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IMPLANTABLE MEDICAL DEVICE WITH ADAPTIVE SIGNAL PROCESSING AND ARTIFACT CANCELLATION

  • US 20100179444A1
  • Filed: 01/15/2010
  • Published: 07/15/2010
  • Est. Priority Date: 01/15/2009
  • Status: Active Grant
First Claim
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1. A medical device, comprising:

  • a sensor sensing an n-dimensional signal during a first known variable condition and during a second known variable condition different from the first known variable condition;

    a processor performing principal component analysis (PCA) on the sensed n-dimensional signal to generate a first template corresponding to a principal component of variation associated with the first known variable condition and a second template corresponding to a principal component of variation associated with the second known variable condition;

    a storage device storing the first template and the second template; and

    a controller detecting a patient condition in response to the stored templates.

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