Device for measuring force and angles
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United States of America Patent
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Sep 21, 2004
Grant Date -
Jul 15, 2004
app pub date -
Jan 15, 2003
filing date -
Jan 15, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Apparatus for selectively testing muscle strength and range of motion of a body part of a patient includes a housing having at least one contact area, and preferably two spaced apart contact areas, for contacting and aligning the apparatus with a body part to be tested for range of motion and an inclinometer to measure the angle of the apparatus and produce an angle signal indicative of the measured angle. The difference between the angle measured at one extreme of movement of the body part and at the other extreme of movement provides a measure of the range of motion. A force applicator coupler couples a force applicator to a force transducer to measure muscle strength. The force transducer produces a force signal indicative of the force applied by the force applicator to the force transducer. Interface circuitry which preferably includes a microprocessor processes the angle signals and the force signals to produce output signals to a display in the apparatus and, if desired, to a computer programmed to receive such signals.
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