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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0912129 (1992-07-09) |
우선권정보 | AU-0000228 (1990-05-21) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 437 인용 특허 : 0 |
A nasal mask which is suitable for use in a continuous positive airway pressure system. The mask has a face contacting portion mounted to a shell which is sized and shaped to overfit the nose region of an intended wearer, and the face contacting portion is in the form of a distendable membrane which
A nasal mask which is suitable for use in a continuous positive airway pressure system. The mask has a face contacting portion mounted to a shell which is sized and shaped to overfit the nose region of an intended wearer, and the face contacting portion is in the form of a distendable membrane which is moulded from an elastic plastics material. The distendable membrane and the shell together define a chamber, and pressurised gas admitted to the chamber causes the membrane to distend outwardly from the shell. When placed in contact with the face of the wearer, the distendable membrane is caused to overlay the covered facial regions and, under the influence of the pressurised gas, to conform three-dimensionally with the contours of the overlayed regions. An orifice is formed within the membrane and is shaped and positioned to admit gas from the chamber to the nasal passages of the wearer.
A nasal mask which comprises a face contacting portion in the form of a membrane which is shaped to define an inflatable chamber, the membrane being formed from an elastomeric material and the chamber having a thin, externally convex end region which is arranged in use of the mask to be depressed by
A nasal mask which comprises a face contacting portion in the form of a membrane which is shaped to define an inflatable chamber, the membrane being formed from an elastomeric material and the chamber having a thin, externally convex end region which is arranged in use of the mask to be depressed by and to accommodate the nose of a wearer, a gas supply port communicating with the chamber and connectable to a supply of pressurized gas which, when admitted to the chamber, causes the membrane to balloon outwardly, retaining means for holding the face contacting portion in contact with the face of the wearer, the ballooned end region of the chamber overlies at least a nose region of the wearer\s face, and, under the influence of the pressurized gas, moulds, and seals three dimensionally and completely around the nose of the wearer and conforms with the contours of the overlayed region of the wearer\s face and at least one orifice formed within the membrane, the orifice being shaped and positioned to admit gas from the chamber to the nasal passages of the wearer.
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