External fixation device

Details External fixation device External fixation device

1997-01-24

1998-05-19

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 53, 606 54, A61B 1760

Patent

active

057529540

ABSTRACT:
An articulation element for the relative positioning of fixation bars or bone pins of an external fixator includes a plurality of pairs of jaws. The jaws have on their adjacent faces grooves which form a passage intended to receive a bar or a pin. A spring is interposed between the pairs of jaws. The grooves which form the passage are positioned and arranged so as to have an external opening allowing the bar or bone pin to be snapped in by pressure on it, from the opening of the jaw into the passage, against the spring force which presses the adjacent faces of the jaws against one another. This force holds the articulation element on the bars or pins before locking of the articulation by the tightening of a clamping shaft.

REFERENCES:
patent: 575631 (1897-01-01), Brooks
patent: 3154331 (1964-10-01), Engelhardt
patent: 4700437 (1987-10-01), Hoshine
patent: 5451225 (1995-09-01), Ross, Jr. et al.
The New Open Universal Clamp for the External Aixaton Tubular System of the AO/ASIF.

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