Figure 4From: Treatment of osteonecrosis of the femoral head with focal anatomic-resurfacing implantation (HemiCAP): preliminary results of an alternative optionSurgical step 2. Implantation of the tapered titanium screw securely by the screwdriver, after proper taping over the guide K-wire and sizing of the medial, lateral, anterior, and posterior contours with the contact probe.Back to article page