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Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

584
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
584
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

136
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
136
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

326
The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
326
Respiratory Volumes01:15

Respiratory Volumes

1.5K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
1.5K
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

295
Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
295
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

1.5K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
1.5K

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相关实验视频

Updated: Jul 4, 2025

Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

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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
PubMed
概括
此摘要是机器生成的。

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.

关键词:
慢性慢性肺炎是一种慢性慢性肺炎,COPD是一种慢性肺炎.终止到期期的时间流动 流动 流动 流动阻塞性的 阻塞性的压力 压力 压力电阻 电阻 电阻 电阻 电阻 电阻呼吸方式 呼吸方式

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Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
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Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique

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Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
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Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

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相关实验视频

Last Updated: Jul 4, 2025

Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

7.1K
Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
13:10

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique

Published on: May 15, 2013

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Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

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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.