Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1998-10-21
2000-10-17
Jastrzab, Jeffrey R.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
A61N 1365
Patent
active
061344710
ABSTRACT:
A rate-adaptive pacemaker, comprising a stimulation pulse generator and tewith connected output means for stimulating at least the heart ventricle of a heart-signal input stage in order to detect the signal shape of evoked heart signals, particularly the morphology of the ventricular evoked response VER, also comprising a rate-calculation unit that is connected on the input side with the heart signal input stage and on the output side with the stimulation pulse generator, for calculating the stimulation rate based on the physiological stress on the pacemaker carrier and for emitting a rate-control signal, wherein the rate calculation device generates the rate-control signal on the basis of the heart signal shape detected at the input stage. The rate-calculation unit has a signal amplitude processing unit for calculating the rate-control signal upon responding to heart signal amplitude values at predetermined times during a specified heart cycle, in particular the last preceding heart cycle.
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"Frequenzadaptive Herzschrittmacher" by K Stangl et al. pp. 255-271.
Dauer Wolfgang
Frohlich Ronald
Wetzig Thomas
Biotronik Mess- und Therapiegerate GmbH & Co. Ingenieurburo Berl
Jastrzab Jeffrey R.
Kinberg Robert
Spencer George H.
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