Reservoir Mask
It consists of a face mask connected to a reservoir bag that's filled with a high concentration of oxygen. The reservoir bag is connected to an oxygen tank. The mask covers both your nose and mouth. One-way valves prevent exhaled air from reentering the oxygen reservoir.

For acutely breathless patients not at risk of hypercapnic respiratory failure who have saturations below 85%, treatment should be started with a reservoir mask at 15 L/min in the first instance.
https://bmjopenrespres.bmj.com/content/4/1/e000170

Reservoir mask at 15L oxygen flow
seek medical advice
I f reservoir mask required
seek senior medical Input immediately
https://www.google.com/url?esrc=s&q=&rct=j&sa=U&url=https://...

Reservoir Mask  Two types are commonly used: 1) Partial rebreathing mask 2) Non rebreathing  Both are disposable, light wt.,transperent plastic under the chin reservoirs.  Diff. between two is placement of a valve between mask and bag and over mask.
https://www.slideshare.net/drhimanshuj/oxygen-delivery-devic...

Patients with asthma, left ventricular failure, pneumonia, pneumothorax, trauma, etc, should be treated appropriately for their condition using 40%–60% oxygen via a medium concentration mask (4–10 l/min) for milder cases or a reservoir mask for hypoxic patients and for all major trauma cases.
https://www.calendar-canada.ca/faq/how-many-liters-of-oxygen...





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actually used to administer oxygen to patient