拇外翻術后行“裹簾法”外固定對截骨端穩(wěn)定性的影響
發(fā)布時間:2018-05-20 22:40
本文選題:拇外翻 + 生物力學; 參考:《中華中醫(yī)藥雜志》2017年05期
【摘要】:目的:分析"裹簾法"外固定方式對截骨端造成的應力環(huán)境,證實微創(chuàng)截骨手法整復術后行"裹簾法"外固定的可靠性。方法:在新鮮尸體標本上模擬微創(chuàng)第1跖骨截骨術,并行"裹簾法"外固定,在力學測試平臺上測量截骨端相對位移變化情況、截骨端及趾蹼間應力數(shù)據(jù)。結果:"裹簾法"外固定下截骨端位移(0.27±0.03)mm,對截骨端愈合不會產(chǎn)生不利影響;"裹簾法"外固定下截骨端壓力(21.03±1.93)N,趾蹼間受夾墊壓力(4.89±0.42)N。結論:微創(chuàng)截骨手法整復術后截骨端存在微動,對截骨端愈合不會產(chǎn)生不利影響,截骨端愈合方式符合軟骨內(nèi)成骨。
[Abstract]:Objective: to analyze the stress environment at the end of osteotomy caused by the external fixation of "wrapped curtain method", and to confirm the reliability of the external fixation of "wrapped curtain method" after minimally invasive osteotomy. Methods: the first metatarsal osteotomy was simulated on the fresh cadavers. The relative displacement of the osteotomy end and the stress data between the osteotomy ends and the toe webbed were measured on the mechanical test platform. Results: the end displacement of osteotomy was 0.27 鹵0.03mm under external fixation, and the end pressure of osteotomy was 21.03 鹵1.93nnand the pressure between toe webbed was 4.89 鹵0.42n. the end pressure of osteotomy was 21.03 鹵1.93nnand the pressure between toe webbed was 4.89 鹵0.42n. Conclusion: there is fretting at the end of the osteotomy after minimally invasive manual osteotomy, which will not have adverse effect on the healing of the osteotomy, and the healing mode of the osteotomy is in accordance with the osteogenesis in the cartilage.
【作者單位】: 中國中醫(yī)科學院望京醫(yī)院;山西省大同市第二人民醫(yī)院;中國中醫(yī)科學院廣安門醫(yī)院南區(qū);
【基金】:國家自然科學基金項目(No.81373802,No.81573800) 北京市自然科學基金項目(No.7162205)~~
【分類號】:R658
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,本文編號:1916576
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