This creation be a kind of neck,Thoracic dorsal vertebrae nail fixing device,It is the bone nail ontology including a plurality of general titanium alloy materials in hollow form,Wherein the bone nail this system has one to combine head and a plurality of threads,System drills through equipped with an axial perforation and several radial conduction holes in the what bone nail ontology,And several radial conduction hole system symmetrical rings set the suitable place position of the what bone nail ontology； And a fixed plate,It is opposite what neck,The rectangular panel body of thoracic vertebrae bone size,The Hou end face system of the fixed plate have corresponding what neck,The curved surface of thoracic dorsal vertebrae front end constructs,And the suitable place of the what fixed plate is through equipped with a plurality of locking holes； And suitable system, the place coating in thread surface in the what bone nail ontology middle section plates a developing layer,It uses and development is compared to confirm the safe spacing position person in the radial conduction hole Yu the thread developing layer by X-ray.本創作係一種頸、胸椎骨釘固定裝置，其係包括複數個概呈中空狀之鈦合金材質的骨釘本體，其中該骨釘本體係具有一結合頭部及複數個螺牙，於該骨釘本體內係鑿穿設有一軸向貫孔及數個徑向引流孔，而該數個徑向引流孔係對稱環設於該骨釘本體之適處位置；以及一固定板，其係相對於頸、胸椎骨尺寸之矩形板體，該固定板之後端面係具有對應於頸、胸椎骨前端之曲弧面構造，且於該固定板適處貫穿設有複數個鎖固孔；而於該骨釘本體中段之螺牙表面適處係塗覆鍍上一顯影層，藉以由X光對比顯影以確認該徑向引流孔與該螺牙顯影層之安全間距位置者。
