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22 cze 2022 · Bipolar hemiarthroplasty (BHA) is a surgical treatment for femoral neck fractures of the hip. An artificial joint with two bearings replaces the damaged joint. The bearings allow the head to...
10 lis 2020 · Bipolar prostheses do function as originally intended during gait, but movement primarily occurs at the outer bearing during other examinations. The motion patterns of bipolar prostheses change with the increase in acetabular wear.
13 lip 2024 · What is a Bipolar Hip Prosthesis? Imagine a ball and socket joint which is your hip joint. In a healthy hip, the ball (femoral head) at the top of the thighbone fits snugly into the socket (acetabulum) of the pelvis.
10 lis 2020 · The bipolar prostheses used in this study were as follows: UHR™ universal head bipolar system (Stryker Orthopaedics™, USA) in 20 patients and Tandem™ bipolar system (Smith & Nephew™, USA) in 11 patients.
12 sie 2019 · We aimed to clarify the possibility of using bipolar hip arthroplasty (BHA) for degenerative diseases by examining long-term results postoperatively in 336 hips. Patients’ average age was 61.0 years (range, 34–88 years), and the average follow-up period was 12.5 years (range, 5.0–27.3 years).
Use a trial bipolar or unipolar head prosthesis on the definitive stem to confirm appropriate diameter and neck length. The latter affects leg length, soft-tissue tension, and hip stability. With the hip reduced, confirm the range of motion and stability.
25 lut 2024 · In bipolar hip prostheses, a metallic composite component replaces the femoral part of the hip with a small femoral head attached to it that articulates in a metal cup lined by polyethylene. This metal cup can also move inside the native acetabular cartilaginous socket (Fig. 1b).
