Oxygen masks provide a way to transfer breathing oxygen from the tank to the lungs. The oxygen mask may only cover the nose and mouth (oral nasal mask) or the entire face (full mask). They can be made of plastic, silicone or rubber. In some cases, oxygen can be delivered through a nasal cannula instead of a mask.
Medical plastic oxygen mask
Medical plastic oxygen masks are mainly used by medical service providers for oxygen therapy because they are disposable and therefore can reduce cleaning costs and infection risks. The design of the mask can determine the accuracy of the oxygen delivered in many medical situations that require oxygen therapy. 21% of oxygen is naturally produced in indoor air, and a higher percentage is usually essential in medical treatment. These higher percentages of oxygen are classified as medicines, where too much oxygen may be harmful to the patient's health, leading to oxygen dependence over time and, in extreme cases, blindness. For these reasons, oxygen therapy is closely monitored. The mask is lightweight and can be fixed with an elastic headband or ear rings. They are transparent, allowing medical staff to visualize the face for patient evaluation and reduce the feeling of claustrophobia experienced by some patients while wearing an oxygen mask. Most surgical patients wear an oxygen mask at some stage. They may wear a nasal catheter, but the oxygen delivered in this way is less accurate and limited in concentration.
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