臺灣博碩士論文加值系統

骨盆為一個環狀的結構，其附近分布有許多神經及血管。骨盆除了在身體結構上連結人體脊椎與下肢，更肩負起保護人體消化、泌尿系統等器官之功能。在生活上，骨盆常因意外事故而承受強大的外力撞擊並致使骨盆骨折的發生，而其中對於骨盆之恥骨部份的骨折，更是容易造成患者生活上與行動上之不便與痛楚，為了改善患者之生活品質，在臨床上往往必須透過手術方式用以改善甚至恢復患者之生活品質。
為了瞭解不同手術方式對於骨折骨盆之效益，本研究分別以有限元素法與光測力學法之數位影像相關法，分別透過數值模擬與實驗力學之方式，用以研究在臨床上四種不同骨盆手術方式之優缺點比較。在有限元素分析模擬中，分別探討人體於坐著與站立時，不同的手術固定方式對於骨盆聯合處以及骨折處的影響，模擬過程中並使用彈簧元素用以模擬人體肌肉與韌帶，了解肌肉與韌帶對於人體骨盆之功用與影響，並透過模擬與實驗量測結果之比較，探討骨折骨盆於手術前後之力學行為變化。本研究所得之研究結果，可供醫生做為臨床手術上建議與依據。

The pelvis is a ring-shaped structure with many nerves and blood vessels distributed nearby. In addition to connect the spine and lower limbs, the pelvis also provides the function to protect the digestive and urinary systems. However, in many occasions, the pelvis may be injured in an accident to result in fracture and pubic fracture could frequently cause the inconvenience in life and significant pain for a patient. To improve the patient’s life quality, it is constantly necessary to perform a surgery to ameliorate or even recover the patient’s life quality.
In order to understand the benefits of different surgical methods in clinical practice, this research aims to numerically and experimentally investigate their influence on the mechanical behaviors using finite element method (FEM) and the digital image correlation (DIC) of photomechanics, respectively. In the FEM simulation, the models of different surgical methods under siting and standing conditions are successively established to analyze their influence on the region around symphysis pubis and fracture. Furthermore, the spring element is also utilized to simulate the muscles and ligaments in FEM analysis to clarify their function provided and influence caused. From the results comparison of numerical simulation and experimental measurement, the changes in the mechanical behaviors of pelvis fracture before and after surgical treatments are explored and discussed. The research results obtained in this study could provide the recommendations in the surgery.

摘要.....i
Abstract.....ii
誌謝.....iii
目錄.....iv
表目錄.....vi
圖目錄.....vii
第1章 緒論.....1
1.1 前言及研究動機.....1
1.2 骨盆骨折固定手術介紹.....4
1.3 文獻回顧.....8
1.4 論文架構.....14
第2章 有限元素模擬.....15
2.1 有限元素模擬流程.....15
2.2 骨盆模型建立.....16
2.3 有限元素分析法.....20
2.3.1 材料參數.....21
2.3.2 邊界負載條件.....22
2.4 恥骨骨折分析.....23
2.5 有限元素模擬選取點位說明.....27
第3章 生物力學實驗.....28
3.1 數位影像相關法.....29
3.2 實驗模型.....30
3.3 實驗用具.....32
3.4 實驗步驟.....35
3.5 實驗模型分析點位說明.....36
第4章 有限元素分析與實驗結果.....38
4.1 有限元素分析結果.....38
4.2 實驗結果.....46
第5章 結論與未來展望.....65
5.1 結論.....65
5.2 未來展望.....66
參考文獻.....67

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