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The Journal of Bone & Joint Surgery British Volume
Vol. 75-B, Issue 3 | Pages 448 - 449
1 May 1993
Noordeen M Lavy C Briggs T Roos M

Screw devices used to treat fractures of the femoral neck are usually positioned under image-intensifier control, using anteroposterior and lateral views. The volume projected by these views is over 27% larger than the femoral head; the tips of screws so placed may be outside the femoral head. This can be avoided by placement within the central two-thirds of the head: we have designed a template which can confirm safe placement.