傳統手工製作小腿義肢承筒是很需要經驗豐富的義肢師來確保製作品質。在今天的台灣，有很多黑手行業都面臨人才流失，缺乏新血加入，義肢師傅也很難招到年輕學徒。面臨青黃不接之時，年輕的義肢師要製造出品質穩定，且又能讓使用者長期安心使用是很困難的。在目前台灣沒有任何義肢裝具的相關學系，現有的義肢裝具師多是從台灣以外修得義肢裝具的相關學位後再回台灣服務。換句話說，要培養出一個能獨立完成小腿義肢承筒的義肢裝具師需要長久的時間。
本研究要開發一套軟體來協助經驗不足的義肢師可以製造出品質穩定且能讓使用者安心使用的小腿義肢承筒。透過圖示化的介面與簡單的操作流程，讓義肢師樂於使用。
本軟體使用Microsoft Visual Studio 2012與OpenGL函式庫做為開發工具，運用物件導向程式設計概念進行MFC應用程式系統設計，以簡便的設計流程與人性化介面為目標。本軟體能夠讀取三維掃描機檔案格式，通過對殘肢模型的編修，設計出小腿義肢承筒，輸出STL檔，接著由3D列印機輸出承筒模型，由義肢師裝配成小腿義肢，就能快速製造品質穩定且讓使用者安心使用。
在案例研究中，運用本軟體設計的小腿義肢承筒，經過壓力量測分析，再由義肢師的檢驗與使用者的主觀感受，證明本研究的小腿義肢承筒是可行的。

Traditionally, a transtibial socket must be made from a complex process of shape modifications by a prosthetist based on manual method. The product quality of sockets depends on the skills and experience of a prosthetist It needs an experienced hand craftsmanship and a plaster socket mold is modified based upon the needs of each specific stump. In addition, the fabrication of a transtibial socket requires a prosthetist with a great deal of experience, and it takes a long time to train a prosthetist.
The aim of this research is to develop a set of software to assist an inexperienced prosthetist so that transtibial sockets can be produced to meet the amputees’ needs. This research develops a special interface system only for the transtibial sockets design. By the dialogs step by step, users can design socket’s shape easily. The quality of the socket is stable. Users can save the socket model date for recording, and it will be much easy for improves the socket shape in future’s work. The scanning amputation 3D data can help prosthesis tracing the situation of amputee.
This research’s software is developed with Microsoft Visual Studio 2012 and OpenGL with the concept of object-oriented programming (OOP). Users can design the socket simply. Output the STL data to a 3D printer and finally produce a transtibial socket by a prosthetist.
The two case studies confirmed that the design system model of the transtibial socket model is feasible.

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