Mask system with snap-fit shroud
US9757533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2013 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Aug 24, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A full-face mask system for delivery of a supply of gas at positive pressure to a patient for medical treatment includes a shroud, a cushion module adapted to form a seal with the patient's nose and mouth, an elbow, and headgear. The cushion module includes a frame and a cushion. The frame includes an opening that releasably receives a distal end of the elbow with a snap-fit, wherein an inner edge of the opening and the distal end of the elbow together form a retention structure to retain the elbow to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.