Device for straightening spinal column

Details Device for straightening spinal column Device for straightening spinal column

1982-05-28

1984-05-01

Frinks, Ronald L.

Surgery

Truss

Perineal

128 92R, 128 92B, 128 92E, A61F 500

Patent

active

044455135

ABSTRACT:
A device for straightening a spinal column having a succession of vertebrae extending along a nonstraight line lying generally in a plane has an elongated bar lying generally in the plane of the line and having a pair of relatively longitudinally displaceable bar parts in turn having respective bar ends. A pair of connectors of the bar ends are secured to respective vertebrae of the succession. Respective pivots between the connectors and the respective ends define therebetween respective generally parallel axes transverse to the plane. A main abutment movable along and flexible on one of the parts and longitudinally engageable with the other of the parts serves for limiting relative longitudinal displacement of the parts toward each other. Thus the main abutment can be moved along the one part to increase the spacing between the ends and thereby can straighten the succession of vertebrae between the connectors.

REFERENCES:
patent: 2774350 (1956-12-01), Cleveland, Jr.
patent: 3242922 (1966-03-01), Thomas
patent: 3997138 (1976-12-01), Crock et al.
patent: 4289123 (1981-09-01), Dunn

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