New special hollow compression screw of kneecap fracture

The utility model belongs to the field of medical equipment. The kneecap internal fixation of fracture has multiple operation method at present, like steel wire internal fixation method, add that steel wire tension band with the ke shi needle is fixed, memory alloy gathers kneecap ware etc. Nevertheless owing to lack the set screw of a simple easy use, the steel wire slippage often can appear and then skin, secondary operation scheduling problem appear pricking. The utility model discloses a new special hollow compression screw of kneecap fracture, it is main includes cylinder groove, screw, the cylinder groove is hollow structure, and the tip has a screw thread, the screw includes pole portion and the nut that is provided with the through -hole. Furthermore, cylinder groove both sides are circular interior hexagonal. Furthermore, the nut is goat's horn shape or cylindrical. Using the utility model relates to a product after, the operation process of kneecap internal fixation of fracture becomes simply, work