Surgery – Truss – Pad
Patent
1981-10-13
1984-06-05
Kamm, William E.
Surgery
Truss
Pad
A61N 136
Patent
active
044522487
ABSTRACT:
A dual chamber cardiac stimulator provides sequential escape stimuli to the heart for bradycardia by synchronous following of normal sinus rhythm with prosthetic redundant AV coupling pre-empting or substituting for long or blocked physiologic AV delays. The automatic provision for prosthetic conduction of cardiac action in both antero and retrograde directions with pre-emption of pathologic delays prevents the initiation of reentry supraventricular tachyarrhythmias as well as the traditional disrhythms of pacing. Access to both chambers permits automatic injection of simple stimulus programs in either chamber upon the detection of a disrhythm, with immediate interruption by the first normal cardiac event. The pacer responds to arrhythmia provoking events by controlling the conduction time from atrium to ventricle and from ventricle to atrium to maintain cardiac stability and prevent pathological pathways from contributing to satisfy the criteria of reentry tachycardia.
REFERENCES:
patent: 4091817 (1978-05-01), Thaler
patent: 4248238 (1981-02-01), Joseph
patent: 4284082 (1981-08-01), Funke et al.
patent: 4312355 (1982-01-01), Funke
"Complete Abolition of the Reentrant Supraventricular Tachycardia Zone Using a New Modality of Cardiac Pacing with Simultaneous Atrioventricular Stimulation"; Jan. 1980, The American Journal of Cardiology, vol. 45, pp. 72-78.
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