腹腔鏡膽囊切除手術模擬系統

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姓名

陳欣沛(Hsin-Pei Chen) 查詢紙本館藏

畢業系所

資訊工程學系

論文名稱

腹腔鏡膽囊切除手術模擬系統
(Laparoscopic Surgical simulation on gallbladder removal)

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★ 外觀守恆及視點相關的多重解析度模塑	★ 腹腔鏡手術模擬系統中的流血特效

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摘要(中)

在本論文的研究中，我們提出一套腹腔鏡手術模擬系統並且強調對膽囊切除手術中重要程序的訓練。我們提出的系統主要包括了五個部分: 即時變形、逼真的力回饋、快速的碰撞偵測、手術動作、以及逼真的視覺呈現。為了使器官快速且逼真地變形，我們提出了兩種軟組織變形的方法：混合式物理變形模塑與綜合式變形模塑。混合式物理變形模塑可以表現快速而精確的物理變形；綜合式變形模塑則可以逼真地同時表現出器官局部的黏彈性變形以及整體性的移動。為了提供逼真的力回饋，我們使用以彈簧模塑為基礎的力回饋計算。另外，我們提供了四種在膽囊切除手術程序裡常用的手術動作：推、夾、釘膽管鉗、以及剪斷膽管。綜合以上所述，我們成功地發展出一套即時、逼真、且具擴充性的腹腔鏡膽囊切除手術模擬系統。

摘要(英)

In this paper, we propose a laparoscopic surgery simulation system which identifies and emphasizes the critical steps in performing the gallbladder removal procedure. The proposed system consists of five components: (i) real-time deformation, (ii) realistic force feedback, (iii) efficient collision detection, (iv) surgical operations, and (v) realistic visualization of the virtual organ models. To realistically deform the soft tissues, we develop two deformation techniques: hybrid physical-based deformation modeling (HPDM) and synthetic deformation modeling (SDM). The proposed HPDM exhibits high speed and physical accurate deformation; the SDM exhibits both local visco-elastic deformation and global motion realistically. To provide a realistic haptic feeling, a force feedback technique based on the mass-spring deformation model is proposed. We also develop four surgical operations necessary for gallbladder removal: pushing, grasping, clamping, and cutting. With these techniques, we successfully develop a real-time, realistic, and expansible laparoscopic surgical simulation for gallbladder removal.

關鍵字(中)

★ 器官變形
★ 膽囊切除
★ 手術模擬

關鍵字(英)

★ Deformation modeling
★ Gallbladder removal
★ Surgical simulation

論文目次

論文摘要I
誌謝II
目錄III
第一章緒論一
第二章相關研究二
第三章混合式物理變形模塑三
第四章綜合式變形模塑及手術動作四
第五章手術模擬環境的整合五
第六章實驗與討論六
第七章結論七
附錄英文版論文八

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指導教授

曾定章(Din-chang Tseng)

審核日期

2000-7-6

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