The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2022
Filed:
Nov. 07, 2019
Fisher & Paykel Healthcare Limited, Auckland, NZ;
Gregory James Olsen, Auckland, NZ;
Melissa Catherine Bornholdt, Auckland, NZ;
Campbell Neil Addison Martin, Auckland, NZ;
Tony William Spear, Auckland, NZ;
Simon Mittermeier, Auckland, NZ;
Hamish Joshua Rose, Auckland, NZ;
Max Leon Betteridge, Auckland, NZ;
Christopher Earl Nightingale, Auckland, NZ;
Matthew James Pedersen, Auckland, NZ;
Sophia Adele Johnson, Auckland, NZ;
Mark John Arrowsmith, Auckland, NZ;
Fisher & Paykel Healthcare Limited, Auckland, NZ;
Abstract
A respiratory mask for providing positive pressure therapy and a bias-flow venting system configured to reduce discernable draft generated by exhausted air are disclosed herein. The respiratory mask has a ball jointed elbow, one or more detachable forehead pieces and a headgear with a spacer fabric region. The elbow is configured to be removable when oriented to a predetermined position. The forehead pieces are provided in one or more sizes. The spacer fabric region having two or more layers wherein the raw edges are turned to the inside of the layers. The seal having improved seal performance and accommodating a wider variety of facial geometries. The bias-flow system having a tube and exhaust holes radially aligned on a bead of the tube. The bias-flow system also having an annular component exhaust holes and a shroud having a plenum chamber around the exhaust holes.