In 1955, the Pizza Hut restaurant was first commenced. Its first logo featured its only mascot Pete holding the words Pizza and Hut. 1967â1999. In 1967, the chain began using a new and simplified logo featuring the now-famous red roof design (which is still used albeit in a modified form today).
Oxygen therapy can be delivered using a low flow or high flow system. All high flow systems require humidification. The type of humidification device selected will depend on the oxygen delivery system in use, and the patient's requirements. The humidifier should always be placed at a level below the patient's head.
Now letâs look at popular portable oxygen concentrators. First, some POCs provide both continuous and pulse flow options, while some only offer pulse flow. When not in continuous flow, all POCs use an electronic conserver that is built into the unit, thus all POCs use a pulse delivery method.