Biocompatible pressure sensor and manufacturing method thereof
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United States of America Patent
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May 17, 2016
Grant Date -
Apr 25, 2013
app pub date -
Oct 3, 2012
filing date -
Oct 24, 2011
priority date (Note) -
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Abstract
Provided are a biocompatible pressure sensor which can be implanted into a body to wirelessly measure an internal pressure of the body outside the body, and a method of manufacturing the biocompatible pressure sensor. The biocompatible pressure sensor includes a coil inductor, a capacitor electrically connected with the coil inductor to constitute an LC resonant circuit together with the coil inductor, a flexible membrane disposed while being spaced apart from the coil inductor with an internal space interposed therebetween and surrounded by a housing, and a pressure displacement member fixed to one surface of the flexible membrane facing the coil inductor. The flexible membrane is transformed by external pressure to change a distance between the coil inductor and the pressure displacement member.
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