Why are ventilators so important to the COVID-19 pandemic?
The ventilator has good performance in the operating room, ICU department and first aid. For adults, children and newborns weighing more than 2kg, it is used to assist or replace spontaneous breathing. Save the lives of patients in critical moments.
First of all, the ventilator, in popular terms, is to blow into the lungs from the mouth, like a pump. Everyone knows that when you breathe normally, you know that it takes effort to inhale, muscles have to support the lungs, and as long as you breathe out, the atmospheric pressure will naturally be suppressed. For various reasons, if the energy is not enough to rely on your own strength, then using the "pump" after opening the airway has become a common choice.
The COVID-19 pandemic has brought public attention to a piece of medical equipment that most of us may not have considered before.
As the United States and other parts of the world desperately deal with the COVID-19 pandemic, hospitals are facing a severe shortage of ventilators, which are bedside devices that can help patients who have difficulty breathing on their own.
According to the New York Times report on March 18, 2020, American hospitals have approximately 160,000 ventilators, and another 12,700 are available from the Federal Government's National Strategic Reserve. Virus.
The boxy mechanical equipment with a digital display on the top is usually located on a trolley next to the bed. As explained on the website of the National Heart, Lung, and Blood Institute, the patient is connected to the device through a breathing tube that is inserted into his or her throat through his or her nose or mouth. The breathing tube is taped or tied around the device. The straps are fixed in place. head. The tubes in the airway can cause some discomfort and can also affect the patient's ability to speak or eat. This is why the care team may insert another tube in the vein to provide nutrition to the patient, or-if the person is going to use the ventilator for a long time-insert a nasogastric feeding tube through it directly into the stomach or An opening in the small intestine created by surgery.
The humidifier provided with the ventilator can heat and moisturize the breathing gas, so that the patient can breathe comfortably. Fast oxygen supply, high flow rate of oxygen is automatically provided within two minutes. Atomization turns the medicine into small liquids and small particles, making it easier and faster for patients to inhale. The high-temperature resistance breathing circuit is reusable and anti-pollution. Ventilators have played a major role in this battle against the epidemic.
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