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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.
Bipolar hemiarthroplasty of the hip is a routinely done procedure in the elderly with neck of femur fractures. An uncommon yet widely recognized complication is the dislocation of...
13 lip 2024 · However, in a bipolar hip arthroplasty, only the ball of the femur is replaced with a special implant called a bipolar prosthesis. The bipolar prosthesis itself is a two-part implant. It has a metal stem that fits into the hollow shaft of the femur and a smooth, articulating head.
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.
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).
14 sie 2024 · Bipolar hip replacement is a type of partial hip replacement where the femoral head (the ball) is replaced with a prosthetic implant. Unlike total hip replacement, which replaces both the ball and the socket, bipolar hip replacement involves only the femoral head.
