat and, in a preferred embodiment, may include additional apparatus to prevent loss of a heartbeat on loss of capture.

REFERENCES:
patent: 3557796 (1971-01-01), Keller, Jr. et al.
patent: 3618615 (1971-11-01), Greatbatch
patent: 3669120 (1972-06-01), Nielsen
patent: 3757792 (1973-09-01), Mulier et al.
patent: 3805796 (1974-04-01), Terry, Jr. et al.

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