Abstract
The development of an infant pulmonary function system for medical application is important in providing a clear in depth understanding of the physical and mechanical functioning of the lung of an infant. Forced and passive expiratory flow-volume curves convey useful information about pulmonary functions. This information can be used to monitor the early development of the lungs and detect any respiratory disorders in infants. Research into various techniques to obtain these curves has shown significant progress. In this study, a microcomputer-based system was designed and built to enable these techniques to be more efficiently and accurately implemented. This paper describes the system developed to automate the test procedures, obtain the flow-volume curves, analyse test data and store results conveniently. Lastly, system performance is also discussed.
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