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Related Concept Videos

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

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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,...
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Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

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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.
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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:...
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Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
Tracheostomy
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Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
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Pulse Oximetry01:24

Pulse Oximetry

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Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
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Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

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Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
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Conducting Respiratory Oscillometry in an Outpatient Setting
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FREO2: An electricity free oxygen concentrator.

Bryn A Sobott1, David J Peake1, James F P Black2

  • 1114School of Physics, The University of Melbourne, Parkville, Victoria Australia.

Pneumonia (Nathan Qld.)
|October 24, 2019
PubMed
Summary

A new Fully Renewable Energy Oxygen (FREO2) system generates medical-grade oxygen without electricity, using water flow. This low-cost, sustainable solution is ideal for remote health centers needing reliable oxygen therapy.

Keywords:
childrendeveloping countryoxygen concentratorpneumoniasub-district health centre

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Area of Science:

  • Medical Devices
  • Environmental Engineering
  • Renewable Energy

Background:

  • Oxygen therapy is vital for severe pneumonia in children, recommended by WHO.
  • Limited-resource settings often lack access to essential medical oxygen.
  • Existing oxygen generation methods may be costly, require electricity, or lack sustainability.

Purpose of the Study:

  • To introduce and assess the preliminary viability of the Fully Renewable Energy Oxygen (FREO2) system.
  • To present a novel, electricity-free method for producing medical-grade oxygen.
  • To evaluate the FREO2 system's suitability for low-resource health facilities.

Main Methods:

  • The FREO2 system utilizes the vacuum created by water flowing through a raised siphon.
  • This vacuum powers a customized vacuum-pressure-swing-adsorption (VPSA) system.
  • The VPSA system is designed to produce medical-grade oxygen from ambient air.

Main Results:

  • Preliminary results confirm the viability of the FREO2 system for generating medical-grade oxygen.
  • The system operates without requiring any external electricity.
  • Oxygen generation capacity increases with water flow, aligning with seasonal demand in tropical/mountainous regions.

Conclusions:

  • The FREO2 system offers a low-cost, robust, and sustainable solution for medical oxygen provision.
  • It is particularly well-suited for remote health facilities in areas with access to flowing water.
  • This innovation addresses a critical gap in essential medicine availability for treating severe childhood pneumonia.