Radio frequency antenna for a wireless intravascular medical device
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United States of America Patent
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Jul 6, 2010
Grant Date -
Apr 5, 2007
app pub date -
Oct 5, 2005
filing date -
Oct 5, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A radio frequency antenna is provided for use with a medical device for implantation into an animal. The antenna comprises a coil formed by a wire that includes a core formed of a shape-memory material with an electrically conductive first layer applied to an outer surface of the core. A second layer, of an electrically insulating and biologically compatible material, extends around the first layer. If necessary to reduce friction a lubricant is place between the first and second layers. If second layer is formed of porous material or a non-biological compatible material, a biological compatible outer layer surrounds the second layer thereby providing a barrier that is impermeable to body fluids of the animal.
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