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Title: Control system for continuous positive airway pressure
Authors: Oliveira, Mileny Ximenes
Capistrano, Amilton dos Reis
Rosa, Suélia de Siqueira Rodrigues Fleury
Silva, José Felício
Rocha, Adson Ferreira da
Carvalho, Hervaldo Sampaio
Assunto:: Recém-nascidos
CPAP
Issue Date: Apr-2014
Publisher: SBEB - Sociedade Brasileira de Engenharia Biomédica
Citation: OLIVEIRA, Mileny Ximenes et al. Control system for continuous positive airway pressure. Revista Brasileira de Engenharia Biomédica, Rio de Janeiro, v. 30, n. 2, p. 102-113, abr./jun. 2014. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-31512014000200003&lng=en&nrm=iso>. Acesso em: 07 out. 2016. http://dx.doi.org/10.1590/rbeb.2014.017.
Abstract: Introduction: Continuous Positive Airway Pressure (CPAP) is a mode of non-invasive mechanical ventilation commonly used in neonatology. The incorporation of new therapeutic and technological advances may impact the survival of very low birth weight preterm infants. However, one of the difficulties faced is the high cost of this device and its numerous add-on functions, such as Apnea Hypopnea Index (AHI), flow limitation, among others. Thus, in this study, we aim to address the design and construction of a CPAP device prototype to be used in a Neonatal Intensive Care Unit (NICU). Methods: In order to design the experimental CPAP device with sensory instrumentation for providing data to a micro-controlled system, electro-pneumatic circuits and signal conditioning boards of sensors have been fitted to achieve optimized CPAP function with low energy consumption. While running this setup, a metrological study was carried out to evaluate the sensors’ performance. The methodology employed for the study was the IDOV (Identify, Design, Optimize, and Validate) method, a variant of six sigma, to minimize the failure rates. It is expected that it works under valve activation to maintain positive pressure in the airways of the patient (neonate). Results: The whole system performs satisfactorily (low noise level) for each assessed module. Additionally, it is emphasized that software development for application control has resulted in a significant improvement of hardware functions. Conclusion: In this work, a system that performs the CPAP function was obtained; the research has shown that, by adopting a specific purpose, it may create a better understanding of Assistive Technology.
Licença:: Revista Brasileira de Engenharia Biomédica - All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Fonte: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-31512014000200003&lng=en&nrm=iso. Acesso em: 07 out. 2016.
DOI: http://dx.doi.org/10.1590/rbeb.2014.017
Appears in Collections:FGA - Artigos publicados em periódicos

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