The Clinical Comparison Of Fracture Of Shaft Of Femur: Intramedullary Interlocking Nail Versus Rotary Self-locking Intramedullary Nail

Objective: The purpose of the paper is to provide a clinical reference by comparing the clinical comparison of fracture of shaft with the intramedullary interlocking nail and with the rotary self-locking intramedullary nail.Methods: We take 71 fresh fracture of shaft for example, 55 male and female with average age of 33.5(from 12 to 68 years old ), including 8 compound fracture, 33 transverse fracture, 21 oblique fracture, 8 coiling fracture, 7 therypsis and 2 multiplestage fracture; 54 stable fracture, 17 unstable fracture; 36 fracture on the left, 33 fracture on the right and 1 fracture on both side bone. They are all fresh fracture. We fix the interlocking nail with different structure, different ways and different mechanics characteristic. 38 and 33 rotary self-locking intramedullary nail is used in the treatment. The patients of the intramedullary interlocking nail group are fixed with the bone nail. After the operation, they are used the departmeng of orthopaedics traction table and the image intensifier. The patients can make functional movements at once after operation. Four to fivedays later, they can carry the weight of 10-15kg. The patients of the rotary self-locking intramedullary nail group also use the intramedullary nail in the operation. They can recovery their joint function after wound is healed. Both groups are contrasted on the vitodynamics, operation procedure, fracture healing time, functional recovery of the affected ectremity, the operation indication, and so on.result: The bones of 71 patients all get union in a year. One in the intramedullary interlocking nail group is infected the incisional wound. But he gets secunda intention after changing dressings. A month after the operation, 5 knee joint activities are subjected to a limit , and 1 articulatio joint activity is subjected to a limit. 3 months after the operation, 2 knee joint activities are subjected to a limit. 6 months after the operation, a movable degree with crooked knee joint gets to 90°. 1 year later, the angle of bending reaches 120°. One example is found the distal lock pin adrift in the revision. We put much plaster external fixation for expectant treatment. Four to six months after operation, we can see osteotylus on the X-ray of all the patients. All the patients get a satisfied treatment.Conclusion: Current design of bone nail in domestic and international treatment is varied, and each characteristics. The intramedullary interlocking nail and the rotary self-locking intramedullary nail are popular. The clinical comparison of the group indicates intramedullary interlocking nail is better than the rotary self-locking intramedullary nail. It's a good way to cure the fracture of shaft. Meanwhile, carry on surgical operation request, shut to match to reset, accurate openings position, right of enter a needle direction, precision of technique, stability of hand over a lock can reduce surgical operation effectively to the influence of articulatio , knee joint and bone function. The screw-plug bone nail can cure the stable fracture. It can lighten the hurts of the operation and shorten the operating time. It doesn't need the image intensifier to help. It can be developed well in the grass-root hospitals.