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With respect to the founding of the AOVET in 1969, the development of the systematic osteosynthesis in large and small animals is reviewed. With the introduction of the stable OS techniques corresponding to the principles and operative techniques developed by the organization of ASIF/AO (hum), the systematic operative fracture treatment in animals expanded remarkably. The application of the "absolutely" stable compression osteosynthesis was the basis for the successful fracture treatment in large animals. The systematic osteosynthesis in small animals was realized through the generation of a multitude of stabilization techniques for the different fracture types in the various anatomical areas and for special orthopaedic interventions. This was achieved through a specifically developed implant- instrument system and corresponding operation methods. This development was supported by instruction courses, published manuals and visiting fellowships. The extensive collaboration in research and development led to an increasing understanding of the diverse bone healing processes. The AOVET enjoyed a progressing integration into the AO/ASIF (hum) organization.

A patient with simultaneous closed dislocation of the metacarpophalangeal joints of the index, long, and ring fingers and an ipsilateral fracture of the radius with an associated fracture-dislocation of the distal radioulnar joint is presented. This is the first such case to be described. The mechanism of injury was a fall on an outstretched hand. The dislocations of the metacarpophalangeal joints were successfully reduced by open relocation through dorsal approaches. The fractured radius was treated with open reduction and plate fixation. The patient was placed in a dorsal extension block splint after surgery, and active motion was encouraged. Eleven months later, the patient could make a full fist and extend all fingers. Grip strength was 110 pounds in the right hand, and 100 pounds in the injured left hand.