Transcutaneous energy transfer primary coil with a high aspect ferrite core

  • US 20050288742A1
  • Filed: 06/24/2004
  • Published: 12/29/2005
  • Est. Priority Date: 06/24/2004
  • Status: Active Grant
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First Claim
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1. A transcutaneous energy transfer device comprising:

  • an external primary coil to which energy to be transferred is applied;

    an implanted secondary coil configured to be inductively coupled to the primary coil and connected to apply energy to a subcutaneous utilization device; and

    a member centered within the primary coil opposite the secondary coil and formed from a magnetically permeable material.

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