Open AccessDesign of low-flow oxygen monitor and control system for respiration and SpO2 rates optimization
Author(s) -
Ayu Jati Puspitasari,
Deshinta Famella,
M. Sulthonur Ridwan,
Muhammad Khoiri
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1436/1/012042
Subject(s) - oxygen , respiration , saturation (graph theory) , oxygen saturation , respiration rate , oxygen sensor , volumetric flow rate , limiting oxygen concentration , respiratory rate , chemistry , mathematics , heart rate , medicine , anatomy , physics , thermodynamics , organic chemistry , radiology , combinatorics , blood pressure
The importance of respiration rates and oxygen saturation (SpO 2 ) monitoring and the high need for oxygen therapy opens the opportunity for the development of non-invasive respiration rate and oxygen saturation monitoring and controlling system. There are two modes of controlling in this system, automatic and manual mode. In automatic mode, the oxygen flow rate is based on the measurement of the respiration rate using the MLX90614 temperature sensor and tidal volume determination based on the patient’s body weight. Oxygen flow control uses a DC motor to open and close the oxygen regulator valve. Oxygen flow will stop when the respiration rate and oxygen saturation level are normal. Oxygen saturation is measured using the MAX30100 sensor. The fabricated regulator control system is capable of flowing oxygen by 5-8 liters per minute using an oxygen mask. The respiration rate measurement was compared with the palpation test, and the deviation was 0.99%. Oxygen saturation reading that used MAX30100 as an oximeter sensor was compared with pulse oximeter fingertip reading, and the deviation was 1.62%. The average flow deviation between the fabricated regulator control system and the calibrated regulator is 2.93%. The result of measuring the response time of the motor for an increase of one liter per minute (LPM) is 1.54 seconds.