Systems and methods for monitoring wear and/or displacement of artificial joint members, vertebrae, segments of fractured bones and dental implants
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 24, 2003
Grant Date -
Aug 22, 2002
app pub date -
Jan 31, 2001
filing date -
Nov 18, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A distance measurement system is provided. The distance measurement system includes at least one resonant circuit, at least one magnetic element with predetermined magnetic properties, a transmitter operable to transmit an electromagnetic pulse, a receiver operable to detect oscillations emitted by said resonant circuit in response to said electromagnetic pulse, and an analyzer operable to analyze an amplitude envelope property of said oscillations, to thereby determine a distance between the resonant circuit and the magnetic element.
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