External fixator

Details External fixator External fixator

1998-11-10

1999-08-31

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

606 54, A61B 1760

Patent

active

059447192

ABSTRACT:
An external fixator for setting fractured bones, comprising a flexible, articulable column comprised of a series of ball and socket members linked by a tensioning cable threaded therethrough. Tightening the cable forces the ball and socket members together and makes the column rigid. There is a mechanism for tightening the cable and keeping the cable in a tightened position to allow the bones to set without moving. A plurality of pivotable pin holders are arranged along the column for attaching to pins inserted into the fractured bones, thus attaching the column to the bones to be set. There is also a mechanism for fixing each pin holder into a rigid position so that there can be no pivoting motion after the proper position of the fixator has been achieved. The external fixator according to the invention has the advantage of added flexibility during positioning of the fixator onto the fractured bones, while being able to obtain the necessary rigidity for proper bone setting.

REFERENCES:
patent: 4714076 (1987-12-01), Comte
patent: 4745913 (1988-05-01), Castaman
patent: 5019077 (1991-05-01), De Bastiani
patent: 5320622 (1994-06-01), Faccioli
patent: 5649925 (1997-07-01), Alacreu
patent: 5788695 (1998-08-01), Richardson

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