S2旨在提供股骨远端髁上骨折的稳定固定，即使是在骨质疏松存在的情况下也可。

适应症：适用于股骨干中远端，股骨髁上及髁间骨折。

规格：10*160mm 股骨髁上交锁髓内钉|10*200mm 股骨髁上交锁髓内钉|10*260mm 股骨髁上交锁髓内钉|10*300mm 股骨髁上交锁髓内钉|11*160mm S2 股骨髁上交锁髓内钉|11*180mm S2 股骨髁上交锁髓内钉|11*200mm S2 股骨髁上交锁髓内钉|11*220mm S2 股骨髁上交锁髓内钉|11*240mm S2 股骨髁上交锁髓内钉|11*260mm S2 股骨髁上交锁髓内钉|11*280mm S2 股骨髁上交锁髓内钉|11*300mm S2 股骨髁上交锁髓内钉|11*320mm S2 股骨髁上交锁髓内钉|11*340mm S2 股骨髁上交锁髓内钉|11*360mm S2 股骨髁上交锁髓内钉|11*380mm S2 股骨髁上交锁髓内钉|13*160mm  股骨髁上交锁髓内钉（4.8螺钉）|13*200mm  股骨髁上交锁髓内钉（4.8螺钉）|13*260mm  股骨髁上交锁髓内钉（4.8螺钉）|13*300mm  股骨髁上交锁髓内钉（4.8螺钉）|13*340mm  股骨髁上交锁髓内钉（4.8螺钉）|13*240mm S2 股骨髁上交锁髓内钉|13*260mm S2 股骨髁上交锁髓内钉|13*280mm S2 股骨髁上交锁髓内钉|13*300mm S2 股骨髁上交锁髓内钉|13*320mm S2 股骨髁上交锁髓内钉|13*340mm S2 股骨髁上交锁髓内钉|13*360mm S2 股骨髁上交锁髓内钉|13*380mm S2 股骨髁上交锁髓内钉