IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0308471
(2007-06-15)
|
등록번호 |
US-8342181
(2013-01-01)
|
국제출원번호 |
PCT/AU2007/000836
(2007-06-15)
|
§371/§102 date |
20081216
(20081216)
|
국제공개번호 |
WO2007/143792
(2007-12-21)
|
발명자
/ 주소 |
- Selvarajan, Karthikeyan
- Skipper, Christopher Scott
- Gudiksen, Joshua Adam
- Lubke, Steven John
- Oldenburg, Alison
- Lee, Murray William
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
3 |
초록
▼
An elbow assembly for a mask system includes an elbow including a slot and a port, an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas, and a clip member to secure the anti-asphy
An elbow assembly for a mask system includes an elbow including a slot and a port, an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas, and a clip member to secure the anti-asphyxia valve to the elbow. The clip member includes a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve.
대표청구항
▼
1. An elbow assembly for a mask system, comprising: an elbow including a slot and a port;an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas; anda clip member to secure the anti-
1. An elbow assembly for a mask system, comprising: an elbow including a slot and a port;an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas; anda clip member to secure the anti-asphyxia valve to the elbow, the clip member including a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve. 2. The elbow assembly according to claim 1, wherein the elbow includes snap-fit tabs adapted to connect the elbow to a mask frame. 3. The elbow assembly according to claim 1, wherein the elbow includes snap-fit tabs adapted to connect the elbow to a swivel joint. 4. The elbow assembly according to claim 1, wherein the port has a central rib. 5. The elbow assembly according to claim 1, wherein the elbow includes a seat upon which the AAV is adapted to sit, the seat structured to prevent over-deflection of the flap portion in use. 6. The elbow assembly according to claim 1, wherein the slot of the clip member is sized to prevent assembly of the flap portion of the anti-asphyxia valve through the slot of the clip member. 7. The elbow assembly according to claim 1, wherein the clip member has a vertical rib that is located against an outer surface of the elbow when secured to the elbow, the rib adapted to prevent assembly of the flap portion between the rib and the outer surface. 8. The elbow assembly according to claim 1, wherein the clip member has a thickness of about 1.5 mm. 9. The elbow assembly according to claim 1, wherein the flap portion of anti-asphyxia valve includes an arrangement of protrusions and/or grooves on its face. 10. A mask system for supplying breathable gas to a wearer, the mask system comprising: a mask frame; and an elbow assembly according to claim 1 connected to the mask frame. 11. The elbow assembly according to claim 1, wherein the clip member includes wings, the wings being structured such that the wings protrude outwardly from the elbow when the clip member is secured to the elbow. 12. The elbow assembly according to claim 1, wherein the clip member is resiliently deflectable to facilitate attachment to and removal from the elbow. 13. The elbow assembly according to claim 1, wherein the clip member includes a portion that extends a distance along the elbow when the clip member is secured to the elbow. 14. An elbow assembly for a mask system, comprising: an elbow including a slot and a port;an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas; anda clip member to secure the anti-asphyxia valve to the elbow, the clip member including a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve,wherein the slot of the clip member is sized to prevent assembly of the flap portion of the anti-asphyxia valve through the slot of the clip member. 15. The elbow assembly according to claim 14, wherein the clip member includes wings, the wings being structured such that the wings protrude outwardly from the elbow when the clip member is secured to the elbow. 16. The elbow assembly according to claim 15, wherein the clip member has a thickness of about 1.5 mm. 17. The elbow assembly according to claim 14, wherein the clip member includes slightly extended edges. 18. The elbow assembly according to claim 17, wherein the clip member has a thickness of about 1.35 mm. 19. The elbow assembly according to claim 14, wherein the port has a central rib. 20. The elbow assembly according to claim 14, wherein the clip member has a vertical rib that is located against an outer surface of the elbow when secured to the elbow, the rib adapted to prevent assembly of the flap portion between the rib and the outer surface. 21. An elbow assembly for a mask system, comprising: an elbow including a slot and a port;an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas; anda clip member to secure the anti-asphyxia valve to the elbow, the clip member including a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve,wherein the clip member includes one or more portions that have a textured or frosted surface. 22. The elbow assembly according to claim 21, wherein the clip member includes a main body and wings that protrude outwardly from the main body. 23. The elbow assembly according to claim 22, wherein the textured or frosted surface is provided to a lower portion of the main body and the wings. 24. The elbow assembly according to claim 21, wherein the textured or frosted surface is provided to portions of the clip member that face outwardly from the elbow when the clip member is assembled thereto. 25. The elbow assembly according to claim 21, wherein the textured or frosted surface is structured to improve grip and/or hide marks or imperfections on the clip member. 26. The elbow assembly according to claim 21, wherein the textured or frosted surface is provided below a parting line of the clip member.
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