Bone transport device used for massive bone defects
A handling device and segmental bone technology, which is applied in the field of devices for the treatment of large segmental bone defects, can solve the problems of poor mechanical stability of single-rod external fixation brackets, the inability to bear early weight on the affected limb, and the inability to adjust the line of force, etc., so as to avoid bad line of force , convenient clinical care, and good patient compliance
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Embodiment 1
[0042] Example 1 Figure 1 to Figure 9 As shown, it is suitable for the removal of a large segment of tibia bone defect. According to different bone conditions of the patient, the intramedullary main nail can be set into three types.
[0043] The first is for patients with osteoporosis, such as Figure 1 to Figure 4 As shown, the present invention includes an intramedullary main nail 1 for axially driving bone. The intramedullary main nail 1 has an amplitude that is consistent with the anatomical structure of the human tibia, and the two ends are provided with common fixation screws. Locking hole 13. The two ends of the intramedullary main nail 1 are provided with fixing screw holes 11, and the middle part is provided with a long carrying hole 12 along the axial direction; it also includes a fixing bracket 4 and a number of fixing screws 2; the rear end of the fixing screw 2 is connected to The fixing bracket 4 is connected, and the front end is matedly connected with the fixing ...
Embodiment 2
[0051] Example 2 such as Figure 10 to Figure 18 As shown, it is suitable for the removal of large segmental bone defects of the humerus. According to different bone conditions of the patient, the intramedullary main nail can be set into three types.
[0052] The first is for patients with osteoporosis, such as Figure 10 to Figure 13 As shown, the present invention includes an intramedullary main nail 1 for axially driving bone. The intramedullary main nail 1 has an amplitude that is consistent with the anatomical structure of the human humerus, and has two ends for matching with ordinary fixation screws. Locking hole 13; its proximal end is also provided with a knife hole 14 and a spiral blade 15 matching the knife 14 hole. The two ends of the intramedullary main nail 1 are provided with fixing screw holes 11, and the middle part is provided with a long carrying hole 12 along the axial direction; it also includes a fixing bracket 4 and a number of fixing screws 2; the rear end o...
Embodiment 3
[0060] Example 3 such as Figure 19 to Figure 27 As shown, it is suitable for the removal of femoral bone defects. According to the different bone conditions of the patient, the intramedullary main nail can be set into three types.
[0061] The first is for patients with osteoporosis, such as Figure 19 to Figure 22 As shown, the present invention includes an intramedullary main nail 1 for axially driving bone. The two ends of the intramedullary main nail 1 are provided with fixing screw holes 11, and the middle of the intramedullary main nail 1 is provided with a long carrying hole 12 along the axial direction. The main intramedullary nail 1 is straight, with locking holes 13 for cooperating with ordinary fixing screws at both ends; all the locking holes 13 and fixing screw holes 11 are located on the same plane; the main intramedullary nail 1 is also An oblique locking hole 13 is provided, and the included angle with the main intramedullary nail 1 is 60° or 120°. It also includ...
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