NZ784458B2 - Adjustable headgear tubing for a patient interface - Google Patents
Adjustable headgear tubing for a patient interface Download PDFInfo
- Publication number
- NZ784458B2 NZ784458B2 NZ784458A NZ78445817A NZ784458B2 NZ 784458 B2 NZ784458 B2 NZ 784458B2 NZ 784458 A NZ784458 A NZ 784458A NZ 78445817 A NZ78445817 A NZ 78445817A NZ 784458 B2 NZ784458 B2 NZ 784458B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- patient
- gas delivery
- patient interface
- delivery tubes
- plenum chamber
- Prior art date
Links
- 239000003570 air Substances 0.000 claims abstract 17
- 230000001225 therapeutic effect Effects 0.000 claims abstract 11
- 230000003019 stabilising effect Effects 0.000 claims abstract 7
- 239000013013 elastic material Substances 0.000 claims abstract 5
- 239000012080 ambient air Substances 0.000 claims abstract 2
- 230000000241 respiratory effect Effects 0.000 claims abstract 2
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims 24
- 239000000463 material Substances 0.000 claims 6
- 229920001296 polysiloxane Polymers 0.000 claims 3
- 206010003497 Asphyxia Diseases 0.000 claims 1
- 210000005069 ears Anatomy 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 210000000103 occipital bone Anatomy 0.000 claims 1
Abstract
patient interface for sealed delivery of a flow of air at a therapeutic pressure of at least 4 cmH2O with respect to ambient air pressure throughout the patient’s respiratory cycle in use, the patient interface comprising: a cushion assembly comprising: a plenum chamber pressurisable to the therapeutic pressure, said plenum chamber including a pair of plenum chamber inlet ports, each of the plenum chamber inlet ports being sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient; a nasal seal-forming structure that is configured to contact and seal against the patient’s face and around the patient’s nose in use, the nasal seal-forming structure having a nasal hole configured to deliver the flow of air at said therapeutic pressure to the patient’s nares in use, and the nasal seal-forming structure being joined to the plenum chamber; a positioning and stabilising structure configured to hold the cushion assembly in a therapeutically effective position on a head of a patient, the positioning and stabilising structure comprising: two gas delivery tubes, each of the two gas delivery tubes being connected at a first end to a corresponding one of plenum chamber inlet ports to deliver the flow of air to the entrance to the patient's airways via the cushion assembly, each of the two gas delivery tubes being configured to be positioned on a corresponding lateral side of the patient’s head in use, each of the two gas delivery tubes being constructed and arranged to contact, in use, at least a region of the patient’s head superior to an otobasion superior of the patient’s head, and each of the two gas delivery tubes comprising a tab projecting in a generally posterior direction relative to the patient’s head in use, the tab having a hole; a connection port configured to fluidly connect, in use, the gas delivery tubes with an air circuit to deliver the flow of air to the patient’s airways, the connection port configured to be located, in use, superior to the patient’s head; a length-adjustable rear strap, an end of the length-adjustable rear strap being configured to pass through the hole of the tab to removably connect the length-adjustable rear strap to the gas delivery tube and the length-adjustable rear strap being configured, in use, to pass around a posterior portion of the patient’s head; and a sleeve constructed from an elastic material that at least partially covers each of the two gas delivery tubes, the sleeve comprising a pair of side holes, the tab of each of the gas delivery tubes extending through a corresponding one of the side holes.
Claims (30)
1. A patient interface for sealed delivery of a flow of air at a therapeutic pressure of at least 4 cmH O with respect to ambient air pressure throughout the patient’s respiratory cycle in use, the patient interface comprising: a cushion assembly comprising: a plenum chamber pressurisable to the therapeutic pressure, said plenum chamber including a pair of plenum chamber inlet ports, each of the plenum chamber inlet ports being sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient; a nasal seal-forming structure that is configured to contact and seal against the patient’s face and around the patient’s nose in use, the nasal seal-forming structure having a nasal hole configured to deliver the flow of air at said therapeutic pressure to the patient’s nares in use, and the nasal seal-forming structure being joined to the plenum chamber; a positioning and stabilising structure configured to hold the cushion assembly in a therapeutically effective position on a head of a patient, the positioning and stabilising structure comprising: two gas delivery tubes, each of the two gas delivery tubes being connected at a first end to a corresponding one of plenum chamber inlet ports to deliver the flow of air to the entrance to the patient's airways via the cushion assembly, each of the two gas delivery tubes being configured to be positioned on a corresponding lateral side of the patient’s head in use, each of the two gas delivery tubes being constructed and arranged to contact, in use, at least a region of the patient’s head superior to an otobasion superior of the patient’s head, and each of the two gas delivery tubes comprising a tab projecting in a generally posterior direction relative to the patient’s head in use, the tab having a hole; a connection port configured to fluidly connect, in use, the gas delivery tubes with an air circuit to deliver the flow of air to the patient’s airways, the connection port configured to be located, in use, superior to the patient’s head; a length-adjustable rear strap, an end of the length-adjustable rear strap being configured to pass through the hole of the tab to removably connect the length- 506131NZDIV2 / P1297NZ3 adjustable rear strap to the gas delivery tube and the length-adjustable rear strap being configured, in use, to pass around a posterior portion of the patient’s head; and a sleeve constructed from an elastic material that at least partially covers each of the two gas delivery tubes, the sleeve comprising a pair of side holes, the tab of each of the gas delivery tubes extending through a corresponding one of the side holes.
2. The patient interface of claim 1, wherein the elastic material is an elastic fabric.
3. The patient interface of claim 1 or claim 2, further comprising an elbow including a first end rotatably connected to the positioning and stabilising structure at the connection port and a second end having a swivel configured to be connected to the air circuit, the elbow being rotatable 360° about the connection port, the swivel being rotatable 360° about the second end of the elbow, and the elbow being configured to direct the flow of air from the air circuit to the gas delivery tubes via the connection port.
4. The patient interface of claim 3, wherein the sleeve comprises a center hole, the connection port being exposed through the center hole to allow the first end of the elbow to be rotatably connected to the positioning and stabilising structure at the connection port.
5. The patient interface of any one of claims 1 to 4, wherein the length-adjustable rear strap is configured to overlay or lie inferior to the occipital bone of the patient’s head in use.
6. The patient interface of any one of claims 1 to 5, wherein the patient interface comprises a plurality of vent holes sized and shaped to maintain the therapeutic pressure in the plenum chamber and configured to allow washout of exhaled gases from within the plenum chamber to ambient.
7. The patient interface of claim 6, wherein the plenum chamber comprises the plurality of vent holes. 506131NZDIV2 / P1297NZ3
8. The patient interface of any one of claims 1 to 7, wherein the nasal seal-forming structure is constructed from silicone.
9. The patient interface of any one of claims 1 to 8, wherein the plenum chamber comprises a shell.
10. The patient interface of any one of claims 1 to 9, wherein the cushion assembly further comprises an oral seal-forming structure that is configured to seal around the patient’s mouth in use, the oral seal-forming structure having an oral hole configured to deliver the flow of air at said therapeutic pressure to the patient’s mouth in use, and the oral seal-forming structure being joined to the plenum chamber.
11. The patient interface of claim 10, wherein the oral seal-forming structure is constructed from silicone.
12. The patient interface of claim 10 or 11, wherein the nasal seal-forming structure and the oral seal-forming structure are integrally formed.
13. The patient interface of claim 10 or 11, wherein the nasal seal-forming structure and the oral seal-forming structure are removably attached.
14. The patient interface of any one of claims 10 to 13, further comprising an anti- asphyxia valve configured to allow the patient to breathe from ambient in the absence of the flow of air at the therapeutic pressure.
15. The patient interface of any one of claims 10 to 14, wherein the positioning and stabilising structure further comprises a length-adjustable lower strap configured to pass behind the patient’s head and below the patient’s ears to indirectly connect to the oral seal-forming structure. 506131NZDIV2 / P1297NZ3
16. The patient interface of claim 15, wherein the lower strap is not connected to the two gas delivery tubes.
17. The patient interface of any one of claims 1 to 16, wherein each of the gas delivery tubes is configured to extend, in use, across the patient’s corresponding cheek region.
18. The patient interface of any one of claims 1 to 17, wherein each of the two gas delivery tubes is configured to extend, in use, between the patient’s corresponding eye and the patient’s corresponding ear.
19. The patient interface of any one of claims 1 to 18, wherein the length-adjustable rear strap comprises a loop material and a hook material portion, the loop material and the hook material portion being configured to removably connect the length-adjustable rear strap to the tab.
20. The patient interface of any one of claims 1 to 19, wherein each of the gas delivery tubes comprises a concertina portion that is more flexible than adjacent portions of the gas delivery tube.
21. The patient interface of claim 20, wherein each of the two gas delivery tubes varies in width and diameter along the length of each concertina portion.
22. The patient interface of claim 20 or 21, wherein each of the two gas delivery tubes tapers along the length of each concertina portion so that the width and diameter of each of the two gas delivery tubes at one end of the concertina portion is smaller than the width and diameter of each of the two gas delivery tubes at the other end of concertina portion. 506131NZDIV2 / P1297NZ3
23. The patient interface of any one of claims 20 to 22, wherein each concertina portion is positioned between the tab of a corresponding one of the gas delivery tubes and the connection port.
24. The patient interface of any one of claims 20 to 23, wherein the sleeve covers each concertina portion.
25. The patient interface of any one of claims 20 to 24, wherein each concertina portion is positioned on a corresponding one of the gas delivery tubes so as to be spaced away from the patient’s face during use.
26. The patient interface of any one of claims 20 to 25, wherein each concertina portion is positioned on a corresponding one of the gas delivery tubes so as to be spaced away from the patient’s corresponding cheek during use.
27. The patient interface of any one of claims 1 to 26, wherein each of the two gas delivery tubes is constructed from a relatively flexible material.
28. The patient interface of claim 27, wherein the relatively flexible material is silicone.
29. The patient interface of any one of claims 1 to 28, wherein the sleeve is constructed from a single sheet of elastic material.
30. The patient interface of any one of claims 1 to 28, wherein the sleeve is constructed from multiple sheets of the elastic material that are connected together. 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3 506131NZDIV2 / P1297NZ3
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662281322P | 2016-01-21 | 2016-01-21 | |
| AU2016901163A AU2016901163A0 (en) | 2016-03-30 | Adjustable Headgear for a Patient Interface | |
| US201662330371P | 2016-05-02 | 2016-05-02 | |
| PCT/AU2017/050044 WO2017124152A1 (en) | 2016-01-21 | 2017-01-20 | Adjustable headgear tubing for a patient interface |
| NZ772913A NZ772913B2 (en) | 2017-01-23 | Adjustable headgear tubing for a patient interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ784458A NZ784458A (en) | 2024-09-27 |
| NZ784458B2 true NZ784458B2 (en) | 2025-01-07 |
Family
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