Views: 0 Author: Site Editor Publish Time: 2022-04-13 Origin: Site
The oxygen concentrator is a kind of machine that produces oxygen, and its principle is to use air separation technology. The air is compressed with high density and then the difference in the condensation point of each component in the air is used to separate it from gas and liquid at a certain temperature, and then it is separated into oxygen and nitrogen by rectification. Next, let's take a look at what is the difference between oxygen concentration 3l and oxygen concentration 5l? Here are some answers.
Here is the content list:
The difference between the medical grade oxygen flow range of oxygen concentration 3l and oxygen concentration 5l.
The applicable people of oxygen concentration 3l and oxygen concentration 5l are different.
Oxygen concentration 3l and oxygen concentration 5l "inhaled oxygen concentration" FiO2 value range is different.
Oxygen concentration 3l When inhaling oxygen, the oxygen flow rate is 1~3 liters, and the "oxygen concentration" can be stabilized above 90%, reaching the medical grade standard. It should be noted that although part of the oxygen concentration 3l can be adjusted to 4 liters and 5 liters of oxygen flow, the oxygen concentration will be reduced if it exceeds the range of 3L, and it is about 70% at 5 liters.
When oxygen concentration 5l is inhaling oxygen, the oxygen flow rate is 1~5 liters, and the "oxygen concentration" can be stabilized at more than 90% of the medical-grade standard, that is oxygen concentration 5l when the oxygen output is 1 to 3 liters, the oxygen concentration is stable Above 90%, when using 4 liters and 5 liters of flow, the oxygen concentration is still above 90% of the medical grade standard.
The 1 liter and 2-liter oxygen machines are suitable for: health-care oxygen inhalation for people with mild hypoxia, such as pregnant women with mild hypoxia, students who use their brains for a long time, white-collar workers, and other people. Oxygen concentration 3l applies to people: people with mild to moderate respiratory diseases, cardiovascular and cerebrovascular diseases, and three highs. Oxygen concentration 5l is suitable for: patients with severe diseases, people who need to use ventilators, and people who need to inhale oxygen for a long time every day: patients with lung diseases such as chronic obstructive pulmonary disease, pulmonary fiber, lung resection, lung cancer, pneumoconiosis, silicosis, etc.
What is FiO2? FiO2 is the English abbreviation of Fraction of Inspiration O2. The Chinese interpretation is the fraction of oxygen concentration in the inhaled gas, which is referred to as the inspired oxygen concentration for short. Commonly used to express the percentage of oxygen involved in gas exchange in the alveoli. Because oxygen concentration 3l and oxygen concentration 5l provide different ranges of medical oxygen flow, when you use the most common nasal oxygen tube (also known as a nasal cannula, nasal suction tube) for oxygen inhalation, because of oxygen inhalation The flow rate causes a difference in the inhaled oxygen concentration FiO2. "Standard Nasal Oxygen Tube" is a low-flow oxygen inhalation device, often used for oxygen therapy of no more than 6 liters/minute. It is an open oxygen inhalation. The actual oxygen concentration that reaches the lungs is the oxygen maker's oxygen mixed with air oxygen concentration.
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