Patent 10933210 was granted and assigned to Fisher & Paykel Healthcare on March, 2021 by the United States Patent and Trademark Office.
Nasal cannulas for providing respiratory therapy to patients can have a curved prong section that has turbulation elements on the inside curve of the prong. A flow of breathing gas moving through the prong may incur less resistance and create less noise when flowing through such a prong due to the promotion of favorable flow dynamics.