Thighbone fixing device

The utility model relates to a medical field's thighbone fixing device, including two piece at least set screw and fixed plate, set screw has hollow structure, and hollow structure female connection guide pin, is equipped with the external screw thread on the outer periphery of set screw's thorn incoming end, and the external screw thread is favorable to set screw to get into in the thighbone and fix with the help of the external screw thread, and the locking performance improves, avoids set screw to move back the risk of nail. In addition, guide pin can realize predetermined position, promptly earlier with guide pin screw out the suitable length of set screw then squeeze into the thighbone with guide pin in, realize tentatively fixing a position, then enter into the thighbone with set screw is rotatory along guide pin's direction, the easy screw in of screw, the location is accurate moreover, has reduced the probability of secondary screw in, has improved the operation success rate greatly.