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Design of bluetooth lung function instrument |
LIANG Rui1 YAO Kainan2 DENG Yingqiang3 CHEN Jianmin3 |
1.Department of Pediatrics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Province, Guangzhou 510405, China; 2.Department of Pulmonary Diseases, Shenzhen Bao′an Hospital of Traditional Chinese Medicine, Guangdong Province, Shenzhen 518101, China;
3.Department of Research and Development, Guangzhou Changhu Medical Devices Co. Ltd, Guangdong Province, Guangzhou 510000, China |
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Abstract Objective To design and develop a bluetooth portable device which can detect common lung function parameters. Methods The data of high precision varistor were collected and processed by single chip microcomputer. And the test data were calculated by calibration parameters and linear interpolation. Standard breathing simulator error and actual measurement error for testing bluetooth lung function meter. Results The bluetooth lung function instrument was designed successfully, which could monitor forced vital capacity (FVC), peak expiratory flow, forced expiratory volume in one second (FEV1) and FEV1/FVC. The requirement was met by the bluetooth pulmonary function. Compared with the yeger pulmonary function tester, the measuring error by the bluetooth pulmonary function tester of six subjects were all within 5%. Conclusion The device is small and convenient, and can meet the application requirements of clinical and home tests.
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