使用开放的,轻量级的非密封面罩去除受试者呼出的空气的新系统 - 一个概念验证研究
Danial Abu Shkara1, Yoav Keynan2, Shay Brikman3
1Internal Medicine E, Haemek Medical Cente, Rabin Blvd., Afula, 18101, ISRAEL.
Journal of breath research
|October 4, 2024
概括
一个新的系统,SPEAR-P1 (同步个人呼气去除系统),有效地捕获呼吸道感染患者的呼气. 这项技术显著减少了病原体的传播,提高了医疗保健工作者和其他患者的安全性.
科学领域:
- 生物医学工程 生物医学工程
- 传染病控制和控制传染病
- 呼吸系统医学 呼吸系统医学
背景情况:
- 患有呼吸道感染的患者在医疗机构中存在病原体传播的风险.
- 现有的制呼吸道气溶的方法通常需要密封的口罩或专门的隔离室.
- 有效地去除呼出的空气可以减轻COVID-19和抗菌素耐药细菌等传染病原体的传播.
研究的目的:
- 为了评估同步个人排气空气清除系统的性能 - 原型1 (SPEAR-P1).
- 评估该系统能够积极清除穿着开放式,不密封面罩的个体的呼出空气的能力.
- 为了确定在没有患者密封的情况下降低空气传播病原体传播的可行性.
主要方法:
- 14名健康参与者通过连接到深真空生成装置 (DVGU) 的开放式,不密封面罩以不同速度 (30,25,20次/分钟) 练习呼吸.
- 二氧化碳 (CO2) 被用作衡量排气空气去除效率的替代值.
- 从面罩的外表面测量二氧化碳水平,以量化逃出的呼气.
主要成果:
- 在所有测试条件下,SPEAR-P1系统在所有测试条件下平均减少了66%的CO2从面罩中逃逸 (p<0.001).
- 在每分钟20次呼吸率下,该系统平均减少了85.55%的呼气二氧化碳 (p<0.001).
- 该研究表明,使用开放式面罩设计,可以积极去除呼出的空气.
结论:
- 同步个人呼气去除系统 - 原型1 (SPEAR-P1) 是捕获呼气的可行技术.
- 该系统提供了一种减少患者产生的气溶的潜在方法,而不需要密封面罩或隔离.
- 进一步开发SPEAR-P1可以显著提高在不同的医疗保健环境中的感染控制.
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