Cardiac tissue stimulator for stimulating in the DDX modality

Details Cardiac tissue stimulator for stimulating in the DDX modality Cardiac tissue stimulator for stimulating in the DDX modality

1984-01-27

1986-05-27

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

045909440

ABSTRACT:
A programmable cardiac stimulator capable of stimulation in the DDX modality having a first sensing system (46) for sensing electrical activity in the atrium, a second sensing system (48) for sensing electrical activity in the ventricle, a pulse generator (24) connected to the first (46) and second (48) sensing system and responsive to electrical activity sensed by these systems (46, 48) for determining the timing for supplying electrical pulses to the atrium and ventricle, for this depolarization and a circuit with the pulse generator (24) for changing the stimulation modality from DDD to DVI when premature ventricular activity is sensed by the second sensing system (46) prior to sensing electrical activity by the first sensing system (48) during the pacer cycle.

REFERENCES:
patent: 4407287 (1983-10-01), Herpers
patent: 4412541 (1983-11-01), Schaldach et al.
patent: 4452248 (1984-06-01), Keller, Jr.
patent: 4485818 (1984-12-01), Leckrone et al.

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