一、前言监护仪是一种电子医疗仪器。在医院的内科病室、外科手术室、恢复室、传染病室以及高压氧窗等病室里,需要经常地对危急病人和重病人的各种生理机能参数进行长时间连续的观察、测量、控制和记录,以便医生和护理人员随时深切地了解病人的病情变化,从而能及时地对病人的病情进行分析、判断和采取相应的处理措施加以治疗。近年来,随着电子工业的迅速发展,电子技术在医疗系统方面已得到了一定程度的推广和应用。在有关单位的配合和支持下,我们全部采用国产元件和器件,开展了对监护仪的研制工作。经过一段时期的临床使用 I. Introduction The monitor is an electronic medical device. Long-term continuous observation, measurement, control and recording of various physiological parameters of critically ill patients and critically ill patients are frequently required in the hospital ward, surgical operating room, recovery room, infectious disease room and hyperbaric oxygen chamber. So that doctors and nurses can always keep abreast of the changes in the patient’s condition so that the patient’s condition can be analyzed, judged and taken appropriate measures for treatment. In recent years, with the rapid development of the electronics industry, electronic technology has been promoted and applied to a certain extent in the medical system. With the cooperation and support of the relevant units, we all use domestic components and devices to carry out the development of the monitor. After a period of clinical use