Abstract
The development of medical equipment with advanced technology can provide convenience in providing services to the community. One of the equipment that is in the hospital and most often used is an IV. In its use, manual infusion is used to determine the volume of the infusion and must be monitored every hour or even minute by the nurse. This is considered quite difficult, especially in the era of the Covid-19 pandemic where minimal interaction is required from 2 individuals. This is done by utilizing sensor technology to monitor the patient's condition so that the frequency of the nurses checking the condition of the infusion is getting less. Therefore, in this research, manufactured of an infusion monitoring system using aweight sensor (Load Cell) based on the ATMEGA 328 microcontroller was carried out. The sensor of this monitoring system uses a Load Cell Weight Sensor with the HX711 module which is integrated into the ARDUINO UNO MCU. The output of the system is displayed on a 16 x 2 mm LCD as well as a Macro Excel which will display the percentage value of intravenous fluids in the PC and real-time automatic data logging into the macro excel. The infusion used uses Nacl fluid infusion. The test results of the system as a whole show that the data for measuring levels (%) of intravenous fluids can be sent and displayed on the LCD and PC. The incoming data is converted into a table at certain time intervals according to the user's choice into the operator. The experiment was carried out 10 times by looking at changes in the contents of the infusion fluid over time in 11 stages where the LED lights up when the weight of the infusion reaches 40 - 46 grams. Then, the buzzer and LED have turned on when the weight of the infusion is less than 5 grams. From the experiment, it can be concluded the 10% setpoint alarm works well, i.e. when the infusion load is less than the 1% set point, the buzzer and LED will light up until the intravenous fluid is replaced with a new one.
Highlights
With the development of more sophisticated medical science and technology, there is data that will be included in health services to the public [1], especially if there is the development of science and technology in the field of medical devices in the era of the Covid-19 pandemic
As an effort to overcome this problem, in this study, this research tried to design a device where the working principle of this tool is to monitor the volume of the infusion and provide a warning indicator when the intravenous fluid is in the minimum set point volume
Research Methods The design of the infusion monitoring system using a load sensor based on the ATMega 328 microcontroller is made to collect very critical infusions to be monitored so that the condition of the infusion status can be directly monitored by the hospital nurse. This tool is based on the ARDUINO UNO microcontroller, Buzzer and LED as an Daswara, D. et al / Miniaturized Infusion Monitoring System with Weight Sensor (Load Cell) Based / JIRAE, Vol 5, No 1, April 2020, pp. 14–18 indicator if there is pressure exceeding a predetermined set point, and can make it easier for nurses to monitor status conditions via 64.15 x 16 mm LCD in the field or via computer using Macro Excel Software because data from the actual values of infusion can be made automatically stored in Microsoft Excel 2010
Summary
With the development of more sophisticated medical science and technology, there is data that will be included in health services to the public [1], especially if there is the development of science and technology in the field of medical devices in the era of the Covid-19 pandemic. In the use of manual infusion to determine the volume of the infusion, the nurse should monitor it every hour or even minute [3]. This method, still really needs more manpower to monitor it, especially with the limited number of personnel [4] - [5]. As an effort to overcome this problem, in this study, this research tried to design a device where the working principle of this tool is to monitor the volume of the infusion and provide a warning indicator when the intravenous fluid is in the minimum set point volume. This tool uses the AT-Mega 328 microcontroller as the brain or control to process the input signal and give commands to execute in the form of commands to turn on the buzzer and indicator lights
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