Ｂ型超声诊断设备在现代医疗诊断方面的应用越来越广泛，地位越来越重要。因此，其自身技术性能是否达到标准要求，可否正常使用，既关系到患者及其后代的健康问题，又关系到医院的经济效益，鉴于此，国家主管部门制定和发布了相应的技术法规文件，并将Ｂ型超声诊断仪列入强检 B-type ultrasound diagnostic equipment in modern medical diagnosis is more and more widely used, the status is more and more important. Therefore, whether its own technical performance meets the standard requirements and whether it can be used normally is not only related to the health problems of patients and their descendants, but also the economic benefits of the hospitals. In view of this, the competent national authorities have formulated and released corresponding technical regulations and documents, And B-type ultrasonic diagnostic apparatus included in the strong inspection