Device for measuring angular movement of vertebrae

Details Device for measuring angular movement of vertebrae Device for measuring angular movement of vertebrae

1992-09-14

1994-03-08

Pellegrino, Stephen C.

Surgery

Truss

Pad

33512, 33534, 128782, A61B 5103

Patent

active

052919013

ABSTRACT:
A device for measuring angles of freedom of adjacent vertebrae which includes two reference elements associated with each vertebra respectively. Indicators are associated with the two reference elements for measuring the angle of freedom of movement of the vertebrae in torsion in a plane perpendicular to the longitudinal axis of the vertebrae and for measuring the angle of freedom of the vertebrae in lateral inflexion in a plane perpendicular to that of the spinous processes as a function of a given position of flexion-extension of the vertebrae in the plane containing the spinous processes.

REFERENCES:
patent: 2532915 (1950-12-01), Horner
patent: 3271868 (1966-09-01), Kuntscher et al.
patent: 3815247 (1974-06-01), Debrunner
patent: 4872268 (1989-10-01), Perrault
patent: 5188121 (1993-02-01), Hanson
Panjabi et al. "A Technique for Measurement . . . to the Human Spine" Journal of Biomechanics, vol. 14, No. 7, pp. 447-460 (1981).
Houge et al "Gage for Evaluating Rheumatoid Hands" NASA Tech Briefs, vol. 5, No. 4, Mar. 1980 p. 461.

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