Solution for pulmonary disease necessitating at home oxygen therapy.
Some pulmonary diseases are affecting the lungs in a way where the need for oxygen varies depending on the activities of the patient. In example, a patient sitting down may need 1L per minute of continuous oxygen; when walking that oxygen need may increase to 2L per minute, when walking up a flight of stairs that need may increase to 3L per minutes.
One problematic:
Medical point of view:
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