Alignment indication for transcutaneous energy transfer

  • US 8,738,148 B2
  • Filed: 03/15/2013
  • Issued: 05/27/2014
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A system for transcutaneous energy transfer, comprising:

  • an implantable medical device having componentry for providing a therapeutic output, said implantable medical device having an internal battery and a secondary coil operatively coupled to said internal battery, said implantable medical device adapted to be implanted in a patient; and

    an external power source having a primary coil, said external power source providing energy to said implantable medical device when said primary coil of said external power source is placed in proximity of said secondary coil of said implantable medical device and thereby generating a current, having a value, passing through said internal battery;

    wherein said external power source automatically varies its power output based on a value measured in said implantable medical device and associated with said current passing through said internal battery.

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