Variable length scanning burst tachycardia control pacer

Details Variable length scanning burst tachycardia control pacer Variable length scanning burst tachycardia control pacer

1981-07-17

1983-09-27

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

044062877

ABSTRACT:
There is disclosed an improved pacer for controlling tachycardia. Following each tachycardia confirmation, a burst of stimulating pulses is generated. The rates of the bursts increase from cycle to cycle; thus following each tachycardia confirmation, a pulse burst at a different rate is generated. The number of pulses in a burst is similarly scanned, a complete rate scan taking place for each pulse number in a scan. The rate of a burst and the number of pulses in it which are successful in terminating tachycardia are stored, and following the next tachycardia confirmation the stored rate and pulse number are used for the first burst which is generated. In this manner, there is a greater likelihood that tachycardia will be terminated following the first burst since a previously successful rate and pulse number are used. Only if success is not achieved does scanning of the burst rate and pulse number ensue, starting with the previously successful rate and pulse number.

REFERENCES:
patent: 3693627 (1972-09-01), Berkovits
patent: 3698398 (1972-10-01), Berkovits
patent: 3939844 (1976-02-01), Pequignot
patent: 3942534 (1976-03-01), Allen et al.
patent: 4163451 (1979-08-01), Lesnick et al.
patent: 4181133 (1980-01-01), Kolemik et al.
patent: 4280502 (1981-07-01), Baker, Jr. et al.
patent: 4307725 (1981-12-01), Sowton et al.
patent: 4312356 (1982-01-01), Sowton et al.

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