The Research Of Digital Medical Appliance Based On Embedded Computer System

Medical appliance usually contains the most advanced high-tech, symbolizing one country's science and technology. In 21th century, a great deal of micro-electronics techniques are firstly used in medical appliance. With the development of technologies, medical appliances are silently entering into digital era and playing an important role in our daily lives. However, the vital techniques of medical appliance are the embedded computer and its operating system. As a large manufacture country of medical appliances, we do not have our own techniques, which make it necessary for us to develop our own technologies.With the development of electronic techniques, embedded computer gets a quick boom and becomes more powerful. In some cases, it can take place of industrial computer. In addition, it has many attractive characters such as its small volume, low power consumption, all of which make it suitable to be used in portable monitoring appliances.This paper makes a groping research on the platform building of embedded computer system. According to the acquirement of digital medical appliances, we have designed the hardware of embedded computer system and researched its electromagnetism compatibility during the hardware designing. The embedded computer system was designed successfully which has well electromagnetism compatibility and runs reliably (Continually test for fifteen days). In software developing, we have developed multi-startup modes, ported embedded Linux kernel, corrected bugs in LCD display drivers, and added new hardware drivers for embedded Linux kernel. In the embedded Linux GUI part, Qtopia was successfully ported. In this step, the platform of embedded computer system was successfully built.Based on the platform of embedded computer system, the non-invasive brain edema monitoring appliance had been successfully developed. Large numbers of clinic data were analyzed, which proved that the non-invasive brain edema monitoring appliance based on embedded computer can get well clinical effects when monitoring brain edema. In the field of tele-monitoring, multi-parameter monitoring appliance was also developed, which can successfully monitor the patients'ECG, SPO2, RESP, BP and body temperature. This monitor terminal can capture pictures, save them in disk and transfer the pictures to the hospital centers through GPRS module.The purpose of this paper is to build the platform of embedded computer system and its applications on digital monitoring appliance. With three years of hard work, the main...