J Korean Orthop Assoc.  2014 Apr;49(2):172-176. 10.4055/jkoa.2014.49.2.172.

Mechanical Failure in Distraction Osteogenesis Using the Intramedullary Skeletal Kinetic Distractor

  • 1Department of Orthopedic Surgery, CHA Bundang Medical Center, Seongnam, Korea. orthopaedee@naver.com
  • 2Department of Orthopedic Surgery, CHA Gumi Medical Center, CHA University, Gumi, Korea.


In an effort to overcome the drawbacks of distraction osteogenesis using the Ilizarov external fixator, intramedullary lengthening devices have been developed and applied for long bone distraction osteogenesis. Several successful cases have been reported, leading to the next generation of distraction osteogenesis. However, intramedullary lengthening devices have their own problems, such as device failure, difficulty of control of the lengthening degree. The authors report on a case of device failure during distraction osteogenesis using ISKD(R) (Orthofix Inc.) in the distraction phase, and the strategy that involved switching to a lengthening over nail system, which uses the Ilizarov external fixator, in order to obtain the target length.


equipment failure analysis; leg length inequality/surgery; distraction osteogenesis/instrumentation
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