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Implantable medical device with valve opening detector

  • US 7,089,051 B2
  • Filed: 06/19/2001
  • Issued: 08/08/2006
  • Est. Priority Date: 06/30/2000
  • Status: Expired due to Term
First Claim
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1. An implantable medical device comprising:

  • an aortic valve opening detector for detecting opening of the aortic valve of a heart;

    said aortic valve opening detector including an impedance measuring unit for measuring an electrical impedance between measurement poles and generating an impedance signal representing said electrical impedance, at least one of said measurement poles being disposed at a location selected from the group consisting of in the coronary sinus and in the great cardiac vein of said heart; and

    said aortic valve opening detector further including an impedance signal processor, supplied with said impedance signal, for processing said impedance signal and detecting opening of said aortic valve therefrom.

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