Device for externally fixing and/or imparting traction to the ce

Details Device for externally fixing and/or imparting traction to the ce Device for externally fixing and/or imparting traction to the ce

1988-04-21

1990-06-19

Burr, Edgar S.

Surgery

Truss

Perineal

128 69, A61F 500

Patent

active

049343548

ABSTRACT:
Device for externally fixing and/or imparting traction to the cervical spine having a fastening ring attached to the patient's head, the ring having plural outwardly projecting fastening bearings. A plurality of support bearing are affixed to the chest and/or back of the patient and the fastening and support bearing are connected together by plural connecting rods. The connecting and support bearings include clamping elements and ball joints which are connected to the connecting rods by the clamping elements. The ball joints are preferably composed of a pin having a spherical head. The fastening ring includes a bore having an internal thread, the pin having a reduced diameter at its end opposite the spherical head, the pin having an external thread which is threadable into the corresponding internal thread of the bore.

REFERENCES:
patent: 2712820 (1955-07-01), Robinson
patent: 2820455 (1958-01-01), Hall
patent: 3669102 (1972-06-01), Harris
patent: 3957040 (1976-05-01), Calabrese
patent: 4541421 (1985-09-01), Iversen et al.
patent: 4620530 (1986-11-01), Lanier et al.
patent: 4735196 (1988-04-01), Krag

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