Medical device and method for stimulating a physiological event

Details Medical device and method for stimulating a physiological event Medical device and method for stimulating a physiological event

Filed on

1990-08-27

Date issued

1991-05-21

Examiner

Kamm, William E.

Patent Class

Surgery

SubClass

Truss

SubSubClass

Pad

Other Related Categories

A61N 1365

Type

Patent

Status

active

Patent number

050166328

Description

ABSTRACT:
An implantable medical device for stimulating a physiological event in a patient at a stimulation intensity includes circuitry for adapting the stimulation intensity to the physical activity of the patient with refernce to a parameter contained within a physical activity signal obtained from a sensor. Circuitry is also provided for reducing, under certain circumstances, the sensitivity for the parameter of the physical activity signal which is used to adapt the stimulatin intensity. Reducing the sensitivity ensues dependent on the time over which the stimulation intensity is below a defined threshold. A method for operating the device is also disclosed.

REFERENCES:
patent: 4325384 (1982-04-01), Blaser et al.
patent: 4428378 (1984-01-01), Anderson et al.
patent: 4776338 (1988-10-01), Lekholm et al.
patent: 4892100 (1990-01-01), Schaldach
patent: 4926863 (1990-05-01), Alt
patent: 4972834 (1990-11-01), Beggmann et al.

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