Surgery – Truss – Pad
Patent
1990-02-09
1991-12-24
Kamm, William E.
Surgery
Truss
Pad
A61N 1368
Patent
active
050743040
ABSTRACT:
An implantable heart pacemaker includes a detector for natural heart muscle contractions in the region of the atrium and circuitry for stimulating heart muscle contractions in the region of the ventricle, the stimulating circuitry generating a stimulating pulse following the detection of a natural heart muscle contraction in the region of the atrium. The repetition rate of the pulses which stimulate heart muscle contractions in the region of the ventricle is limited to a maximum value which tracks and is not less than the heartbeat frequency adapted to the current physical activity of the pacemaker user.
REFERENCES:
patent: 4554921 (1985-11-01), Boute et al.
patent: 4856523 (1989-08-01), Sholder et al.
patent: 4932406 (1990-06-01), Berkovits
"Pulse Generator 704--Physician's Manual" (Mar. 1985 Siemens).
Hedin Asa
Ljungstroem Jan
Kamm William E.
Schaetzle Kennedy J.
Siemens Aktiengesellschaft
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