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PHYSIOLOGICALLY RESPONSIVE VAD

  • US 20110178361A1
  • Filed: 01/18/2011
  • Published: 07/21/2011
  • Est. Priority Date: 01/19/2010
  • Status: Active Grant
First Claim
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1. A ventricular assist device comprising:

  • a rotary pump implantable in fluid communication with a ventricle and an artery of a subject to assist blood flow from the ventricle to the artery;

    a pump drive circuit;

    one or more sensors for sensing one or more electrophysiological signals in a patient and providing sensor signals representing the electrophysiological signals;

    a signal processing circuit in communication with the sensors and the pump drive circuit, the signal processing circuit being operative to detect the sensor signals, and control power supplied to the pump from the pump drive circuit so that the pump runs in a normal pulsatile mode with a varying speed synchronized with the cardiac cycle of the subject.

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