[특허]Ergonomic and adjustable respiratory mask assembly with headgear assembly

ResMed Limited

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특허 상세정보

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Ergonomic and adjustable respiratory mask assembly with headgear assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-011/00 A61M-016/00 A61M-016/06 A61M-016/08 A62B-018/08
출원번호	US-0934478 (2013-07-03)
등록번호	US-9457162 (2016-10-04)
우선권정보	AU-PS 1926 (2002-04-23)
발명자 / 주소	Ging, Anthony Michael Nasr, Saad
출원인 / 주소	ResMed Limited
대리인 / 주소	Nixon & Vanderhye P.C.
인용정보	피인용 횟수 : 7 인용 특허 : 181

초록
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A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a main body and a side frame member provided on each lateral side of the main body. Each side frame member includes an integrally formed first connector portion. A headgear assembly is removably attachable to the frame. The headgear assembly has a second connector portion adapted to be removably coupled with the first connector portion provided on the frame. The second connector portion is manually movable to a releasing position to detach the headgear assembly...

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1. A respiratory mask assembly for delivering gas to a person, comprising: a rigid shell having an aperture;a plurality of resilient silicone cushions, each cushion sized and configured to be permanently attached to the rigid shell so as to form a co-molded unit defining a breathing chamber, each resilient silicone cushion being adapted to seal against a face of the person, each cushion having a main body connecting side that is similar to other cushions of the plurality of resilient silicone cushions and a face contacting side that differs from the other cushions in regard to at least one parameter; anda swivel elbow snap-fitted to the rigid shell in a releasable manner, thereby positioning the elbow in fluid communication with the breathing chamber, the elbow including a first end and a second end, the first end being received within the aperture of the rigid shell. 2. A respiratory mask assembly according to claim 1, wherein the elbow includes at least one portion that flexes in a generally radial direction relative to an axis of the aperture to allow releasable engagement between the elbow and the shell, during insertion of the first end of the elbow into the aperture. 3. A respiratory mask assembly according to claim 2, wherein the face contacting side of each cushion is adapted to seal around the nose and mouth of the person. 4. A respiratory mask assembly according to claim 3, wherein the face contacting side comprises a face contacting membrane, in at least one cross-sectional view, spaced above a supporting rim. 5. A respiratory mask assembly according to claim 4, wherein snap-action engagement between the elbow and the shell results in an audible noise. 6. A respiratory mask assembly according to claim 5, wherein an outer surface of the elbow engages an inner circumferential surface of the aperture of the shell. 7. A respiratory mask assembly according to claim 6, wherein the outer surface of the elbow and the inner circumferential surface of the aperture are in engagement over a distance of between about 1 mm to 10 mm. 8. A respiratory mask assembly according to claim 7, further comprising headgear adapted to stabilize the cushion against the face of the person, the headgear comprising a plurality of strap ends and a plurality of connectors provided to the strap ends adapted to connect the headgear to the respiratory mask assembly. 9. A respiratory mask assembly according to claim 8, wherein each cushion within the plurality of silicone cushions differs from the other cushions within the plurality of cushions in a nasal bridge region. 10. A respiratory mask assembly according to claim 9, further comprising a clip portion on each lateral side of the assembly configured to engage a respective one of the plurality of connectors. 11. A respiratory mask assembly according to claim 9, wherein the elbow includes a plurality of vent openings to vent exhalation gases from the breathing chamber. 12. A respiratory mask assembly according to claim 11, wherein a diameter of the aperture is configured to be larger than a diameter of a gas delivery tube connectable to the swivel elbow. 13. A respiratory mask assembly according to claim 12, wherein the aperture has an area of at least 180 mm2. 14. A respiratory mask assembly for delivering gas to a person, comprising: a rigid shell having an aperture;a plurality of resilient silicone cushions, each cushion configured to be permanently attached to the rigid shell to form a co-molded unit including a breathing chamber, each resilient silicone cushion being adapted to seal against a face of the person; anda swivel elbow snap-fitted to the rigid shell in a releasable manner, thereby positioning the elbow in fluid communication with the breathing chamber, the elbow including a first end and a second end, opposite the first end, wherein:the elbow includes at least one portion that flexes to allow engagement between the elbow and the shell, during insertion of the first end of the elbow into the aperture, andsnap-fitting engagement between the elbow and the shell results in an audible noise thereby providing a signal to the person that the elbow has been securely attached to the shell. 15. A respiratory mask assembly according to claim 14, wherein the first end is rotatable relative to the aperture of the rigid shell, the second end including a swivel connector adapted to connect with a gas delivery tube. 16. A respiratory mask assembly according to claim 15, each said cushion having: (a) a frame connection side that is sized to connect to the shell; and(b) a face contacting side, opposite the frame connection side, that differs in at least one dimension, from each of the remaining cushions within the plurality of cushions. 17. A respiratory mask assembly according to claim 16, further comprising headgear adapted to stabilize the cushion against the face of the person, the headgear comprising a plurality of strap ends and a plurality of connectors provided to the strap ends. 18. A respiratory mask assembly according to claim 17, wherein an outer circumferential surface of the elbow engages an inner circumferential surface of the aperture of the shell. 19. A respiratory mask assembly according to claim 18, wherein the face contacting side comprises a face contacting membrane, in at least one cross-sectional view, spaced above a supporting rim. 20. A respiratory mask assembly according to claim 19, wherein the elbow includes a plurality of vent openings to vent exhalation gases from an interior of the respiratory mask assembly. 21. A respiratory mask assembly according to claim 20, wherein the spacing between the face contacting membrane and the supporting rim is greater in a nasal bridge region of each cushion than in respective cheek regions of each cushion. 22. A respiratory mask assembly according to claim 21, wherein the aperture has an area of at least 180 mm2. 23. A mask system for delivering CPAP therapy to a patient at a pressure of 4 to 20 cm H2O to a patient, comprising: a plurality of cushions, each cushion having a connecting side that is similar to other cushions of the plurality of cushions and a face contacting side that differs from the other cushions in regard to at least one parameter; anda frame assembly configured to separately engage the connecting side of each cushion to form a permanent attachment thereto, the frame assembly including: i. a front surface;ii. a rear surface adapted to face the patient;iii. a circular flange defining an aperture through the front surface for the introduction of breathable gas into a breathing cavity at least partly defined by a respective one of the plurality of cushions extending from the rear surface; andiv. an elbow assembly swivelably coupled to the front surface, the elbow assembly including a swivel elbow, wherein the swivel elbow includes a mating portion that is releasably engagable with the flange and rotatable relative to the flange by inserting an end portion of the elbow through the aperture and pressing the front surface and the elbow towards one another. 24. A mask system according to claim 23, wherein the face contacting side of each cushion is adapted to seal around the nose and mouth of the patient. 25. A mask system according to claim 24, wherein the face contacting side comprises a face contacting membrane, in at least one cross-sectional view, spaced above a supporting rim. 26. A mask system according to claim 25, wherein the end portion of the swivel elbow extends at least partially into the breathing cavity. 27. A mask system according to claim 26, wherein the mating portion of the swivel elbow comprises at least one protrusion configured to engage the flange upon insertion of the end portion of the elbow into the aperture to releasably engage the elbow to the front surface, and the mating portion comprises a collar. 28. A mask system according to claim 27, wherein the engagement of the swivel elbow and the flange is a snap-action connection. 29. A mask system according to claim 28, wherein the mating portion includes at least one protrusion having an incline such that upon engagement with the flange a resilient portion of the mating portion of the elbow flexes until the mating portion reaches an operative position in which the resilient portion returns to an unflexed state. 30. A mask system according to claim 29, wherein each cushion within the plurality of silicone cushions differs from any of the remaining cushions within the plurality of cushions in a nasal bridge region. 31. A mask system for use in the delivery of non-invasive positive pressure ventilation and for nasal continuous positive airway pressure therapy of sleep disordered breathing conditions including obstructive sleep apnea, the mask system comprising: a frame;headgear connectable to the frame;a swivel elbow connectable to the frame; anda plurality of cushions, each cushion including a membrane having an inner edge which defines an aperture,wherein: each cushion is connectable with the frame via a respective similar frame contacting side,each cushion has a respective different face contacting side,each cushion is configured to accommodate a different patient population, andeach respective aperture of the plurality of cushions has a different base width. 32. The mask system of claim 31, wherein the plurality of cushions includes three cushions. 33. The mask system of claim 31, wherein the plurality of cushions are configured to accommodate up to 95-100% of the patient population. 34. The mask system of claim 31, wherein the plurality of cushions is color coded to help distinguish the cushions from one another. 35. The mask system of claim 31, wherein each cushion within the plurality of silicone cushions differs from any of the remaining cushions within the plurality of cushions in a nasal bridge region. 36. The mask system of claim 35, further comprising a supporting rim, wherein the membrane, in at least one cross-sectional view, is spaced above the supporting rim. 37. The mask system of claim 36, wherein the elbow includes a plurality of vent openings to vent exhalation gases from a breathing chamber of the mask system. 38. The mask system of claim 31, wherein the elbow and the frame are releasably connected via a snap-action connection.

이 특허에 인용된 특허 (181)

이 특허를 인용한 특허 피인용횟수: 7

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Ergonomic and adjustable respiratory mask assembly with headgear assembly

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이 특허에 인용된 특허 (181)

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Ergonomic and adjustable respiratory mask assembly with headgear assembly

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이 특허에 인용된 특허 (181)

이 특허를 인용한 특허 피인용횟수: 7

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