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Synchronization control system

  • US 9,561,375 B2
  • Filed: 07/27/2015
  • Issued: 02/07/2017
  • Est. Priority Date: 10/31/2003
  • Status: Active Grant
First Claim
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1. A heart assist system, comprising:

  • (a) a heart assist device comprising an inflatable cuff configured to apply pressure to blood in a blood vessel;

    (b) a pump configured to generate fluid pressure;

    (c) a fluid disposed within the inflatable cuff and the pump, the fluid configured to transfer the fluid pressure between the pump and the inflatable cuff;

    (d) a controller operably coupled to the pump; and

    (e) a phonocardiographic (“

    PCG”

    ) lead operably coupled to the controller, the PCG lead comprising a sound sensor configured to detect heart sounds, wherein at least a portion of the sound sensor is positioned in contact with the fluid,wherein the controller is configured to use the heart sounds to control the operation of the heart assist device.

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