An additive manufacturing fabricated a split Pitot tube transducer for mechanical ventilator analyzers
نویسندگان
چکیده
Frequent calibration of ventilators and anesthesia machines might reduce the risk death sequelae in patients under mechanical ventilation. However, ventilator analyzers be difficult to purchase due high cost or even trade-restrictive scenarios, such as COVID-19 pandemic. To alleviate this problem, aim article is present design characterization a Pitot tube transducer fabricated with additive manufacturing (AM), used analyzers. A split (SPT) was designed using computer-aided (CAD) characterized finite element method (FEM) simulations. Bernoulli’s equation determine discharge coefficient. The sensor acrylonitrile butadiene styrene (ABS) thermoplastic, fused deposition modeling after properly configuring 3D printer. According simulated velocity profile, does not impose excessive resistance flow pressure profile revealed that constant stable inside lines. characteristic curve differential (dP) versus quadratic. For minimal maximal flows 0.01 300 L/min, corresponding dP values are 6.535·10−4 Pa 13.178·103 Pa. developed here has appropriate characteristics for measuring air from ventilators, delivered pressures can read by commercial electronic sensors. AM viable fabricating transducer, printing time considerably low compared necessary order similar part sales representative.
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ژورنال
عنوان ژورنال: Research on Biomedical Engineering
سال: 2021
ISSN: ['2446-4732', '2446-4740']
DOI: https://doi.org/10.1007/s42600-020-00121-4