Implantable medical apparatus for stimulating a heart

Details Implantable medical apparatus for stimulating a heart Implantable medical apparatus for stimulating a heart

1992-01-23

1994-05-17

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1362

Patent

active

053124499

ABSTRACT:
An implantable medical apparatus delivers, in order to induce or terminate a tachyarrhythmia in a heart, a sequence consisting of several stimulation pulses having a time interval T.sub.t between each stimulation pulse. The first stimulation pulse is delivered after the lapse of a time interval T.sub.t, triggered by a spontaneous heart event If a detector in the apparatus detects a spontaneous heart event during any of the time intervals T.sub.t between the stimulation pulses during the attempt of inducing or terminating, the next stimulation pulse will be delivered after the lapse of the time interval T.sub.t from the detected spontaneous heart event. The apparatus also limits the duration of the sequence.

REFERENCES:
patent: 4408606 (1983-10-01), Spurrell et al.
patent: 4553547 (1985-11-01), Keimel
patent: 4574437 (1986-03-01), Segerstad et al.
patent: 4705043 (1987-11-01), Imran
patent: 4870974 (1989-10-01), Wang

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