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Motion sensor for implanted medical device

  • US 5,010,893 A
  • Filed: 03/24/1988
  • Issued: 04/30/1991
  • Est. Priority Date: 01/15/1987
  • Status: Expired due to Fees
First Claim
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1. A body implantable motion sensor for use with a pacemaker, said sensor comprising:

  • housing means for implantation in a body, said housing means comprising a housing containing electronic circuits, said housing including an enclosed non-conductive cavity therewithin having a plurality of conductive electrodes exposed on an inside wall of said enclosed non-conductive cavity;

    means responsive to the application of external forces for making and breaking electrical contact between at least two of said plurality of electrodes; and

    means for electrically monitoring said electrodes with said electronic circuits for determining when electrical contact is made therebetween.

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