Title:
CUSHION FOR PATIENT INTERFACE DEVICE, BREATHING MASK WITH CUSHION, AND METHOD AND APPARATUS FOR SAME
Document Type and Number:
WIPO Patent Application WO/2015/147947
Kind Code:
A3
Abstract:
A patient interface device and cushion for the device are respectively disclosed, for preferred CPAP and BiPAP breathing masks. The cushion has a composite structure with an open rounded polygonal profile defining a mask side layer and a slip-resistant fibrous patient side layer, with an intermediate barrier layer positioned between the first and second layers. The layers are integrally bonded together into a three-dimensional conformation defining a J-shaped cross section and an inboard patient side curl opening into an air chamber juxtaposed with one or more of the patient's airways. The body exhibits flexibility between about 4 and about 10 Taber Stiffness Units. Method and apparatus for making the cushion are further described.
Inventors:
ELLIS MICHAEL P (US)
Application Number:
PCT/US2015/000041
Publication Date:
November 19, 2015
Filing Date:
March 26, 2015
Export Citation:
Assignee:
ELLIS MICHAEL P (US)
International Classes:
A61M16/06
Domestic Patent References:
| WO2013084109A1 | 2013-06-13 |
Foreign References:
| US20120080035A1 | 2012-04-05 | |||
| US20090293880A1 | 2009-12-03 | |||
| US20110088698A1 | 2011-04-21 | |||
| US20090139525A1 | 2009-06-04 | |||
| US2931356A | 1960-04-05 |
Other References:
See also references of EP 3122410A4
Attorney, Agent or Firm:
CHIATALAS, John, L. (Plymouth, MI, US)
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