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胃镜检查前须在咽喉部喷洒局麻药,传统局麻喷雾器是玻璃瓶装置,喷雾管由不锈钢制成,所有做胃镜的患者均用同一个喷雾管,用后用75%酒精消毒也不彻底,易
Gastroscopy should be sprayed in the throat before the local anesthetic, the traditional local anesthesia sprayer is a glass bottle device, the spray tube made of stainless steel, all gastroscopy patients with the same spray tube, with 75% alcohol after disinfection is not complete, easy