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IMPLANTABLE PULSE GENERATOR AND METHOD HAVING ADJUSTABLE SIGNAL BLANKING

  • US 20100324622A1
  • Filed: 08/31/2010
  • Published: 12/23/2010
  • Est. Priority Date: 08/29/2000
  • Status: Active Grant
First Claim
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1. An implantable pulse generator, comprising:

  • a signal sensor configured to sense a cardiac signal;

    a pace output circuit configured to deliver pacing pulses;

    a blanking window initiator coupled to the signal sensor and the pace output circuit, the blanking window initiator configured to identify cardiac events in the cardiac signal, start a blanking interval including a repeatable noise window blanking interval in response to each event of the cardiac events being identified, and adjust the blanking interval depending on whether the each event is identified as a paced cardiac event or a sensed cardiac event; and

    a noise detector coupled to the signal sensor and the blanking window initiator, the noise detector configured to detect noise in the cardiac signal during the repeatable noise window blanking interval,wherein the blanking window initiator is configured to repeat the repeatable noise window blanking interval in response to the noise being detected in the cardiac signal during the repeatable noise window blanking interval.

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