Cardiac pacer with rate limiting means

Details Cardiac pacer with rate limiting means Cardiac pacer with rate limiting means

1976-03-15

1977-08-02

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

040389910

ABSTRACT:
A cardiac pacer includes means connected to electrodes adapted to be connected to a patient's heart for detecting and amplifying naturally occurring heart pulses. First and second counters are provided to receive periodic pulses from a clock pulse generator to time a refractory period and a stimulation pulse period, respectively. A rate limiting circuit limits the stimulation pulse rate to a predetermined rate, above which, the pacer is precluded from producing stimulation pulses. A test circuit is selectively connectable to produce a visual indication of the production of a stimulation pulse.

REFERENCES:
patent: 3311111 (1967-03-01), Bowers
patent: 3557796 (1971-01-01), Keller, Jr. et al.
patent: 3822707 (1974-07-01), Adducci et al.
patent: 3833005 (1974-09-01), Wingrove
patent: 3903897 (1975-09-01), Woollons et al.
patent: 3920024 (1975-11-01), Bowers
patent: 3926198 (1975-12-01), Kolenick
patent: 3945387 (1976-03-01), Adams

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