Mask with red mark alleviating pocket
US10449316B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2013 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Dec 9, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0622
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A patient interface device that overcomes the shortcomings of conventional patient interface devices is provided. One embodiment of the patient interface device provides a cushion for a patient interface device that includes a first end portion structured to contact a portion of a patient's face. The first end portion includes an inner, first surface, an outer, second surface and at least one pocket disposed between the first end portion first surface and the first end portion second surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.