Surgical strut for treatment of the back-bone

Details Surgical strut for treatment of the back-bone Surgical strut for treatment of the back-bone

1983-01-10

1983-09-20

Frinks, Ronald L.

Surgery

Truss

Perineal

128 92R, 128 92E, A61F 501

Patent

active

044049676

ABSTRACT:
A surgical strut for the treatment of the back-bone built of a rod having a circular cross-section provided with a thrust pin protruding at one side, a longitudinally cut sleeve mounted on the rod and a pectoral hook and a lumbar hook fitted on spinous processes of vertebrae. Along the cut of the sleeve skew recesses are made which constitute bearing surfaces for the pin mounted in the rod.
One end of the sleeve, closer to the end of the rod, has the outer surface in a form of a cone. On the said surface the pectoral hook rests whose part of the inner surface of the hole is also conical forming the seat for the conical end of the sleeve. The thrust pin, the sleeve and the pectoral hook are situated on the same end of the rod of the strut.
On the other end of the rod the lumbar hook of the known design is mounted. Skew recesses in the sleeve depending on the required adjustment pitch of the length of the strut are situated on the same side or alternately on both sides of the cut of the sleeve.

REFERENCES:
patent: 4257409 (1981-03-01), Bacal et al.
patent: 4269178 (1981-05-01), Keene
patent: 4369770 (1983-01-01), Bacal et al.

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