Pacemaker with pulse width adjustment circuitry

Details Pacemaker with pulse width adjustment circuitry Pacemaker with pulse width adjustment circuitry

1979-10-10

1981-07-14

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

042780942

ABSTRACT:
A cardiac pacemaker pulse generator utilizing digital circuitry for controlling the provision of cardiac stimulating pulses. The width of the pulses is increased as the battery voltage decreases to maintain the energy of the stimulation pulse. The pulse width of each pacemaker pulse is determined by comparing a reference signal to an incrementally increasing signal which is related to the battery voltage.

REFERENCES:
patent: 3746005 (1973-07-01), Thaler et al.
patent: 3842844 (1974-10-01), Alferness
patent: 4164945 (1979-08-01), Hartlaub

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