适用于低资源环境的节的基于Arduino的螺旋仪:初步原型的设计,开发和验证
James Wallace1, Pedro Checa Rifá1, Thanusan Kannathasan1
1School of Engineering, University of Warwick, Coventry, United Kingdom.
Frontiers in bioengineering and biotechnology
|January 22, 2026
概括
一个新的,负担得起的螺旋仪被开发用于低资源的设置,显示高精度的肺功能查. 节工程成功地降低了成本,而不影响临床性能,使呼吸系统健康工具的获取更广泛.
科学领域:
- 生物医学工程 生物医学工程
- 医疗器械设计 医疗器械设计
- 全球健康 全球健康
背景情况:
- 医疗器械在全球分布不公平,76%的医疗器械被13%的人口使用.
- 为高收入国家 (HICs) 设计的设备在低资源环境 (LRSs) 中经常会因为当地需求未得到满足而失败.
- 尽管呼吸道疾病的负担很高,但螺旋仪在LRS中未得到充分利用.
研究的目的:
- 开发和验证一个适合LRS的节,负担得起的螺旋计.
- 解决严重呼吸道疾病的地区中螺旋计的不足利用问题.
- 为服务不足的人群创建一个具有成本效益的肺部查工具.
主要方法:
- 使用3D打印和低成本电子产品 (Arduino nano,ESP32,MXP5010DP) 设计了一种Venturi风格的螺旋计.
- 通过2L试验和30名参与者的前性评估与CE标记的螺旋计对照验证了设备.
- 使用平均绝对误差 (MAE),平均绝对百分比误差 (MAPE),皮尔森相关性和类内相关系数 (ICC) 分析性能.
主要成果:
- 在试验中,3D打印的螺旋计在试验中实现了1.53%的MAPE.
- 观察到强迫呼气量在1秒内 (FEV1) 与基准装置 (ICC = 0.97,r = 0.97) 强烈一致.
- 峰值呼气流量 (PEF) 的测量显示出强烈的相关性 (ICC = 0.80,r = 0.89) 并符合ISO 26782:2009的体积精度标准.
结论:
- 一个经过验证的,节的螺旋仪成功地为LRSs的肺部查建立了原型.
- 节工程可以降低医疗器械成本,而不会牺牲临床准确性.
- 对于LRS部署,需要在临床群体中进一步验证和监管调整.
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