Implantable High Efficiency Energy Transfer Module With Near-Field Inductive Coupling
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United States of America Patent
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Issued Date -
Nov 4, 2010
app pub date -
Apr 30, 2010
filing date -
Apr 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus includes a medical device for implantation in a blood vessel and a power supply adapted to be located outside the blood vessel. The extravascular power supply has a power transmitter that produces a radio frequency signal which is applied to an energy transmitting antenna. The energy transmitting antenna comprises first and second coils connected is series and wound around separate spaced apart, parallel axes axis wherein magnetic fields generated by each coil add together to produce a cumulative field. The receiving antenna, for positioning in a near field region of the cumulative field, has least one coil wound around a third axis that is aligned with the cumulative field.
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