Compact external fixation device

Details Compact external fixation device Compact external fixation device

1997-04-02

1999-09-14

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

606 64, A61B 1760

Patent

active

059515562

ABSTRACT:
A compact external fixation device for the treatment of bone fractures of reduced dimensions and of children comprises a pair of clamps (2, 3) for bone screws (V) connected by respective spherical joints (5, 6) and a central body (4) formed by at least one male element (7) and one female element (8) which are telescopically coupled. In a preferred embodiment, one element (7) is made of a material of high radiotransparency and the other element (8) is made of a substantially radiopaque rigid material with walls of such minimum thickness as to be at least partially radiotransparent. Antirotation means are provided between the male telescopic element (7) and the female telescopic element (8); transverse eccentric pins (34, 35) contained in each clamp act on respective slides (28, 29) for locking the ball (24, 25) of each joint. The fixation device permits complete radioscopy of the fracture even through the central body; the device is light in weight and of small dimensions, due to the provision of the means for locking the joints within the clamps.

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Orthofix Srl.,"Orthofix.RTM. The Pennig Dynamic Wrist Fixator, Operative Technique", Mar. 25, 1993, 47 pages.

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