Implantable displacement sensor means
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Apr 25, 1988
filing date -
Apr 25, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This device is adapted for replacable implantation in soft body tissue for the measurement of the mechanical behavior of the soft tissues of the body. The device consists of an hall-effect strain transducer that detects the linear motion of a magnetic core. A barb force transducer uses a barbed probe that is inserted into the soft tissue. The barb force transducer has pressure sensors located within the body of the probe that detect the squeezing of the tissue fibers against the sides of the transducer. The combination of the hall-effect strain transducer and the barb force transducer allows the operator to simultaneously measure the strain and force on a specific soft tissue.
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