Boriani S, Bettelli G
Istituto Ortopedico Rizzoli, Clinica Ortopedica dell'Università di Bologna.
Chir Organi Mov. 1990 Jan-Mar;75(1):67-70.
The Gamma nail is a new device used in the treatment of pertrochanteric fractures in the elderly in which the principles of locked intramedullary nailing are applied. It is constituted by an intramedullary nail crossed in the proximal segment by a cervico-cephalic screw, by which compression of the fracture segments may be obtained. It is furthermore possible to obtain distal locking by means of two screws, such as for Grosse-Kempf nailing. It constitutes an alternative to Ender nailing, screw-plate, and nail-plate. Our experience with 31 cases did not reveal any differences as compared to what occurs with Ender nailing with regard to surgical stress. Instead, a shorter amount of time seems to be required for functional recovery, as the stability of the assembly allows for early weight-bearing.
伽马钉是一种用于治疗老年人股骨转子间骨折的新型器械，它应用了带锁髓内钉的原理。它由一根髓内钉和一根经股骨颈头端的螺钉组成，髓内钉近端被该螺钉穿过，通过这根螺钉可对骨折段进行加压。此外，还可以像使用格罗斯-肯普夫钉那样，通过两根螺钉进行远端锁定。它是埃nder钉、螺丝钉板和钉板的替代方案。我们对31例病例的经验表明，与埃nder钉相比，在手术应激方面没有发现任何差异。相反，由于该装置的稳定性允许早期负重，功能恢复似乎所需时间更短。
