一种达到面具防护水平的生物防护口罩  

Abiological protective respirator with equal protection level of the half face mask

作　　者：赵月峨[1] 鹿建春[1] 温占波[1] 赵建军[1] 李劲松[1] 孙振海[1] 史套兴[1] 

机构地区：[1]军事医学科学院微生物流行病研究所病原微生物生物安全国家重点实验室国家生物防护装备工程技术研究中心,北京市100071

出　　处：《医疗卫生装备》2006年第12期34-36,共3页Chinese Medical Equipment Journal

基　　金：国家科技部SARS攻关863重点课题资助。

摘　　要：用0.075μm的NaCl气溶胶和金黄色葡萄球菌及大肠杆菌F2噬菌体气溶胶,对FS9901型平面-腔式可变的一次性生物防护口罩进行了滤材过滤效率、通气阻力和负载能力的评价;用口罩脸形密合度测试仪在8种规定的动作下进行了实际佩戴效果的测试。结果表明,口罩对3种气溶胶的过滤效率达到99%以上,通气阻力<250Pa,口罩负载达到150mg时的通气阻力仍低于其正常使用标准,大部分受试者用一次性防护口罩检测模式检测,实际佩戴时的脸形密合度超过了国际通用检测仪器的极限,用防护面具检测模式检测的脸形密合度平均值为134.5,是目前国际上防护性能最高的一次性防护口罩,基本达到了半脸式面具的防护水平。本口罩储存时为平面结构,使用为腔式结构,体积小,重量轻,便于部队装备和使用。Medium filtering efficiency and loading capacity have been evaluated using staphylococcus aureus aerosol, 0.75μm NaCl aerosol and Ecoli. F2 phage aerosol, and the face fit factor of actual wearing has been tested under eight predefined activities. The results have shown that the filtration efficiencies of respirator for the three kinds of tested aerosol were above 99 percent, the breathing resistance was less than 250 Pa, and while the load reached 150mg, the breathing resistance of the respirator was still below standards. The fit factors of most of the objects were over the detection capacity of the international standard test set. Our mask offers the best biological protection quality of all the protection equipments in international market. The new biological protective respirator comes to the equal protection result of the half face mask. It can be stored in a flat surface construction form, while be used in the cavity construction style. It is convenient for the troops to be equipped and applied for its smaller physical volume and lighter weight.

关 键 词：口罩 生物防护 半脸式面具 脸形密合度 

分 类 号：TS941.731.8[轻工技术与工程—服装设计与工程]