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IMPLANTABLE MEDICAL DEVICE WITH AUTOMATIC SENSING THRESHOLD ADJUSTMENT IN NOISY ENVIRONMENT

  • US 20120277606A1
  • Filed: 04/28/2011
  • Published: 11/01/2012
  • Est. Priority Date: 04/28/2011
  • Status: Active Grant
First Claim
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1. An implantable medical system comprising:

  • an implantable medical lead including at least one electrode;

    an implantable medical device coupled to the implantable medical lead, the implantable medical device comprising;

    a sensing module that obtains electrical signals on the implantable medical lead, wherein the electrical signals include cardiac signals and noise-induced signals;

    a noise detection module that obtains noise signals independently of the noise-induced signals on the implantable medical lead; and

    a control module that adjusts a sensing threshold of the sensing module in response to detecting the noise signals via the noise detection module.

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