[특허]Ventilation mask with integrated piloted exhalation valve

Breathe Technologies, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Ventilation mask with integrated piloted exhalation valve

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-011/00 A61M-016/20 A61M-016/08 A61M-016/06 A61M-016/10
미국특허분류(USC)	128/207.13; 128/205.24; 128/207.18
출원번호	US-0411348 (2012-03-02)
등록번호	US-8844533 (2014-09-30)
발명자 / 주소	Allum, Todd Brambilla, Enrico Cipollone, Joseph
출원인 / 주소	Breathe Technologies, Inc.
대리인 / 주소	Stetina Brunda Garred & Brucker
인용정보	피인용 횟수 : 6 인용 특허 : 226

초록
▼

A mask for achieving positive pressure mechanical ventilation (inclusive of CPAP, ventilator support, critical care ventilation, emergency applications), and a method for a operating a ventilation system including such mask. The mask includes a piloted exhalation valve that is used to achieve the target pressures/flows to the patient. The pilot for the valve may be pneumatic and driven from the gas supply tubing from the ventilator. The pilot may also be a preset pressure derived in the mask, a separate pneumatic line from the ventilator, or an electro-m...

대표
청구항
▼

1. A nasal pillows mask, comprising: a cushion defining at least one flow passage and a valve pilot lumen; andan exhalation valve cooperatively engaged to the cushion and fluidly coupled to the flow passage;the exhalation valve being piloted and selectively movable between a closed position wherein fluid flow between the flow passage and ambient air is at least partially obstructed thereby, and an open position wherein at least a portion of the flow passage is vented to ambient air, the valve pilot lumen being adapted to selectively apply a pilot fluid pressure to the exhalation valve in a manner facilitating the movement thereof to the closed position. 2. The nasal pillows mask of claim 1 wherein the exhalation valve is configured to completely obstruct fluid flow between the flow passage and ambient air when in the closed position. 3. The nasal pillows mask of claim 1 wherein the exhalation valve is configured to vent the entirety of the flow passage to ambient air when in the open position. 4. The nasal pillows mask of claim 1 wherein the exhalation valve is configured to adjust fluid flow between the flow passage and ambient air when disposed between the closed position and open position. 5. The nasal pillows mask of claim 1 wherein the exhalation valve is configured to be normally biased to the open position. 6. The nasal pillows mask of claim 5 wherein the exhalation valve comprises a diaphragm which is fabricated from a resilient material and movable between the closed and open positions. 7. The nasal pillows mask of claim 6 wherein: the exhalation valve defines a valve chamber; andthe diaphragm resides within the valve chamber and is sized and configured relative thereto such that the valve chamber is maintained in constant fluid communication with ambient air and the valve pilot lumen, is placed into fluid communication with the flow passage when the diaphragm is in the open position, and is substantially fluidly isolated from the flow passage when the diaphragm is in the closed position. 8. The nasal pillows mask of claim 7 wherein: the exhalation valve comprises a seat member and a cap member which are attached to each other and collectively define the valve chamber thereof;the seat member defines a fluid conduit between the valve chamber and the flow passage; andthe diaphragm is configured to establish and maintain a sealed engagement with the seat member when in the closed position in a manner substantially blocking the fluid conduit. 9. The nasal pillows mask of claim 8 wherein the seat member further includes a plurality of exhaust vents which are formed therein and fluidly communicate with the valve chamber. 10. The nasal pillows mask of claim 1 further comprising a heat and moisture exchanger disposed within the flow passage. 11. A nasal pillows mask, comprising: a cushion defining an internal fluid chamber, a valve pilot lumen, a pair of pillow portions which each fluidly communicate with the fluid chamber, and at least one gas delivery lumen which fluidly communicates with the fluid chamber; andan exhalation valve cooperatively engaged to the cushion in a manner wherein the valve pilot lumen is fluidly coupled thereto, the exhalation valve being fluidly coupled to the fluid chamber;the exhalation valve being piloted, and selectively movable between a closed position wherein fluid flow between the fluid chamber and ambient air is at least partially obstructed thereby, and an open position wherein at least a portion of the fluid chamber is vented to ambient air. 12. The nasal pillows mask of claim 11 wherein the cushion further defines a pressure sensing lumen which fluidly communicates with the fluid chamber. 13. The nasal pillows mask of claim 12 further comprising a heat and moisture exchanger disposed within the fluid chamber of the cushion proximate the pillow portions thereof. 14. The nasal pillows mask of claim 11 wherein the exhalation valve comprises a diaphragm which is movable between the closed and open positions, and is normally biased to the open position. 15. The nasal pillows mask of claim 14 wherein: the exhalation valve defines a valve chamber; andthe diaphragm resides within the valve chamber and is sized and configured relative thereto such that the valve chamber is maintained in constant fluid communication with ambient air and the valve pilot lumen, is placed into fluid communication with the fluid chamber when the diaphragm is in the open position, and is substantially fluidly isolated from the flow passage when the diaphragm is in the closed position. 16. The nasal pillows mask of claim 15 wherein: the exhalation valve comprises a seat member and a cap member which are attached to each other and collectively define the valve chamber thereof;the seat member defines a fluid conduit between the valve chamber and the fluid chamber; andthe diaphragm is configured to establish and maintain a sealed engagement with the seat member when in the closed position in a manner substantially blocking the fluid conduit. 17. The nasal pillows mask of claim 16 wherein the seat member further includes a plurality of exhaust vents which are formed therein and fluidly communicate with the valve chamber. 18. A nasal pillows mask, comprising: a cushion defining an internal fluid chamber, a valve pilot lumen, and at least one gas delivery lumen which fluidly communicates with the fluid chamber;a heat and moisture exchanger disposed within the fluid chamber of the cushion and configured to provide an increased measure of elasticity thereto; andan exhalation valve cooperatively engaged to the cushion in a manner wherein the valve pilot lumen is fluidly coupled thereto, the exhalation valve being fluidly coupled to the fluid chamber;the exhalation valve being piloted, and selectively movable between a closed position wherein fluid flow between the fluid chamber and ambient air is at least partially obstructed thereby, and an open position wherein at least a portion of the fluid chamber is vented to ambient air. 19. The nasal pillows mask of claim 18 wherein the exhalation valve comprises a diaphragm which is movable between the closed and open positions, and is normally biased to the open position.

이 특허에 인용된 특허 (226)

이 특허를 인용한 특허 피인용횟수: 6

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특허 상세정보

Ventilation mask with integrated piloted exhalation valve

초록
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대표
청구항
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이 특허에 인용된 특허 (226)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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특허 상세정보

Ventilation mask with integrated piloted exhalation valve

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (226)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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