Does the Self-Centering Mechanism of Bipolar Hip Endoprosthesis Really Work in vivo?

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چکیده

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Does the self-centering mechanism of bipolar hip endoprosthesis really work in vivo?

PURPOSES To examine radiographically the component motion in a bipolar prosthesis and to determine whether the self-centering mechanism really works in vivo. METHODS 38 patients with 41 bipolar hip endoprostheses (30 for coxarthrosis and 11 for osteonecrosis of femoral head) were included in this study. Two radiographs of each case were taken to evaluate the self-centering mechanism. The firs...

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Biomechanical and clinical alterations of the hip joint following femoral neck fracture and implantation of bipolar hip endoprosthesis.

The implantation of a bipolar partial hip endoprosthesis is a treatment of choice for displaced medial femoral neck fracture. We present an experimental study which asses and compare biomechanical and clinical status through period before and after hip fracture and implantation of bipolar partial hip endoprosthesis. This study encompassed 75 patients who suffered from an acute medial femoral ne...

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ژورنال

عنوان ژورنال: Journal of Orthopaedic Surgery

سال: 2005

ISSN: 2309-4990,2309-4990

DOI: 10.1177/230949900501300108