Low frequency transcutaneous energy transfer to implanted medical device
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United States of America Patent
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Oct 6, 2009
Grant Date -
Dec 29, 2005
app pub date -
Jun 24, 2004
filing date -
Jun 24, 2004
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Abstract
An implantable medical device system advantageously utilizes low frequency (e.g., about 1-100 kHz) transcutaneous energy transfer (TET) for supplying power from an external control module to an implantable medical device, avoiding power dissipation through eddy currents in a metallic case of an implant and/or in human tissue, thereby enabling smaller implants using a metallic case such as titanium and/or allowing TET signals of greater strength thereby allowing placement more deeply within a patient without excessive power transfer inefficiencies.
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