Patent · US Active

Mask system with snap-fit shroud

US9757533B2 · kind B2 · utility

40Cited by
714References
65Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 2013
Grant dateSep 12, 2017
Priority date
Expiry dateAug 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.