Treatment of Dupuytren fracture with absorbable screw in 6 cases
External fixation for 6 weeks.
2 Results This group of 6 patients, followed up for 312 months, an average of 6.3 months. Ankle joint function Olemd and Molander scores were combined with X-ray films at 2, 4, 6, 8, and 12 weeks postoperatively. The results were excellent in 4 cases and good in 2 cases.
3 Discussion SR-PGAPLLA has good biocompatibility, can be completely absorbed in bone tissue, is mainly degraded by hydrolysis reaction, and is excreted by citric acid. The initial bending strength is 170~220MPa, and the flexural modulus is 815GPa. Early in the human body, there is enough strength to make the fracture fixed and reliable. This group has 2, 4, 6, 8, 12 weeks X-ray examination, fixed position No looseness or shifting phenomenon.
Dupuytren fracture is caused by strong valgus of the foot, which can cause internal avulsion fracture, rupture of the infraorbital ligament, separation of the lower end of the humerus and fracture of the lower third of the humerus or middle third of the fracture. Manual reduction is not easy to achieve, multiple surgical treatment. During treatment, the lower 4 è…“ joint needs to be fixed to restore normal axillary points. However, the fixation should not exceed 10 weeks in order to maintain the physiological widening and narrowing of the ankle joint to accommodate the shape of the ankle joint which is narrower and wider than the anterior and posterior body during normal activities. After 6 weeks, the mechanical strength of SR-PGA was weakened. At the same time of losing its strength, the stress gradually shifted to the lower jaw joint, which was well adapted to the physiological characteristics. Six patients were treated with SR-PGA screw fixation and the results were satisfactory.
3.3 Traditional metal internal fixation has large trauma and requires a second removal of internal fixation, which affects the healing and functional exercise of the ankle joint and increases the chance of infection. SR-PGAPLLA overcomes the above shortcomings, and is easy to operate, easy to grasp, and easy to disinfect, in line with orthopedic implant selection standards. Although the price is more expensive, it is still worth promoting.
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