近年来,乙型肝炎在人群中传播较为广泛,而医疗器械的污染,被认为是重要传播途径之一。为了解本地区医疗单位的医疗器械HBsAg污染情况,特作此次调查。一、调查对象对区辖内23间市、区属医疗单位普遍进行抽查。主要抽查内、外、牙、妇产等科及治疗室有关器械。二、采样方法因估计污染率低,故采取混合标本检查 In recent years, hepatitis B spread more widely in the population, and the contamination of medical devices is considered as one of the important transmission routes. In order to understand the local medical units of medical equipment HBsAg pollution, special investigation for this. First, the respondents to the district within the jurisdiction of 23 municipalities, the district is generally a random sample of medical units. The main spot checks inside and outside, teeth, obstetrics and other subjects and treatment room related equipment. Second, the sampling method due to the estimated low pollution rate, so take a mixed specimen inspection