ADJUSTABLE NASAL PRONG AND HEADGEAR ASSEMBLY
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United States of America Patent
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app pub date -
Jul 11, 2016
filing date -
Mar 25, 2010
priority date (Note) -
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Abstract
The invention is directed to a ventilation interface, which includes a cannula having one or more nasal prongs, a ventilation tube connected to the cannula and headgear. The cannula is secured onto the patient through one or more arced couplers positioned between the cannula and headgear. The cannula has a first side wall, a second side wall and a top wall which form a reservoir. The top wall includes a first portion, a second portion and a notch positioned between the first portion and second portion. The ventilation tube includes one or more bleed ports and provides breathable gas to a patient. The headgear includes a first strap and a second strap. The first strap includes a first portion and second portion that contains two or more slots to connect the second strap. Each portion of the first strap includes an inner layer and an outer layer.
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