A respiratory mask assembly includes a rigid mask frame and a cushion. A clip secures the cushion to the frame.
대표청구항▼
1. A respiratory mask assembly for delivering breathable gas to a patient, comprising: a substantially rigid mask frame defining a cavity with an opening;a silicone mask seal to seal with the patient's face; anda plastic clip member detachably engaged with the mask frame so as to retain the mask sea
1. A respiratory mask assembly for delivering breathable gas to a patient, comprising: a substantially rigid mask frame defining a cavity with an opening;a silicone mask seal to seal with the patient's face; anda plastic clip member detachably engaged with the mask frame so as to retain the mask seal on the mask frame, the clip member being resiliently movable outwards relative to the frame to disengage the clip member from the frame. 2. The respiratory mask assembly according to claim 1, wherein the clip member includes at least one securing tab engageable with the mask frame. 3. A respiratory mask assembly according to claim 1, wherein said mask seal is a nasal seal. 4. A respiratory mask assembly according to claim 1, wherein the mask frame and clip member are made of polycarbonate. 5. A nasal mask assembly comprising: a substantially rigid mask frame including at least one first engagement feature;a nasal cushion provided to the frame, the nasal cushion and frame, when combined, defining a nasal breathing cavity;a plastic clipping structure to secure the cushion to the frame, said clipping structure including at least one second engagement feature that fits over the frame and engages with the at least one first engagement feature of the frame when assembling the cushion to the frame, the clipping structure being resiliently movable outwards relative to the frame to disengage the clipping structure from the frame; anda T-shaped forehead support extending from the frame, said forehead support being structured to secure a forehead pad to each lateral side of the T-shape, said forehead support including slots at each end of the T-shape to receive patient headgear. 6. A nasal mask assembly according to claim 5, wherein the clipping structure is of complementary shape to the cushion and frame. 7. A nasal mask assembly according to claim 5, wherein the cushion and frame engage one another via a tongue and groove arrangement. 8. A nasal mask assembly according to claim 7, wherein the tongue is provided to the frame and the groove is provided to the cushion. 9. A nasal mask assembly according to claim 5, wherein the frame and clipping structure comprise polycarbonate and the nasal cushion comprises silicone. 10. A nasal mask assembly according to claim 5, wherein the at least one first and second engagement features include a plurality of first and second engagement features. 11. A nasal mask assembly according to claim 10, wherein one of the first and second engagement features comprises a resiliently deformable detent. 12. A nasal mask assembly according to claim 5, wherein the frame is associated with a slotted point of connection on each lateral side thereof to receive the patient headgear. 13. A nasal mask for delivery of breathable gas to a patient for treatment of sleep disordered breathing, comprising: a substantially rigid mask frame made of transparent polycarbonate or similar transparent plastics material, the frame having a front gas inlet aperture,the frame having an apex and left and right lateral portions depending from the apex, as well as a bottom portion, opposite the apex, that connects the lateral portions,the frame being structured and configured to cover the patient's nose, the frame including a cavity including a rear opening opposite to the front gas inlet aperture,the frame having a frame rim surrounding the rear opening and being configured to follow a locus approximating contours of the patient's face,the frame having a plurality of first interlocking structures located along the rim of the frame in discretely spaced locations, the plurality of first interlocking structures being located at the left lateral portion of the frame, the right lateral portion of the frame, and the bottom portion of the frame,the frame having a lower pair of strap connection points,the frame having an extension to support a forehead support, the forehead support having a bridge portion with two spaced apart forehead pads, the forehead support including an upper pair of strap connection points,headgear having a pair of lower straps to connect to the lower pair of strap connection points and a pair of upper straps to connect to the upper pair of strap connection points,a cushion made of silicone or other material that is relatively soft compared to the frame, the cushion having a shoulder and a cushion rim,a clip made of polycarbonate or similar plastics material, the clip having a complementary shape to the cushion rim and the frame rim, the clip being structured to fit over the cushion rim and the frame rim, andthe clip having a plurality of second interlocking structures to interlock with the plurality of first interlocking structures located at the frame, the frame having a receiving space located radially outward of the frame rim, the receiving space being positioned above the apex and adjacent the extension, the clip having a guide that aligns with the receiving space to guide the clip into place when the clip is secured to the frame, the receiving space and the guide being separate from the first and second interlocking structures. 14. The nasal mask according to claim 13, wherein the clip has a rear side with an inwards flange to engage behind the shoulder of the cushion. 15. The nasal mask according to claim 13, wherein the clip is resiliently movable outwards relative to the frame to disengage the plurality of first and second interlocking structures relative to one another. 16. The nasal mask according to claim 15, wherein the clip and the cushion are separately attachable to the frame. 17. A respiratory mask for a patient, comprising: a substantially rigid mask frame,the frame having a rim including an apex, left and right lateral portions depending from the apex, as well as a bottom portion, opposite the apex, that connects the lateral portions,the frame being structured and configured to cover at least the patient's nose,the frame having a plurality of first interlocking structures located along the rim of the frame in discretely spaced locations,a cushion including material that is relatively soft compared to the frame,a clip made of resilient plastics material, the clip being structured to fit over the frame rim, andthe clip having a plurality of second interlocking structures to interlock with the plurality of first interlocking structures located at the frame, wherein the clip is resiliently movable outwards relative to the frame to disengage the clip from the frame. 18. The respiratory mask according to claim 17, wherein the clip has a rear side with an inwards flange to engage behind a shoulder of the cushion. 19. The respiratory mask according to claim 17, wherein the frame has a receiving space located radially outward of the rim and positioned above the apex, and the clip has a guide that aligns with the receiving space to guide the clip into place when the clip is secured to the frame, the receiving space and the guide being separate from the plurality of first and second interlocking structures. 20. The respiratory mask according to claim 17, wherein the frame is a nasal mask frame. 21. The respiratory mask according to claim 17, wherein the frame is an oro-nasal mask frame. 22. The respiratory mask according to claim 17, wherein the clip and the frame are polycarbonate, and the cushion is silicone. 23. A respiratory mask for a patient, comprising: a substantially rigid mask frame,the frame having a rim including an apex, left and right lateral portions depending from the apex, as well as a bottom portion, opposite the apex, that connects the lateral portions,the frame having a breathing cavity structured and configured to cover at least the patient's nose,the frame having a plurality of first engaging structures located along the rim of the frame in discretely spaced locations, the first engaging structures oriented outwardly away from the breathing cavity,a cushion including material that is relatively soft compared to the frame,a clip including resilient plastics material, andthe clip having a plurality of second engaging structures to engage with the plurality of first engaging structures located at the frame, the second engaging structures of the clip being resiliently structured to fit over the frame rim to engage with the plurality of first engaging structures, wherein the clip is resiliently movable outwards relative to the frame to disengage the plurality of first and second engaging structures relative to one another. 24. The respiratory mask according to claim 23, wherein the clip and the frame are polycarbonate, and the cushion is silicone. 25. The respiratory mask according to claim 23, wherein the cushion and the clip are separable. 26. The respiratory mask according to claim 23, wherein the cushion and the clip are separate components. 27. The respiratory mask according to claim 23, wherein the cushion and frame form a seal, with no locking, while the frame and the clip lock relative to one another with substantially no sealing. 28. The respiratory mask according to claim 23, wherein, to disengage the first and second engaging structures, the second engaging structures are forced outwardly against their natural resilience to release from the first engaging structures and to ride over an outer edge of the frame. 29. The respiratory mask according to claim 26, wherein the clip is structured to be anchored at one end of the frame, and pivoted or articulated to connect another end of the frame. 30. A respiratory mask assembly for delivering breathable gas to a patient, comprising: a mask frame having a first cooperating interlocking structure;a mask cushion provided to the frame;a plastic cushion clip to retain the mask cushion on the mask frame, the cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking with one another in a cooperating relationship to secure the cushion clip on the mask frame;an elbow joint provided to the frame and having a swivel tube adapted to connect to a gas delivery conduit;wherein the first and second cooperating interlocking structures are provided to at least a bottom and left and right sides of the mask frame and cushion clip, and include a tab-recess arrangement in which a plurality of tabs are engageable within respective recesses in interlocking relation to secure the clip to the frame, and wherein the cushion clip is resiliently movable outwards relative to the frame to disengage the plurality of tabs and recesses from one another. 31. A respiratory mask assembly according to claim 30, wherein each tab is resiliently movable. 32. A respiratory mask assembly according to claim 30, wherein the cushion includes an outwardly extending portion received on a rim extending around the periphery of the mask frame. 33. A respiratory mask assembly for delivering breathable gas to a patient, comprising: a mask frame having a first cooperating interlocking structure;a plastic cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking with one another in a cooperating relationship to secure the cushion clip on the mask frame; anda seal portion adapted to form a seal on the patient's face and having an outer peripheral portion positioned between the mask frame and the cushion clip so as to seal the seal portion on the mask frame, wherein the cushion clip is resiliently movable outwards relative to the frame to disengage the cushion clip from the frame. 34. A respiratory mask assembly according to claim 33, wherein the first and second interlocking structures include a tab-recess arrangement in which a plurality of tabs are engageable within respective recesses to secure the clip on the frame. 35. A respiratory mask assembly according to claim 34, wherein the first and second cooperating interlocking structures are provided to at least a bottom and left and right sides of the mask frame and cushion clip. 36. A respiratory mask assembly for delivering breathable gas to a patient, comprising: a mask frame;a mask cushion; anda plastic clip member engaged with the mask cushion and structured to interlock with the mask frame,wherein the mask frame and the clip member include a tab-recess arrangement in which a plurality of securing tabs engage with a corresponding one of a plurality of recesses so as to retain the mask cushion on the mask frame, the tab-recess arrangement provided to at least a bottom and left and right sides of the mask frame and clip member, wherein the clip member is resiliently movable outwards relative to the frame to disengage the clip member from the frame and to allow removal of the mask cushion. 37. The respiratory mask assembly according to claim 36, wherein each of said securing tabs is resiliently movable. 38. A mask assembly comprising: a mask frame;a mask seal having a frame-engaging front side including a shoulder portion and a patient-contacting rear side; anda clip adapted to secure the seal to the frame, wherein the clip includes a body portion engaged with the shoulder portion of the seal such that the shoulder portion of the seal is positioned between the clip and the mask frame,said frame and clip include a tab-recess arrangement in which a plurality of tabs releasably engage with a corresponding one of a plurality of recesses, wherein the clip is resiliently movable outwards relative to the frame to disengage the plurality of tabs and recesses from one another. 39. A respiratory mask assembly for delivering breathable gas to a patient for treatment of sleep disordered breathing, the assembly comprising: a substantially rigid mask frame defining a cavity;a mask cushion comprising a soft material relative to the frame, and adapted to space the frame away from the patient's face; anda clip member detachably and resiliently engaged with the mask frame so as to retain the cushion on the frame, the clip member comprising polycarbonate or similar material,wherein the frame includes a first interlocking feature and the clip member includes a second interlocking feature that releasably and resiliently engages with and disengages from the first interlocking feature,wherein the clip member is resiliently movable outwards relative to the frame to disengage the first and second interlocking features from one another, and wherein the clip member includes a guide located at an apex of the clip member, and the frame includes an extension extending outward from an apex of the frame, the guide aligning with and cooperating with a portion of the extension to guide the clip member into place as the clip member is being secured to the frame, the extension and the guide being separate from the first and second interlocking features. 40. The respiratory mask assembly according to claim 39, wherein the clip member is forcibly movable against its natural resilience relative to the frame to disengage the clip member from the frame. 41. The respiratory mask assembly according to claim 39, wherein the clip member is structured to fit over the cushion and an outer perimeter of the frame. 42. The respiratory mask assembly according to claim 39, wherein the cushion and frame form a seal, with no locking, while the frame and the clip member lock relative to one another with substantially no sealing. 43. The respiratory mask assembly according to claim 39, wherein the first and second interlocking features include a plurality of first and second interlocking features. 44. The respiratory mask assembly according to claim 43, wherein the second interlocking features of the clip member are resiliently structured to fit over the frame to engage with the plurality of first interlocking features. 45. The respiratory mask assembly according to claim 43, wherein the plurality of first interlocking features are located along the frame in discretely spaced locations, the plurality of first interlocking features being located at the left lateral portion of the frame, the right lateral portion of the frame, and the bottom portion of the frame, and wherein the plurality of second interlocking features are adapted to releasably interlock with the plurality of first interlocking features. 46. The respiratory mask assembly according to claim 43, wherein, to disengage the first and second interlocking features in use, the second interlocking features are forced outwardly against their natural resilience to release from the first interlocking features and to ride over an outer edge of the frame. 47. The respiratory nasal mask assembly according to claim 43, wherein one of the first and second interlocking features comprises a resiliently deformable detent. 48. The respiratory mask assembly according to claim 39, wherein the clip member and the cushion are separately coupled to the frame. 49. The respiratory mask assembly according to claim 39, wherein the cushion and the clip member are separate components. 50. The respiratory mask assembly according to claim 39, wherein said mask cushion is a nasal cushion structured and configured to cover the patient's nose. 51. The respiratory mask assembly according to claim 39, wherein the clip member is of complementary shape to the frame. 52. The respiratory mask assembly according to claim 39, wherein the frame is associated with a slotted point of connection on each lateral side thereof to receive patient headgear. 53. The respiratory mask assembly according to claim 39, further comprising an elbow joint provided to the frame and having a swivel tube adapted to connect to a gas delivery conduit.
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이 특허에 인용된 특허 (82)
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