URV - Ulnar- and Radius Shortening System

Ulna-shortening is a widely accepted procedure for the treatment of ulna-impaction syndrome. During the closure of the osteotomy gap often rotational difficulties occur. This is due to the tension of the surrounding soft tissue. In order to prevent non-unions a new plate with sliding holes was introduced, which allows a shortening of the ulna of up to 10 mm.

The osteotomy is performed while the plate is loosely fixed to the ulna and therefore prevents malrotation of the osteotomy parts. Eccentric placement of two more screws and placement of a lag screw across the oblique osteotomy leads to further compression at the osteotomy site. This reduces non-unions and the surgical technique is simplified.

Indication

Impaction syndrome of the ulna and radius

Advantages

• Rotational stability through plate positioning before the osteotomy
• Low pseudarthrosis rate
• Combi-Drive screws allow the use of hexagonal and Torx screwdrivers
• Shortening of up to 10 mm

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