本文選題：膝內(nèi)翻 + 膝外翻　； 參考：《重慶醫(yī)學(xué)》2017年17期

【摘要】：目的利用3D打印技術(shù)研制個(gè)體化膝部體外導(dǎo)板,探討其應(yīng)用于8字鋼板骨骺阻滯術(shù)的可行性。方法對(duì)2014年1月至2016年1月該院診治的12例膝內(nèi)外翻患兒(男7例,女5例;平均年齡8.2歲,膝關(guān)節(jié)伸直位時(shí)完成下肢連續(xù)螺旋CT掃描,將Dicom格式存儲(chǔ)的CT數(shù)據(jù)導(dǎo)入Mimics 15.0中,重建膝關(guān)節(jié)三維模型。將重建后的膝關(guān)節(jié)數(shù)據(jù)以.stl格式導(dǎo)入Geomagic 11.0軟件中,根據(jù)置釘不穿破骨骺和關(guān)節(jié)面、與骨骺平行、位于骨骺前后中線的要求,設(shè)計(jì)出8字鋼板置釘導(dǎo)航模板;利用3D打印技術(shù)打印出導(dǎo)航模板;術(shù)中通過模板定位,行8字鋼板及螺釘內(nèi)固定,術(shù)后CT評(píng)估置釘位置。結(jié)果經(jīng)過影像學(xué)驗(yàn)證,應(yīng)用3D打印個(gè)體化體外導(dǎo)板對(duì)12例患者行8字鋼板骨骺阻滯術(shù),置釘準(zhǔn)確。病例隨訪6個(gè)月至2年,均取得滿意矯形效果。結(jié)論 3D打印制作個(gè)體化膝部體外導(dǎo)板,輔助8字鋼板骨骺阻滯治療兒童膝內(nèi)外翻畸形,置釘位置精準(zhǔn),療效滿意。
[Abstract]:Objective to study the feasibility of using 3 D printing technique to develop an external guide plate for 8-character plate epiphysis block. Methods from January 2014 to January 2016, 12 patients (male 7, female 5) with knee varus were treated in our hospital. The average age was 8.2 years old, and the CT scan of lower extremity was completed when the knee joint was straight, and the CT data stored in Dicom format were imported into Mimics 15.0. Reconstruction of three-dimensional model of knee joint. The reconstructed knee joint data were imported into Geomagic 11.0 software in the format of .stl. According to the requirement that the nail was not broken through the epiphysis and the articular surface, and was parallel to the epiphysis and was located in the central line of the epiphysis, the 8-character plate nail placement navigation template was designed. The navigation template was printed out by 3D printing technique, and the position of nail was evaluated by CT after operation. Results 12 patients were treated with 8-character plate epiphysis block by 3D printing individualized external guide plate. The nail placement was accurate. The patients were followed up for 6 months to 2 years and satisfactory orthopedic effect was achieved. Conclusion 3D printing is an external guide plate for the treatment of deformity of the knee in children with 8-character plate epiphysis block. The placement of nail is accurate and the curative effect is satisfactory.
【作者單位】： 云南省昆明市兒童醫(yī)院骨科;云南省昆明市兒童醫(yī)院放射科;
【基金】：云南省科技廳-昆明醫(yī)科大學(xué)聯(lián)合專項(xiàng)(2013FZ293)
【分類號(hào)】：R726.8

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