本研究針對台灣現行到院前頸椎固定流程，探討頸椎固定術之步驟與頸椎固定產品之成效。

　　研究分為三個階段：〈一〉到院前頸椎固定流程之探討：訪談救護人員以瞭解現有到院前頸椎固定流程之問題與需求，評估現有頸椎固定器材與流程之適用性。進行實驗量測到院前頸椎固定流程中傷患頸椎運動模式。〈二〉頸椎固定產品設計：建立頸椎固定產品評估原則與設計方針，進行構想發散，並選擇方案製作功能模型。〈三〉設計評估與驗證：評估頸圈與新式頸椎固定器固定效能與使用者痛苦尺度。

　　實驗結果發現在現有頸椎固定流程中，頸圈可能因為安置不完善、尺寸不合適等因素造成固定效果不足，無法有效防止傷患頸椎運動。在頸椎固定流程比較實驗裡，使用頸圈傷患在前傾的運動角度上明顯大於未使用頸圈傷患，而在轉動的角度上則具有顯著的效果。而設計出的新式頸椎固定器，能加速頸椎固定流程並有效防止傷患頸椎運動，與原頸圈的效能比較，新式頸椎固定器在前傾、左偏、左轉的運動向度上明顯小於原有頸圈。在使用者痛苦尺度評比上，使用頸圈的痛苦指數在枕骨處高於頸椎固定器；在下顎骨與前頸部兩處頸椎固定器的痛苦較高於頸圈。使用者所有部位的痛苦程度皆位於無痛苦到稍微痛苦之間。

　　另外本案探討了頭部固定器在頸椎固定上的效果，在使用頭部固定器以後，傷患的頸部運動範圍在前傾、左偏、左轉等三個軸向上產生明顯的減少。可見頭部固定器的使用仍在頸椎固定流程中有其重要功效。

The main purpose of this research was to discuss the procedure of the prehospital spinal immobilization and the effect of the immobilization device at present.

This research includes three stages:
1. Interview paramedic to estimate the suitability of the device, and to analyze the prehospital spinal immobilization procedure by measuring patients’ spinal movements. 2. Follow the design suggestion, we made a mock-up to attempt design goals. 3. An experiment was conducted to evaluate users discomfort scales and the product efficiency.

The results indicated that cervical collars couldn’t immobilize effectively because of improperly set or wrong size. In the experiment, patients with collar flex apparently larger than patients without collar, but rotate lesser. The new design device could immobilize faster and more efficient in flexion, left bending and left rotation. In comparison with user discomfort scales scores, collar is higher than new design in occiput, but lower in mandible and front neck. Discomfort scales of all region are between no discomfort and little discomfort.

The study also found that using Head immobilizer can appearancetly reduce patients movement in flexion, left bending and left rotation.

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