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Implantable Device and Method for Monitoring Venous Diameter

  • US 20090270729A1
  • Filed: 04/25/2008
  • Published: 10/29/2009
  • Est. Priority Date: 04/25/2008
  • Status: Active Grant
First Claim
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1. A method for use in an implantable medical device, comprising:

  • receiving a signal from an implantable sensor operatively positioned relative to a vein, the signal being responsive to changes in a diameter of the vein;

    determining a diameter of the vein in response to the sensor signal; and

    estimating a central venous pressure (CVP) based upon the vein diameter.

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