Implantable heart pacemaker with a sensor for inertial and/or ro

Details Implantable heart pacemaker with a sensor for inertial and/or ro Implantable heart pacemaker with a sensor for inertial and/or ro

1988-05-11

1989-09-26

Jaworski, Francis

Surgery

Truss

Pad

A61N 100, H05G 0000

Patent

active

048692514

ABSTRACT:
A pacemaker has a sensor for deteching inertial and/or rotational movements of a patient in whom the pacemaker is implanted. The sensor has a hollow member with at least one freely moveable member therein, the freely moveable member generating a mechanical vibration upon movement thereof within the hollow member caused by movement or rotation of the patient. A transducer generates an electrical signal corresponding to the mechanical vibrations, the electrical signal being proportional to the movement. This electrical signal is used to vary the rate at which stimulation pulses are supplied to the patient by the pacemaker.

REFERENCES:
patent: 2979959 (1961-04-01), Clurman
patent: 3129347 (1964-04-01), Tognola
patent: 3486506 (1969-12-01), Auphan
patent: 3554199 (1971-01-01), Auphan
patent: 3619524 (1971-11-01), Gillund
patent: 3926198 (1975-12-01), Kolenik
patent: 4031848 (1977-06-01), Killen
patent: 4527153 (1985-07-01), Suzuki et al.
patent: 4771780 (1988-09-01), Sholder
"How to Measure Anything With Electronic Instruments," Kueken, 1981, pp. 167-171.

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