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1.
2022 Design of Medical Devices Conference, DMD 2022 ; 2022.
Article in English | Scopus | ID: covidwho-1874479

ABSTRACT

Mechanical ventilators are beneficial in treating and managing various respiratory diseases, including interstitial pneumonia associated with Coronavirus infection (COVID-19). The unprecedented COVID-19 pandemic has led to the emergence of a worldwide need for more accessible and affordable mechanical ventilatory devices. This project, known as the Third Coast Ventilator, aims to create a low-cost, open-source solution to the ventilator shortage created by the COVID-19 pandemic;this device can additionally be implemented in developing countries with limited medical resources, where ventilators are often inaccessible. Using readily available components found within hospitals and local stores, our team designed a prototype that can be assembled and functional within an hour. Our testing demonstrated accurate tidal volume delivery while modulating commonly used ranges of inspiratory to expiratory ratios, air flow rates, and respiratory rates. These promising results are an important step toward our goal of creating a low-cost, open-source, globally accessible ventilator in areas where shortages exist. © 2022 by ASME

2.
2022 Design of Medical Devices Conference, DMD 2022 ; 2022.
Article in English | Scopus | ID: covidwho-1874478

ABSTRACT

At the beginning of the COVID-19 pandemic, many hospitals and healthcare institutions lacked an adequate supply of masks and other personal protective equipment. Moreover, protocols that were in place to ensure healthcare workers had appropriately sized masks consumed precious time and resources. Any determination of a user's correct respirator size demanded an in-person assessment and had the potential to waste multiple respirators. Here we introduce IBARS (Image-based Application for Respirator Sizing), a novel tool which provides respirator size recommendations based on a facial image and basic user demographics. This solution obviates the need for an in-person assessment, providing an accurate size recommendation within seconds. The application has the potential to reduce time-per-worker respirator fitting, reduce overall respirator usage, and increase safety by providing hospitals with a non-contact option for sizing. Furthermore, future applications may assist healthcare institutions optimize supply chains by providing rapid assessments and reassessments of appropriate respirator sizes used by their workers. Early testing indicated accuracy of 71.3% for the software (N=16), and further testing is underway at Houston Methodist Hospital. © 2022 by ASME

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