Emergency 3-Dimensional-Printed Devices For Splitting Ventilators In Lungs With Different Compliances: An In Vitro Study
A & A PRACTICE(2021)
摘要
Ventilator shortages occurred due to the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). This in vitro study evaluated the effectiveness of 3-dimensional (3D)-printed splitters and 3D-printed air flow limiters (AFL) in delivering appropriate tidal volumes (TV) to lungs with different compliances. Groups were divided according to the size of the AFL: AFL-4 was a 4-mm device, AFL-5 a 5-mm device, AFL-6 a 6-mm device, and no limiter (control). A ventilator was split to supply TV to 2 artificial lungs with different compliances. The AFL improved TV distribution.
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关键词
splitting ventilators,lungs,3-dimensional–printed devices
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