扁桃腺摘除手術為一項常見的耳鼻喉科手術，但隨著抗生素應用的進步，手術目的已由過去主要治療反覆性扁桃腺炎，演變為治療睡眠呼吸中止症。目前手術過程中，主要以手術醫師頭戴光纖投射燈提供手術範圍的照明，但於臨床上仍有使用限制，其限制在於1. 手術過程中，因頭部擺動角度及視野的陰影障礙，2. 外部光線的光纖導線易因反覆使用產生光纖斷點，而造成照明品質不佳及後續維修問題，3. 由於投射光源戴於醫師頭上，光纖導線會因為導線長短影響手術儀器相對配置位置及限制手術者的部分活動。
因此，本論文將開發口腔照明裝置系統，以扁桃腺摘除手術器具(張口器合併壓舌板)結合白光LED光源應用，以解決並改善上述之臨床使用限制缺點。首先利用逆向工程技術(reverse engineering)與創新創意設計口腔照明模組，並將模組輸入於光學分析軟體TracePro進行模擬分析，開發設計出具有於口咽部兩側扁桃腺區域擁有高照度之口腔照明模組。接著依設計製作照明裝置系統，並放入醫用安妮口腔中量測其照度，並探討分析與光學模擬結果之差異。

Tonsillectomy is a general surgery for ENT (ear, nose, and throat). With the advancement of antibiotics, surgical conditions are from the past recurrent tonsillitis to the obstructive sleep apnea now. There are several limitations of current intraoral lighting tool for tonsillectomy. 1. The performance of external lighting is influenced by the projection angle. The illumination of operation field could be blocked when a physician turns his head. 2. The connecting point of lighting cable could be broken after repeated use and bending. It causes not only the lighting quality decrease but also a cost burden to the hospital. 3. The external lighting needs a lighting machine with a halogen bulb. Therefore, there are plenty wires around the physician during operation which limits the operative freedom for surgeons.
This study developed an intraoral lighting device which is with led lighting source and can be integrated to the tonsillectomy device (the mouth gag and tongue depressor). The device can deal with the limitations of current intraoral lighting tool for tonsillectomy. Firstly, we designed a new intraoral lighting device according to reverse engineering method and innovative thinking. Optical simulation software TracePro was used to improve the device performance, especially for achieving high illuminance of tonsils at both sides. The new intraoral lighting device was then built up and put in a medical Anne’s oral cavity to measure its lighting performance. Finally, the measured results were discussed and compared with the optical simulation.

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