人工膝關節術後定位系統; The positioning system for the post-arthroplasty

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题名:	人工膝關節術後定位系統;The positioning system for the post-arthroplasty
作者:	李承祖;Cheng-tzu Li
贡献者:	生物醫學工程研究所
关键词:	API;Solikworks;術後定位系統;全置;人工膝關節;API;Solidworks;positioning system for the post-arthroplasty;total knee arthroplasty;artificial knee
日期:	2009-06-30
上传时间:	2009-09-21 09:45:37 (UTC+8)
出版者:	國立中央大學圖書館
摘要:	近年來，隨著醫學技術的進步發展與老年人口的增加，人工膝關節的置換手術已經是相當普遍與常見的。人工膝關節的置換經常在手術後的數年，由於中間的塑膠墊片磨耗情況嚴重而需要做再手術之置換。然而，醫師在為病人看診時，習慣透過X 光影像來為病人體內的人工膝關節之相關情況做推測診斷，但在X 光影像中塑膠材質是無法清楚的呈現出來，再加上X 光影像所能提供給醫師的相關訊息不足，這些都會導致醫師無法明確的清楚了解人工膝關節在病人體內的真實情況。因此，本研究希望能夠發展出人工膝關節術後的定位系統。利用視窗型程式Visual Basic 6.0 並搭配SolidWorks API 的指令，開發出一套自動化的定位平台。藉由兩張X 光影像中所提供之特徵點座標資訊，將人工膝關節之CAD 模型在軟體中完成自動定位，真實的重現出體內人工膝關節之對位情形，並對於定位後之結果進行更進一步之探討。使本研究之相關平台軟體實際的與臨床做結合，以提供未來醫師與病人在看診時有更好的依據與保障。 In the recent years, within the development of medical technology and the increase of aged population, the artificial knee-joint arthroplasty has become widely adopted. A few years after the surgery, patients need to have another surgical operation for replacing the artificial joint, due to the wastage of its tibial insert. However, when doctors examine the condition of the artificial joint through X-rays, they cannot see the tibial insert clearly. In addition, X-rays offer little information that doctors have vague understanding about the actual condition of the artificial joint in the patients’ bodies. Therefore, the objective of the research is to develop the positioning system for the post-arthroplasty. By using the windows program, Visual Basic 6.0, with the command of SolidWorks API, we build an automatic positioning platform. Through the characteristic point coordinate in two X-rays, the CAD model in the artificial knee-joint would automatically position itself in the system, truly reflecting the joint’s position in bodies and further probing into the result. We seek to integrate the system with the clinical practices, offering doctors and patients better information as well as assurance for diagnosis in the future.
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