介绍一种简易Ｘ线定位法武警广东总队医院放射科蒋德清（广州５１０５０７）既往给胸腔积液患者抽液或行闭式引流前，经Ｘ线透视，在体表做液面高度定位、异物定位及经皮穿刺腰椎间盘脱出切割抽吸治疗术前定位时，临床医师直接在荧光屏前操作，遭受大量的放射线照射，危害... Introduction of a simple X-ray positioning method Guangdong Armed Police Corps Hospital Department of Radiology Jiang Deqing (Guangzhou 510507) Prior to patients with pleural effusion drainage or closed drainage, the X-ray fluoroscopy, in the body surface to do a high degree of liquid level positioning, foreign body Location and percutaneous lumbar intervertebral disc prolapse cutting suction treatment of preoperative positioning, the clinician directly in front of the screen operation, suffered a lot of radiation exposure, hazards ...