Abstract
The features of micro femoral head prosthesis arthroplasty include removing the necrotic bone tissue through the trochanteric and femoral neck drilling to reduce the pressure on the joint capsule; using a special micro prosthesis to support the femoral head and the metal titanium alloy prosthesis to restore the dome structure; and avoiding cutting off or opening the joint capsule to ensure that the blood supply around the femoral head is not damaged to effectively prevent progression of necrosis and further collapse of the femoral head. [...]it is an retrospective study and may have shortcomings such as selection bias and confounding factors. [...]this is a preliminary short-term follow-up study and the selection of surgical indications for patients is relatively broad. [...]this case series study suggests that micro femoral head prosthesis arthroplasty appears to be a safe and effective technique for ONFH patients with ARCO III to improve hip motion
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Details
1 Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, Shijiazhuang, Hebei 050051, China; Key Laboratory of Biomechanics of Hebei Province, Shijiazhuang, Hebei 050051, China
2 Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, Shijiazhuang, Hebei 050051, China; Key Laboratory of Biomechanics of Hebei Province, Shijiazhuang, Hebei 050051, China; NHC Key Laboratory of Intelligent Orthopaedic Equipment, Shijiazhuang, Hebei 050051, China
3 Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, Shijiazhuang, Hebei 050051, China; Key Laboratory of Biomechanics of Hebei Province, Shijiazhuang, Hebei 050051, China; NHC Key Laboratory of Intelligent Orthopaedic Equipment, Shijiazhuang, Hebei 050051, China; Chinese Academy of Engineering, Beijing 100088, China