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阻塞性呼吸道疾病模拟装置设备
Jaimey A Clifton1, Ella F S Guy1, Jennifer L Knopp1
1Centre for Bioengineering, Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand.
HardwareX
|February 9, 2024
概括
一种新的,低成本的3D打印设备模拟了慢性阻塞性肺病 (COPD) 在健康个体的呼吸. 这种非侵入性模拟器为呼吸机制模型提供了宝贵的数据,减少了对患病患者进行测试的需求.
科学领域:
- 生物医学工程 生物医学工程
- 呼吸系统生理学 呼吸系统生理学
- 医疗器械开发 医疗器械开发
背景情况:
- 像COPD这样的呼吸道疾病显著增加了医疗保健成本,发病率和死亡率.
- 目前研究COPD呼吸机制的方法通常涉及生病或脆弱的受试者,或侵入性和昂贵的设备.
- 需要使用非侵入性,具有成本效益的方法来获得类似于COPD的呼吸系统数据,用于模型验证.
研究的目的:
- 开发和验证一种低成本的设备,模拟健康人群中COPD的呼吸机制.
- 提供一种替代方法,在不测试患者的情况下收集COPD特异性呼吸系统数据.
- 为了使呼吸机械模型的初步验证,使用模拟的COPD数据.
主要方法:
- 使用高低阻力出口的组合3D打印设备被设计成模仿COPD的非线性呼气阻力和气体捕获.
- 该设备与开放访问的基于venturi的流量传感器集成,以测量关键的呼吸参数:压力,流量和潮体积.
- 使用健康受试者来非侵入性地收集类似COPD的呼吸数据.
主要成果:
- 该设备成功模拟了COPD呼吸的非线性压力和流量特征.
- 模拟器允许从健康受试者收集患者特异性的COPD类呼吸数据.
- 大多数设备组件是使用负担得起的3D打印技术 (Prusa mini,PLA线材) 制造的.
结论:
- 开发的3D打印设备为模拟COPD呼吸机制提供了一个低成本,非侵入性的解决方案.
- 这种模拟器有助于收集有价值的呼吸系统数据,用于验证生理模型,减少对患者测试的依赖.
- 这种方法尽量减少了对呼吸系统研究中侵入性手术和昂贵设备的需求.
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