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目的了解医疗机构洁净手术室的洁净技术性能,对洁净效果进行评估。方法采用仪器检测法,对宁波市5所医院的所有洁净手术室及辅助用房的洁净性能指标进行检测。结果Ⅰ级洁净区域≥0.5μm尘埃粒子数合格率为83.36%,Ⅱ级区域和通道尘埃粒子数洁净合格率为100%。最小新风量合格率90.2%,相对湿度合格率87.80%,沉降菌洁净合格率82.90%,换气次数合格率80.40%。结论 5家医疗机构的洁净手术室多数洁净指标都存在不合格现象,特别是高洁净度区域合格率更低,有待加强管理。
Objective To understand the clean technical performance of clean operating rooms in medical institutions and to evaluate the cleanliness effect. Methods The instrumental testing method was used to test the clean performance indexes of all clean operating rooms and auxiliary rooms in 5 hospitals in Ningbo. Results The qualified rate of dust particles≥0.5μm in Grade Ⅰ clean area was 83.36%, and the clean pass rate of Grade Ⅱ area and channel dust particles was 100%. The minimum fresh air passing rate of 90.2%, the relative humidity passing rate of 87.80%, sedimentation bacteria clean pass rate of 82.90%, the number of ventilation pass rate of 80.40%. Conclusion Most of the clean rooms in five medical institutions have unqualified cleanliness indicators. In particular, the pass rate of high-cleanliness areas is lower and needs to be strengthened to be managed.