A patient interface includes a sealing arrangement adapted to provide an effective seal with the patient's nose, an inlet conduit arrangement adapted to deliver breathable gas to the sealing arrangement, and a cover that substantially encloses the sealing arrangement and/or the inlet conduit arrange
A patient interface includes a sealing arrangement adapted to provide an effective seal with the patient's nose, an inlet conduit arrangement adapted to deliver breathable gas to the sealing arrangement, and a cover that substantially encloses the sealing arrangement and/or the inlet conduit arrangement.
대표청구항▼
1. A patient interface for delivery of a supply of pressurized air or breathing gas to the nares of a person, the patient interface comprising: a frame;a unitary porous sealing portion provided to the frame and arranged to form a seal with an underside of the patient's nose, the porous sealing porti
1. A patient interface for delivery of a supply of pressurized air or breathing gas to the nares of a person, the patient interface comprising: a frame;a unitary porous sealing portion provided to the frame and arranged to form a seal with an underside of the patient's nose, the porous sealing portion being configured to seal with lateral external surfaces of the person's nares such that the porous sealing portion is configured to cradle the lateral external surfaces of the person's nares, the porous sealing portion being air permeable; andan inlet conduit including a first end provided to the frame and a second end adapted to receive the supply of pressurized air or breathing gas from a source and deliver the supply to the first end. 2. The patient interface of claim 1, wherein the porous sealing portion is constructed from a foam. 3. The patient interface of claim 2, wherein the foam includes an unskinned arrangement. 4. The patient interface of claim 2, wherein the foam includes a soft viscoelastic foam. 5. The patient interface of claim 1, wherein the porous sealing portion is constructed from a textile. 6. The patient interface of claim 5, wherein the textile includes one or more layers of textile material. 7. The patient interface of claim 1, wherein the porous sealing portion provides an intentional/controlled leak between the person's skin and the frame. 8. The patient interface of claim 1, wherein the porous sealing portion provides a necessary volume of CO2 washout without additional CO2 vent holes. 9. The patient interface of claim 1, wherein the inlet conduit is moulded and covered in a textile. 10. The patient interface of claim 1, wherein the inlet conduit is constructed from a woven textile. 11. The patient interface of claim 1, wherein the inlet conduit includes a first inlet conduit and a second inlet conduit provided to respective sides of the frame. 12. The patient interface of claim 1, further comprising a connector provided to the second end of the inlet conduit, said connector constructed and arranged to interconnect the inlet conduit with an air delivery tube connected to a flow generator. 13. The patient interface of claim 1, wherein the inlet conduit includes a non-cylindrical cross-sectional shape. 14. The patient interface of claim 1, wherein the frame is constructed of a silicone material. 15. The patient interface of claim 1, wherein the frame is constructed of a rigid material. 16. The patient interface of claim 2, wherein the foam has an open cell arrangement. 17. The patient interface of claim 2, wherein the foam is breathable so as to prevent condensation buildup. 18. The patient interface of claim 1, wherein the porous sealing portion includes an aperture formed therein, the frame including an opening formed therein in alignment with the aperture so as to deliver the pressurized air or breathing gas from the inlet conduit to the person's nares. 19. The patient interface of claim 1, wherein the frame is cylindrically shaped, the unitary porous sealing portion is provided over a portion of the frame to substantially match a curvature of the cylindrically shaped frame and thereby arranged to form the seal with the underside of the patient's nose. 20. The patient interface of claim 19, wherein the porous sealing portion includes a foam layer provided over an external surface of the cylindrically shaped frame. 21. The patient interface of claim 19, wherein the opening in the frame extends over an arc-shaped portion of the cylindrically shaped frame. 22. A patient interface for delivery of a supply of pressurized air or breathing gas to the nose of a person, the patient interface comprising: a frame;a porous sealing portion provided to the frame and adapted to form a seal with external surface of an underside of the person's nose below and adjacent a tip of the person's nose , wherein the porous sealing portion is air permeable; andan inlet conduit including a first end provided to the frame and a second end adapted to receive the supply of pressurized air or breathing gas from a source and deliver the supply to the first end,wherein the porous sealing portion includes an aperture to deliver the supply to the person's nasal passageways, and the aperture is arranged to be positioned externally of the person's nasal passageways when the patient interface is worn. 23. The patient interface of claim 22, wherein the porous sealing portion is constructed from a foam. 24. The patient interface of claim 23, wherein the foam includes an unskinned arrangement. 25. The patient interface of claim 23, wherein the foam includes a soft viscoelastic foam. 26. The patient interface of claim 22, wherein the porous sealing portion provides an intentional/controlled leak between the person's skin and the frame. 27. The patient interface of claim 22, wherein the porous sealing portion is adapted to cradle the person's external nares. 28. The patient interface of claim 23, wherein the foam has an open cell arrangement. 29. The patient interface of claim 23, wherein the foam is breathable so as to prevent condensation buildup. 30. The patient interface of claim 22, wherein the frame has a cylindrical shape and the porous sealing portion includes a foam layer provided over an external surface of the cylindrically shaped frame. 31. The patient interface of claim 22, wherein the frame has a cylindrical shape and includes an opening formed therein in alignment with the aperture so as to deliver the pressurized air or breathing gas from the inlet conduit to the person's nasal passageways. 32. The patient interface of claim 22, wherein the aperture separates the porous sealing portion into a proximal portion and a distal portion with respect to an upper lip of the person when the patient interface is worn, wherein the aperture is arranged such that an underside of the person's nose spans the aperture and causes the underside of the person's nose to rest on the distal portion of the porous sealing portion when the patient interface is worn.
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