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External Charger with Customizable Magnetic Charging Field

  • US 20110276111A1
  • Filed: 05/03/2011
  • Published: 11/10/2011
  • Est. Priority Date: 05/07/2010
  • Status: Active Grant
First Claim
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1. An external charger for charging at least one implantable medical device, comprising:

  • a primary charging coil; and

    a plurality of first coils,wherein the plurality of first coils are differently activatable to produce a radially asymmetric magnetic charging field in conjunction with activation of the primary charging coil.

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