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BLOOD PRESSURE MEASUREMENT WITH IMPLANTABLE MEDICAL DEVICE

  • US 20110313302A1
  • Filed: 06/17/2011
  • Published: 12/22/2011
  • Est. Priority Date: 06/18/2010
  • Status: Abandoned Application
First Claim
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1. An implantable medical device comprising:

  • a lead connecting arrangement configured to be connected to a cardiac lead to be implanted in or in connection with a ventricle of a heart of a patient and comprising a cardiomechanic sensor configured to generate a deformation signal representative of the myocardial deformation;

    a derivative calculator configured to generate a deformation rate signal representative of rate of said myocardial deformation by calculating the derivative of said deformation signal with respect to time;

    a signal filter unit configured to filter said deformation rate signal to get a filtered deformation rate signal;

    a peak identifier configured to identify respective maximum deformation rate values in said filtered deformation rate signal for multiple cardiac cycles; and

    a pressure calculator configured to calculate a value representative of systemic blood pressure of said patient based on a combination of said respective maximum deformation rate values identified by said peak identifier.

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