随着高科技的发展，各种高新技术的医疗设备层出不穷。各级医院，原有一些设备由于年代过久而面临淘汰，从而需用新型的设备取而代之，以提高医院的医疗技术水平，增大经济效益和社会效益。六、七十年代，医疗设备大都是电子管设计，到了八十年代，晶体管、集成电路取而代之， With the development of high technology, various high-tech medical equipment emerge in endlessly. Hospitals at all levels, some of the original equipment due to aging is facing obsolescence, which requires the replacement of new types of equipment to improve the hospital’s medical technology, increase economic and social benefits. In the 1960s and 1970s, most medical devices were designed as tubes. By the 1980s, transistors and integrated circuits replaced them.