X光影像之髖關節與膝關節手術電腦輔助術前評估規劃

On the Development of a Computer Aided Preoperative Planning System Based on X-Ray Images for Hip Joint Surgery and Knee Joint Surgery

劉彥甫(Yen-fu Liu)

指導教授 ： 賴景義

國立中央大學/工學院/機械工程學系/碩士(2012年)

摘要

台灣步入高齡化社會，老年人的骨科疾病也日益趨多，其中因意外失足、年老退化等引起的關節手術尤為常見。目前手術前的規劃、醫病解說等，大多以口頭方式說明，解說的輔助工具包括病患X光影像、衛教圖片、人工骨與植入物等，實際上病患或其家屬在手術前真正能了解的資訊相當有限。提升醫病關係是政府所推動醫療政策，並隨著電腦軟、硬體科技與醫學影像技術的進步，電腦輔助醫病解釋系統的開發應是解決醫師解釋病情與手術治療的重要工具。在下肢骨折的診斷與手術實施中，大多數僅使用X光影像作為診斷與手術評估的資訊，即使電腦斷層在大多數醫院均已具備，X光仍是節省成本且不可取代的工具。因此，本研究擬發展以髖部骨折手術與人工關節置換手術為主的術前評估規劃系統，系統主要開發項目包含：(1) X光影像之輪廓辨識(2)髖關節DHS手術醫病解釋(3)人工膝關節手術術前規劃(4)觸控操作醫學影像系統等，藉此提供快速的圖像資訊、量化工具以及硬體的輔助，提升病患對於病發部位、手術告知以及術後復原狀況了解，同時希望能讓醫師進行術前規劃。

關鍵字

膝關節 ； 醫病解說 ； 術前規劃 ； 輪廓辨識 ； 髖關節

並列摘要

The elderly orthopedic diseases are getting more and more popular recently as Taiwan has gone into aging society. Joint operation is a common surgery due to accident slip, degradation, etc., which occurs frequently in elderly people. At present, the preoperative planning and medical treatment explanation are mostly performed with verbal instructions. It is usually difficult for the patients and their families to fully understand the surgical process and the risk which might occur. Improving doctor-patient relationship is an important issue and is a government health care policy. With the advance in computer software and medical imaging technology, computer-assisted medical treatment system should be an important tool to help doctors in explanation. Although computed tomography has been widely used in most hospitals, its implementation in diagnosis and surgery for lower limb fractures is still limited. Most doctors use X-ray only in daily diagnosis and surgical planning for lower limb operation. This study aims to develop a preoperative assessment and planning system for hip fracture surgery and artificial joint replacement surgery. The proposed preoperative planning system is mainly composed of the following functions: (1) X-ray image contour detection, (2) hip DHS surgery assessment and explanation, (3) knee surgery preoperative planning, and (4) a touch screen operating mode for the entire system. It is expected that the proposed system can provide fast image information, quantitative tool for evaluation and hardware assistance to enhance the understanding of the disease site, surgical informing and the understanding of recovery status. Moreover, doctors can employ it for the preoperative planning of lower limb surgery.

並列關鍵字

knee surgery ； patient-doctor relationship ； preoperative planning ； contour detection. ； Femur surgery

參考文獻

[1] D. L. Pham, C. Xu and J. L. Prince, “Current methods in medical image segmentation”, Annual Review of Biomedical Engineering, Vol. 2, pp. 315-337, 2000.

[3] T. Brox and J. Weickert, “Level set segmentation with multiple regions”, IEEE Trans. Image Process, Vol. 15, No. 10, pp. 3213-3218, 2006.

[4] S. Lankton and A. Tannenbaum, “Localizing region-based active contours”, IEEE Transactions on Image Processing, Vol. 17, No. 11, pp. 2029-2039, 2008.

[5] C. Li, C. Xu, C. Gui and M. D. Fox, “Distance regularized level set evolution and its application to image segmentation”, IEEE Trans. Image Process, Vol. 19, No. 12, pp. 3243-3254, 2010.

[6] Y. Chen, X. H. Ee, W. K. Leow and T. S. Howe, “Automatic extraction of femur contours from hip X-ray images”, CVBIA 2005, Lecture Notes in Computer Science, Vol. 3765, pp. 200-209, 2005.