Instrument for measuring the range of motion associated with a human body joint

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dc.contributorThe University of Toledo
dc.contributorRaftopoulos, Demetrios D.
dc.date1984-03-13
dc.date.accessioned2024-05-24T16:13:35Z
dc.date.available2024-05-24T16:13:35Z
dc.descriptionThe present invention relates to an instrument for measuring the range of angular displacement associated with two human body portions connected to a common joint. The instrument includes two pivotally connected, elongate rods, and separate supports for supporting each of the rods on a respective one of the body portions in spaced relationship with the body portion. Each of the supports includes a pair of ball and socket assemblies which are mounted on the respective body portions in spaced relation to one another. The ball of each ball and socket assembly has an aperture formed therethrough for receiving the associated elongate rod. Such a support arrangement enables the body portions to be rotated about the common joint without affecting the natural movements of the body portions. An encoder is utilized to pivotally connect the two elongate rods and to generate an electrical output signal representing the relative angular position between the two rods. A counter and display circuit is responsive to the encoder output signal for determining the change in angular position between the two rods and displaying this value in terms of angular degrees.
dc.formatapplication/pdf
dc.identifierutoledo:1238
dc.identifieriid:utpatents-US4436099
dc.identifierPatent No.: US4436099
dc.identifierAppl. No.: 06/292899
dc.identifier.urihttps://hdl.handle.net/20.500.14324/5665
dc.language.isoeng
dc.publisherUnited States Patent and Trademark Office
dc.rightsNo Copyright - United States
dc.subject600/595
dc.subject600/587
dc.titleInstrument for measuring the range of motion associated with a human body joint
dc.typeText
dc.typepatent

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