Apparatus for monitoring the motion components of the spine

Details Apparatus for monitoring the motion components of the spine Apparatus for monitoring the motion components of the spine

1991-05-06

1992-09-01

Smith, Ruth S.

Surgery

Truss

Pad

33512, A61B 511

Patent

active

051430886

ABSTRACT:
An apparatus is disclosed for monitoring the functional motion characteristics of the spine in each of three planes. The apparatus is designed to be mounted on the back of a patient, and it includes an exoskeleton of T-shaped elements which resemble the spinous process and the transverse process of the spine. The elements each include a central bore for receiving a cable, and three separate openings for receiving a wire therethrough. The cable is attached to a potentiometer which measures twisting movement of the spine, and each of the three wires is attached to a separate potentiometer so as to measure flexing in the and sagittal and lateral planes. The signals from the potentiometers are processed so as to provide, for each of the three planes, a measurement of the angular position of the spine as a function of time, the angular velocity as a function of time, and the angular acceleration as a function of time.

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"Flexibility and Velocity of the Normal and Impaired Lumbar Spine"; Archives of Physical Medicine and Rehabilitation, vol. 67, Apr., 1986, pp. 213-217.
Operating Manual for Ady-Hall Lumbar Monitor entitled "Lumbar Hygiene", comprising cover sheet and 16 pages, dated May 13, 1983.
"The Low Back Machine That Moves Like The Low Back", Isotechnologies Inc., one page.

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