研制正压供氧防毒面具,用于公共突发事件以及火灾等有毒缺氧环境下的逃生和自救.研制氧气减压阀,在防毒面具上增加正压供氧和药物雾化吸入装置,以利于呼吸困难甚至衰竭的伤员心肺复苏.介绍正压供氧和药物雾化吸入装置结构、工作原理.根据GB 2890-2009《呼吸防护自吸过滤式防毒面具》进行检测,各项技术指标符合要求.与现有防毒面具进行对比,验证所设计的防毒面具的性能.%A new type of rescue gas masks which can be used under poisonous and hypoxic environment for escape and first-aidwas developed.Through development of oxygen press relief valve,positive-pressure Oxygen-supplying and drug atomization inhalation device wereinstalled on the mask to solve the Oxygen deficit and help the Cardio-pulmonary resuscitation of the wounded.The structure and working principle of the positive-pressure Oxygen-supplying and drug atomization inhalation device were introduced.The mask was tested according to the GB 2890-2009 Respiratory protection Non-powered air-purifying respirators,all technical indexes of the mask can fit the requirement.The performance of the mask was verified by comparing with the existing masks.
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