Heart pacemaker

Details Heart pacemaker Heart pacemaker

1980-09-09

1982-03-09

Kamm, William E.

Surgery

Truss

Pad

128419PT, A61N 136

Patent

active

043184111

ABSTRACT:
The exemplary embodiment comprises a pulse generator which is controlled by means of a parent frequency generator with a prescribable parent frequency, and a control circuit with setting generator for setting desired pulse repetition rates of the pulse generator for the heart pacemaker pulses as a function of the setting value of the setting generator. The purpose of the disclosure is to develop such a heart pacemaker with simple technical means to such end that a preselection of the pulse repetition rate of the heart pacemaker is possible directly in pulse per minute. This goal is inventively achieved in that the parent frequency signal (f.sub.o) of the parent frequency generator is supplied to a binary frequency multiplier together with a binary multiplication signal (n) of a multiplication signal generator which is adjustable as a function of a pulse per minute setting value (F) of a pulse per minute setting generator, said binary frequency multiplier converting the parent frequency (f.sub.o) of the parent frequency signal into a secondary frequency (f.sub.1) which is composed of a fraction (f.sub.o /(n.sub.max +1)) of a parent frequency predetermined by the multiplier, multiplied by the binary value (n) of the multiplication signal.

REFERENCES:
patent: 3557796 (1971-01-01), Keller et al.
patent: 3939844 (1976-02-01), Pequignot
patent: 4120307 (1978-10-01), Jirak et al.
patent: 4192316 (1980-03-01), Walters et al.
"COS/MOS Integrated Circuits", Data Book RCA, (1978), title page, Table of Contents, pp. 2 and 242.

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