Results 21 to 30 of about 2,495,171 (363)

Cascaded robust control of mechanical ventilator using fractional order sliding mode control

Mathematical Biosciences and Engineering, 2022
A mechanical ventilator is an important medical equipment that assists patients who have breathing difficulties. In recent times a huge percentage of COVID-19 infected patients suffered from respiratory system failure.
Nasim Ullah, Al-sharef Mohammad
doaj   +1 more source

Home mechanical ventilation: back to basics [PDF]

Acute and Critical Care, 2020
Over recent decades, the use of home mechanical ventilation (HMV) has steadily increased worldwide, with varying prevalence in different countries.
Sunghoon Park, Eui-Sik Suh
doaj   +1 more source

Priorities Towards Fair Allocation of Ventilators During COVID-19 Pandemic: A Delphi Study

Frontiers in Medicine, 2022
BackgroundCOVID-19 pandemic has resulted in severe shortage in vital resources, including invasive mechanical ventilators. The current imbalance between demand and supply of mechanical ventilators has called for investigations on the fair allocation of ...
Seyyed-Hadi Ghamari, Mohsen Abbasi-Kangevari, Nasim Zamani, Hossein Hassanian-Moghaddam, Ali-Asghar Kolahi   +4 more
doaj   +1 more source

Low cost volume sensors for mechanical ventilators

IEEE Latin America Transactions, 2021
This paper presents and compares three volume sensors to be used in mechanical ventilators developed in laboratory: volume sensor based on the Pitot tube, volume sensor based on the Venturi tube and infrared(IR) volume sensor.
Caio ARAUJO DAMASCENO, Aylson LOPES LEAL, Gabryel FIGUEIREDO SOARES, Gustavo RETUCI PINHEIRO, Luan DA SILVA BEZERRA, Matheus DE CASTRO PASSOS PRADO, Yasmin MARTINS PERCI, Miguel Neto   +7 more
semanticscholar   +1 more source

PVP1-The People's Ventilator Project: A fully open, low-cost, pressure-controlled ventilator research platform compatible with adult and pediatric uses.

PLoS ONE, 2022
Mechanical ventilators are safety-critical devices that help patients breathe, commonly found in hospital intensive care units (ICUs)-yet, the high costs and proprietary nature of commercial ventilators inhibit their use as an educational and research ...
Julienne LaChance, Manuel Schottdorf, Tom J Zajdel, Jonny L Saunders, Sophie Dvali, Chase Marshall, Lorenzo Seirup, Ibrahim Sammour, Robert L Chatburn, Daniel A Notterman, Daniel J Cohen   +10 more
doaj   +2 more sources

The COVID-19 pandemic in Brazil: analysis of supply and demand of hospital and ICU beds and mechanical ventilators under different scenarios.

Cadernos de Saúde Pública, 2020
This study aims to analyze the pressure on the Brazilian health system from the additional demand created by COVID-19. The authors performed a series of simulations to estimate the demand for hospital beds (health micro-regions) as well as to ICU beds ...
Kenya Noronha, G. Guedes, C. Turra, Mônica Viegas Andrade, L. Botega, D. Nogueira, Júlia Almeida Calazans, L. Carvalho, L. Servo, Monique Félix Ferreira   +9 more
semanticscholar   +1 more source

Novel design of inspiratory flow generation and gas mixing for critical care ventilators suitable for rapid production and mass casualty incidents

Scientific Reports, 2023
Scarcity of medical resources inspired many teams worldwide to design ventilators utilizing different approaches during the recent COVID-19 pandemic.
Karel Roubik, Vaclav Ort, Lenka Horakova, Simon Walzel   +3 more
doaj   +1 more source

Conditioning in an organic greenhouse [PDF]

, 2011
Botrytis cinerea is one of the main postharvest problems in gerbera cut flowers. There are clear differences among growers in the percentage of flowers showing symptoms of Botrytis infection after harvest.
Raaphorst, M.G.M.
core   +6 more sources

Inverse Pneumatic Artificial Muscles for Application in Low‐Cost Ventilators

Advanced Intelligent Systems, 2021
The procurement and maintenance cost of high‐end ventilators preclude their stockpiles sufficient for the mass emergency situations. Therefore, there is a significant demand for mechanical ventilators in such situations. Herein, a low‐cost, portable, yet
Seyed M. Mirvakili, Douglas Sim, Robert Langer   +2 more
doaj   +1 more source

ATENA–A Novel Rapidly Manufactured Medical Invasive Ventilator Designed as a Response to the COVID-19 Pandemic: Testing Protocol, Safety, and Performance Validation

Frontiers in Medicine, 2021
Background: The urgent need for mechanical ventilators to support respiratory insufficiency due to SARS-CoV-2 led to a worldwide effort to develop low-cost, easily assembled, and locally manufactured ventilators.
Tiago Rebelo, Elizabete Neutel, Eurico Castro Alves, Francisco Barros, Hélder Oliveira, Humberto Machado, Humberto Machado, Joana Mendonça, Joana Mendonça, João Fortuna Araújo, João Luís, José M. Pêgo, José M. Pêgo, José Silva, Manuel Oliveira, Nuno Sousa, Nuno Sousa, Paulo Figueiredo, Pedro Barata, Pedro Barata, Pedro Barata, Raquel Silva Magalhães, Rui Miguel Magalhães, Sara H. Gomes, Sara H. Gomes, Sara H. Gomes   +25 more
doaj   +1 more source