Implantable cardiac pacemaker

Details Implantable cardiac pacemaker Implantable cardiac pacemaker

1983-03-10

1986-02-04

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

045678928

ABSTRACT:
An implantable cardiac pacemaker in which the stimulation rate is determined through a suitable programmable algorithm by the patient's ventilation rate which is taken by measuring the impedance variations throughout a distance within the human body; preferably a distance within the thoracic region that goes between the pacemaker box and the lead which is placed subcutaneously. The pacemaker is constructed to detect variations, even rapid ones, of the corporeal impedance and to discriminate substantial variations attributable in all probability to a respiratory act, as well as to limit the drain of electrical energy.

REFERENCES:
patent: 3593718 (1971-07-01), Krasner et al.
patent: 3802419 (1974-04-01), Yates
patent: 4267843 (1981-05-01), McDonald et al.
patent: 4310000 (1982-01-01), Lindemans
patent: 4344437 (1982-08-01), Markowitz
patent: 4428378 (1984-01-01), Anderson et al.
patent: 4466440 (1984-08-01), Money et al.
Barker et al., "Medical & Biological Engineering", vol. 11, No. 3, May 1973, pp. 352-353.

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