Apparatus for monitoring spinal motion

Details Apparatus for monitoring spinal motion Apparatus for monitoring spinal motion

1994-05-10

1995-03-21

Rimell, Sam

Surgery

Truss

Pad

128782, 33511, A61B 500

Patent

active

053986970

ABSTRACT:
The apparatus of the invention monitors spinal motion to detect movements of the lower back in lifting, bending and twisting through the use of a modified "t"-shaped collimated light beam emitted from a unit worn at the base of the spinal column and detected along the column as long as the spinal motion is within prescribed limits of flexion, extension, and left and right lateral movements--and beyond which an audible signal alert is provided as a warning of unsafe spinal movement.

REFERENCES:
patent: 2532915 (1950-12-01), Horner
patent: 3608541 (1971-09-01), Hall
patent: 4493382 (1985-01-01), Saito
patent: 4665928 (1987-05-01), Linial et al.
patent: 5022412 (1991-06-01), Gracovetsky et al.
patent: 5042505 (1991-08-01), Mayer et al.
patent: 5143088 (1992-09-01), Marras et al.

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