IP Library › Granted Patent US 12,508,387
Granted Patent B2
US 12,508,387 · App. 18/359,927 · Granted Dec 30, 2025

Patient interface systems

Inventor: Adam Francis Barlow (Sydney, AU)
Assignee: ResMed Pty Ltd
A61M16/0688A61M16/0611A61M16/0666A61M16/0683A61M2205/0216
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Quick Facts
Patent No.
US 12,508,387
App. No.
18/359,927
Granted
Dec 30, 2025
Kind
B2
Abstract

A patient interface system includes a nasal seal of flexible material to communicate with at least one airway of the patient, and a primary headgear from which the nasal seal is suspended, said primary headgear having at least one aperture though which at least a portion of the nasal seal is inserted with the primary headgear wrapping about at least one portion of the nasal seal in a sling-like fashion.

Claims (34)

1 . A patient interface system comprising:

a nasal seal of flexible material configured to sealingly engage a patient's face and communicate with at least one airway of the patient, the nasal seal forming an air flow path to said at least one airway of the patient; and

a primary headgear to which the nasal seal is removably attached, said primary headgear including a fabric and/or textile material connected to at least a portion of the nasal seal, with the primary headgear configured to be removably attachable to an adhesive strip positioned on the patient,

wherein the primary headgear comprises a reinforcing layer at an interface between the primary headgear and the nasal seal that resists deformation and/or tearing,

wherein the air flow path extends through the interface between the primary headgear and the nasal seal when the nasal seal and the primary headgear are attached to each other, and

wherein a central portion of a surface of the primary headgear that is configured to engage the patient's upper lip has a concave shape so that the primary headgear engages the patient's upper lip while avoiding contact with the patient's septum, in use.

2 . The patient interface system of claim 1 , wherein the primary headgear is flexible.

3 . The patient interface system of claim 1 , wherein the primary headgear includes a laminate that has a soft first inner layer to face the patient and a second outer layer opposite to the first inner layer.

4 . The patient interface system of claim 1 , wherein the reinforcing layer extends at least partially around the interface between the primary headgear and the nasal seal.

5 . The patient interface system of claim 1 , wherein the nasal seal comprises a nares seal portion configured to substantially surround both nasal openings of the patient, and a stub that extends through an aperture of the primary headgear.

6 . The patient interface system of claim 1 , further comprising a pair of apertures provided in a center section of the primary headgear, and the nares seal comprises a pair of generally hollow nozzles that extend through respective ones of the pair of apertures.

7 . The patient interface system of claim 6 , wherein the nozzles have a cross sectional size that is greater than a cross sectional size of the apertures in at least one dimension.

8 . The patient interface system of claim 6 , wherein:

the nozzles are made of a resilient material that is deformable between a normal position and a compressed position,

the nozzles and the primary headgear are configured to be assembled to each other by inserting the nozzles through the apertures and interlock with each other after the nozzles have passed through the apertures, and

wherein the nozzles are configured to compress to the compressed position while passing through the apertures and return to the normal position after passing through the apertures.

9 . The patient interface system of claim 6 , wherein the apertures are round.

10 . The patient interface system of claim 6 , wherein the apertures are oval and have major axes that converge towards one another in a direction oriented towards a front side of the nasal seal.

11 . The patient interface system of claim 6 , wherein the concave shape is formed on an anterior edge of the primary headgear and faces away from the pair of apertures provided in a center section of the primary headgear.

12 . The patient interface system of claim 1 , wherein the reinforcing layer has a torus or donut shape.

13 . A patient interface system comprising:

a nasal seal of flexible material configured to sealingly engage a patient's face and communicate with at least one airway of the patient, the nasal seal forming an air flow path to said at least one airway of the patient; and

a primary headgear including a section having at least one aperture through which at least a portion of the nasal seal extends, wherein the nasal seal is positively located against a rim surrounding each of the at least one aperture,

wherein each rim comprises a reinforcing structure that resists deformation and/or tearing and extends at least partially around the respective rim,

wherein the air flow path extends through the at least one aperture when the nasal seal and the primary headgear are attached to each other, and

wherein a central portion of a surface of the primary headgear that is configured to engage the patient's upper lip has a concave shape so that the primary headgear engages the patient's upper lip while avoiding contact with the patient's septum, in use.

14 . The patient interface system of claim 13 , wherein the primary headgear includes a fabric and/or textile.

15 . The patient interface system of claim 13 , further comprising a secondary headgear to extend around the back of the patient's head.

16 . The patient interface system of claim 15 , wherein the secondary headgear is configured to extend below the ears of the patient in use and is connectable to one or more lateral side portions and/or connectors of the nasal seal, and

wherein at least one end of the secondary headgear includes a hook to be secured with a corresponding structure on the nasal seal.

17 . The patient interface system of claim 15 , wherein the secondary headgear is connected to lateral side portions of the primary headgear and includes at least one adjustable length portion connected by a buckle.

18 . The patient interface system of claim 15 , wherein the primary and secondary headgears are integrally formed with one another, or are formed in one piece with one another.

19 . The patient interface system of claim 13 , wherein each reinforcing structure comprises a torus or donut shape.

20 . The patient interface system of claim 13 , wherein the concave shape is formed on an anterior edge of the primary headgear and faces away from the at least one aperture in the primary headgear.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 27, 2023
From: BARLOW, ADAM FRANCIS
To: RESMED LIMITED
Reel/Frame 064397/0973 →
CHANGE OF NAME AND CHANGE OF ADDRESS Recorded Jul 27, 2023
From: RESMED LIMITED
To: RESMED PTY LTD
Reel/Frame 064398/0001 →
Continuity (10)
Continuation 17100127 · Nov 20, 2020
Continuation 16015388 · Jun 22, 2018
Continuation 14534251 · Nov 6, 2014
Continuation 13372792 · Feb 14, 2012
Continuation In Part 12478537 · Jun 4, 2009
Provisional Application 61552064 · Oct 27, 2011
Provisional Application 61457272 · Feb 16, 2011
Provisional Application 61080847 · Jul 15, 2008
Provisional Application 61058659 · Jun 4, 2008
Related Publication 20230364372A1 · Nov 16, 2023
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