Transmitting coils for neurostimulation
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United States of America Patent
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Mar 21, 2017
Grant Date -
Jul 21, 2016
app pub date -
Jan 21, 2015
filing date -
Jan 21, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and methods are described, including a medical implant that includes a receiving coil. A transmitting device includes a first transmitting coil, and a second transmitting coil disposed with respect to the first transmitting coil such that a shortest distance from an edge of the second transmitting coil to an edge of the first transmitting coil is within 20% of a length of the receiving coil. A control unit is configured to transmit power to the medical implant by driving a current source to drive a current in a clockwise direction through one of the transmitting coils, and drive a current in a counterclockwise direction through the other one of the transmitting coils. Other applications are also described.
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