Implantable medical stimulation apparatus with intra-conductor capacitive energy storage
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United States of America Patent
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Dec 18, 2007
Grant Date -
Sep 28, 2006
app pub date -
Mar 24, 2005
filing date -
Mar 24, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An implantable device electrically stimulates an organ of an animal in response to a trigger event. Between trigger event that device receives a wireless signal, such as a radio frequency signal, and stores energy from the signal in a plurality of capacitors. The capacitors are located within a electrical lead that extends to a stimulation electrode attached to the organ. That electrical lead has a hollow outer insulating tube with a pair of conductors extending longitudinally therein. The plurality of capacitors are connected between the pair of conductors. Thus the electrical lead serves as both a conductor of a stimulation current to the electrode and a housing for the plurality of capacitors.
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