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- W4236070468 abstract "Objective: To develop an accurate and reproducible technique for inserting Oxford Unicompartmental arthroplasties.Materials and Methods: A protocol was developed to accurately position the femoral component of the Oxford Unicompartmental arthroplasty using computer-enhanced techniques. A dynamic reference body (DRB) is inserted into the femur, then antero-posterior (AP) and lateral fluoroscopic images are taken of the proximal femur. These images are digitized and entered into 3D space using a registered fluoroscopy machine. The femoral guide from the Oxford system is then placed on the medial femoral condyle in the standard manner. Holes are drilled directly towards the center of the femoral head using a registered drill. The femoral cuts are then made using the standard instruments from the Oxford set.Results: This procedure was carried out on 15 sawbone femurs. Component position was determined by measuring radiographs after a trial component had been inserted. The average lateral error was 1.2° (standard deviation [SD] = 1.207), compared to 4.1° (SD = 2.875) with the standard technique. The average AP error was 2.5° (SD = 1.767), compared to 5.1° (SD = 2.219) with the standard technique. The differences in accuracy in both planes were statistically significant (p = 0.002 for AP, 0.001 for lateral).Conclusion: Using a Fluoroguide-assisted technique, we were able to insert the femoral component more precisely than when using the standard technique as described by the manufacturer." @default.
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- W4236070468 date "2004-01-01" @default.
- W4236070468 modified "2023-09-27" @default.
- W4236070468 title "Computer-enhanced insertion of the Oxford Unicompartmental arthroplasty: a Fluoroguide technique" @default.
- W4236070468 doi "https://doi.org/10.1080/10929080400019443" @default.
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