Development and Clinical Application of Heating System for Surgical Patients
LI Guixiang, HUANG Ning, CHEN Jun,TANG Yuanliang, XU Fei, TAN Zhongwei, WU Xinshe,
XU Weikang, GU Heng, HUANG Dequn
Medical Electrical Devices and Polymer Materials Products Key Lab of Guangdong Province, Guangdong Institute of Medical Instruments/National Engineering Research Center for Healthcare Devices, Guangzhou Guangdong 510500, China
Abstract：Objective To design a heating system for surgical patients to increase and protect their body temperature. Methods Based on microprocessor control technology, computer-aided graphics technology and C programming language, operating patient warming system was composed of three parts: mainframe, air supply duct and inflatable heating blanket. The Atmega168 single chip microcomputer was used as microprocessor of the mainframe to realize the operation of PTC heater and fan, and control of abnormal alarm protection. The PIC16f819 single chip microcomputer was used as microprocessor of temperature detection module to realize the temperature detection and processing, the thermistor RT50 was used as temperature sensor, and the 7-segment digital tube was used as display module. Results The experimental and EMC test showed that the heating system for surgical patients can be heated accurately and keep constant at the preset final heating temperature after 5 min. The temperature in the in?atable heating blanket was relatively balanced (the temperature difference was within 3℃). The system met the YY0505-2012 electromagnetic compatibility standard, and the noise of the centrifugal fan of the main machine was 50～55 dB, which was suitable for application in operating room. Conclusion The system has been used in clinical practice, and provides a portable and reliable way to raise and protect the body temperature of surgical patients, which can meet the needs of temperature rising and protection of surgical patients in operating room.
李桂香，黄宁，陈军，唐元梁，徐飞，谭仲威，吴新社，许为康，顾珩，黄德群. 手术病人升温系统的研发与临床应用[J]. 中国医疗设备, 2020, 35(9): 50-54.
LI Guixiang, HUANG Ning, CHEN Jun,TANG Yuanliang, XU Fei, TAN Zhongwei, WU Xinshe,
XU Weikang, GU Heng, HUANG Dequn. Development and Clinical Application of Heating System for Surgical Patients. China Medical Devices, 2020, 35(9): 50-54.
