Protective sheath is fixed in cranial drill hole

The utility mode relates to a protective sheath is fixed in cranial drill hole has solved neural surgical patient cranial drill hole in -process and has had the problem that the easy slip of cranium brill caused the operation risk. Including the protective sheath main part, the protective sheath main part is upper and lower open -ended cylinder structure, and even there is a water injection mouth its upper end, and even there is the leader its lower part, and the handle is 180 degrees symmetric distributions with the water injection mouth, and protective sheath main part surface is provided with a plurality of outflow holes of evenly arranging. The utility model discloses having strengthened and having caused the protection of operation risk because of the cranium bores easy the slip in the neurosurgery, and convenient to use, easy operation, safe practical, durable. 本实用新型具体为种颅骨钻孔固定保护套，解决了神经外科手术病人颅骨钻孔过程中存在颅钻容易滑动造成手术风险的问题。包括保护套主体，保护套主体为上下开口的圆柱体结构，其上端连有注水嘴，其下部连有把手，把手与注水嘴呈180度对称分布，保护套主体表面设置有若干均匀布置的流出孔。本实用新型增强了神经