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Table 1 Parameters of total hip prostheses (U2, United Orthopedic Corporation, Hsinchu, Taiwan).

From: THR Simulator – the software for generating radiographs of THR prosthesis

Acetabular shell diameter(mm) Acetabular insert thickness (mm) Femoral head diameter (mm) Acetabular shell thickness (mm)
44 6.9 28 1.1
46 7.9 28 1.1
48 6.9 28 3.1
50 7.9 28 3.1
52 8.9 28 3.1
54 9.9 28 3.1
56 10.9 28 3.1
58 11.9 28 3.1
60 12.9 28 3.1
62 13.9 28 3.1