Range of motion device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 10, 2002
Grant Date -
N/A
app pub date -
Jun 14, 2000
filing date -
Jun 14, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexure measurement device measures the flexure of a flexing body part thereby describing a range of motion of the body part. The flexure measurement device includes a flexible member and a sensor for detecting a change in proportion of the flexible member in response to flexing of the flexible member. In one example, a flexure measurement device measures a change in a length dimension of an elongated flexible member. The length dimension is measured using transmitted signals in which a light source directs a light beam across an array of light sensors. A change in length causes a light source to pivot, thereby changing the light sensors upon which the light beam impinges. The flexure measurement device determines a position in the array of light sensors at which the illumination changes from light to dark to produce a flexure angle measurement.
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