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Passive charge of implantable medical device utilizing external power source and method

  • US 8,285,388 B2
  • Filed: 01/12/2010
  • Issued: 10/09/2012
  • Est. Priority Date: 12/02/2005
  • Status: Active Grant
First Claim
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1. An external power source for an implantable medical device implantable in a patient, said implantable medical device having a secondary coil operatively coupled to therapeutic componentry, comprising:

  • a power source;

    a modulation circuit operatively coupled to said power source;

    an article into which said patient may come into proximity;

    at least one primary coil operatively coupled to said modulation circuit and physically associated with said article;

    said modulation circuit driving at least one of said at least one primary coil; and

    a sensor coupled to said modulation circuit and adapted to sense proximity of said patient to said article;

    wherein said external power source automatically turns on and initiates a charging process without overt action by said patient;

    wherein said modulation circuit automatically commences operation to drive at least one of said at least one primary coil when said sensor senses proximity of said patient to said article.

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