Use of Ischial Weight-bearing Braces in Osteogenesis Imperfecta

DOI
  • Tada S.
    Shinkoen Crippled Children's Hospital
  • Watanabe Y.
    Saga Crippled Children's Hospital
  • Saita K.
    Department of Orthopedic Surgery Faculty of Medicine Kyushu University
  • Ohmia K.
    Department of Orthopedic Surgery Faculty of Medicine Kyushu University
  • Tono H.
    Department of Orthopedic Surgery Faculty of Medicine Kyushu University
  • Masuda S.
    Department of Orthopedic Surgery Faculty of Medicine Kyushu University

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Other Title
  • 骨形成不全症に対する下肢免荷装具の使用経験

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Abstract

The realignment osteotomy and rodding fixation is the most popular procedure for straightening the deformity of the femur in patient with osteogenesis imperfecta.<br>We have been applying this procedure in most cases with osteogenesis imperfecta, and have applied long leg braces to them after operation.<br>But, insufficient immobilization by long leg brace leads to bowing of the leg recurrently.<br>We designed ischial weight-bearing braces in these cases.<br>A quadrilatieral socket with an ischial seat is used for thigh shell, and a free off-set knee joint promotes the knee stability, and ankle joint is allowed to move 15 degrees forward as well as backward.<br>We have applied these braces in four cases.<br>This design provides a better gait pattern, and prevents the formation of recurrent deformity.

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