潜伏引流管；颅内感染；脑室外引流。
Potential drainage tube; Intracranial infection; Extra ventricular drainage.
本实用新型结构简单，操作方便且又安全，是目前脑室体外引流手术中较为理想的引流管。
The utility model has the advantages of simple structure, convenient operation and safety. The utility model is an ideal drainage tube in ventricle invitro drainage operations at present.
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