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Fig. 4 | 3D Printing in Medicine

Fig. 4

From: Can 3D surgical planning and patient specific instrumentation reduce hip implant inventory? A prospective study

Fig. 4

The acetabular and femoral PSI guides. The acetabular guide is seated into the acetabulum, and two pins are inserted through attached drill sleeves. The guide is removed, leaving the two pins to act as either a constrained or unconstrained guide to reaming and component placement (a). The femoral guide has a contoured fit to the femoral neck/head and is kept in place for the neck cut by two intraosseous pins (b) [13]

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