System, apparatus, and method for in-vivo assessment of relative position of an implant
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United States of America Patent
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Nov 25, 2014
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Sep 26, 2011
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Sep 16, 2003
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Abstract
A method for providing an in-vivo assessment of relative movement of an implant that is positioned in a living being is provided wherein a first assembly and a second assembly are positioned within the living being. The first assembly includes a passive electrical resonant circuit that is configured to be selectively electromagnetically coupled to an ex-vivo source of RF energy and, in response to the electromagnetic coupling, generates an output signal characterized by a frequency that is dependent upon a distance between the first assembly and the second assembly at the time of the electromagnetic coupling.
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