Hans Curd Frei
Affiliation: Kantonsspital Winterthur
- Central head perforation, or "cut through," caused by the helical blade of the proximal femoral nail antirotationHans Curd Frei
Department of Surgery, Kantonsspital Winterthur, Winterthur, Switzerland
J Orthop Trauma 26:e102-7. 2012..The advantage of the blade is believed to originate from bone impaction and a larger bone-implant interface in comparison with the lag screw design, with consequential greater mechanical resistance to torsion in the cancellous bone...