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題 名 | Computer-Aided Reconstruction of Traumatic Fronto-Orbital Osseous Defects: Aesthetic Considerations=創傷性額眶骨缺損的電腦輔助重建:一個美觀的考量 |
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作 者 | 羅綸洲; 陳昱瑞; 曾清秀; 李明義; | 書刊名 | 長庚醫學 |
卷 期 | 27:4 2004.04[民93.04] |
頁 次 | 頁283-291 |
分類號 | 416.413 |
關鍵詞 | 額眶骨缺損; 電腦輔助重建; 個別植入物; 快速成型模型; Fronto-orbital defect; Computer-aided reconstruction; Custom implant; Rapid prototyping models; |
語 文 | 英文(English) |
中文摘要 | 背景:額眶骨缺損的重建,除了達到改善功能的目標,也要能獲得滿意的外觀。這項研究是報告應用三度影像資料和電腦輔助性製造技術,以製造個別的植入物,重建缺損。 方法:術前的三度電腦斷層資料經重整及顯像,做為缺損部份的評估,植入物的製造則是藉由電腦輔助設計/電腦輔助製造的軟體程式達成,實物模型則是利用快速成型系統來做成,做出來的植入物及頭骨模型則用來做手術演練。下一步則是製作負模,以便在手術中用人工骨水泥做出缺損的植入物。利用這種方法,我們重建了四個病人的創傷性額眶骨缺損,追蹤的時間從29至55個月之久。 結果:所有的病例顯示這種方法製成的植入物能完美的符合缺損的形狀大小,達到額眶骨對稱正常的外觀,決有發生憤通中、手術後的併發症,所有的病人都滿意手術的結果。 結論:以這種應用電腦輔助來製造植入物,來重建額眶部的創傷性缺損 ,是一個可靠而有效的方法,進而減少麻醉時間,達到滿意的外觀。 |
英文摘要 | Background: In addition to functional goals, a satisfactory aesthetic outcome is important for reconstruction of fronto-orbital osseous defects. The purpose of this study is to report on a method for resurgical fabrication of custom implants using 3-idmensional (3-D) imaging data and computer-assisted manufacturing techniques. Methods: Preoperative 3-D computed tomography data were processed and displayed for evaluation of defects. Implants were created by a computer-aided design/computer-aided manufacturing (CAD/CAM) program. A rapid prototyping system was applied for production of the physical models. Rehearsal of surgery was performed using the implants and skull models. Negative castings were created and were used during the operations to prepare the surgical implant utilizing methyl methacrylate. Traumatic fronto-orbital defects in 4 patients were reconstructed using this methods. The follow-up period ranged from 29 to 55 months. Results: Results showed that the custom implants perfectly fit the defects during the operation. Symmetry and normal fronto-orbital contours were achieved. There were no peri- or postoperative complications. All patients were satisfied with the results. Conclusions: Computer-aided presurgical simulation and fabrication of implants is a reliable and effective method for the reconstruction of traumatic fronto-orbital defects, with reduced anesthesia time and improved aesthetic outcomes. |
本系統中英文摘要資訊取自各篇刊載內容。