[특허]Ventilation mask with integrated piloted exhalation valve and method of ventilating a patient using the same

Breathe Technologies, Inc.

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특허 상세정보

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Ventilation mask with integrated piloted exhalation valve and method of ventilating a patient using the same

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-016/20 A61M-016/06 A61M-016/08 A61M-016/10 A61M-016/00
출원번호	US-0431821 (2012-03-27)
등록번호	US-9486602 (2016-11-08)
발명자 / 주소	Allum, Todd Cipollone, Joseph
출원인 / 주소	Breathe Technologies, Inc.
대리인 / 주소	Stetina Brunda Garred & Brucker
인용정보	피인용 횟수 : 0 인용 특허 : 228

초록
▼

In accordance with the present invention, there is provided 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 of the present invention 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 pressur...

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청구항
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1. A direct nasal interface mask, comprising: a housing defining at least one flow passage; and an exhalation valve integrated into the housing and fluidly coupled to the flow passage;the exhalation valve being piloted in a manner which facilitates the selective movement thereof from an open position to which it is normally biased and wherein at least a portion of the flow passage is vented to ambient air, to a closed position wherein fluid flow between the flow passage and ambient air is at least partially obstructed thereby;wherein the housing includes a pilot port which is adapted to selectively apply a forced pilot pressure to the exhalation valve in a manner facilitating the movement thereof to the closed position;wherein the exhalation valve comprises a diaphragm which is movable between the closed and open positions; andwherein the housing 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 pilot port, the valve chamber is placed into fluid communication with the flow passage when the diaphragm is in the open position, and the valve chamber is substantially fluidly isolated from the flow passage when the diaphragm is in the closed position. 2. The direct nasal interface 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 direct nasal interface 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 direct nasal interface 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 the open position. 5. The direct nasal interface mask of claim 1 wherein the housing includes a pressure sensing port which is adapted to allow for at least one of achieving and monitoring a therapeutic pressure level within the flow passage. 6. The direct nasal interface mask of claim 1 wherein: the housing includes a valve wall which at least partially defines the valve chamber thereof; andthe exhalation valve comprises a valve cap which is releasably attached to the valve wall and selectively detachable therefrom to facilitate the removal of the diaphragm from within the valve chamber. 7. The direct nasal interface mask of claim 6 wherein the valve wall includes a plurality of flow openings which are formed therein and fluidly communicate with the valve chamber. 8. The direct nasal interface mask of claim 1 wherein: the housing includes a projection which protrudes into the valve chamber, and 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 projection when in the closed position in a manner substantially blocking the fluid conduit. 9. A direct nasal interface mask, comprising: a housing at least partially defining a valve chamber which fluidly communicates with ambient air, a pilot port which fluidly communicates with the valve chamber, and at least one flow passage which is selectively placeable into fluid communication with the valve chamber;an exhalation valve comprising a diaphragm integrated into the housing and disposed within the valve chamber; the diaphragm piloted in a manner which facilitates the selective movement thereof from an open position to which the diaphragm is normally biased and wherein the flow passage is vented to ambient air via the valve chamber, to a closed position wherein fluid flow between the flow passage and the valve chamber is obstructed thereby;the pilot port being adapted to selectively apply a forced pilot pressure to the diaphragm in a manner facilitating the movement thereof to the closed position;wherein the 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 pilot port, the valve chamber is placed into fluid communication with the flow passage when the diaphragm is in the open position, and the valve chamber is substantially fluidly isolated from the flow passage when the diaphragm is in the closed position. 10. The direct nasal interface mask of claim 9 wherein: the housing includes a valve wall which at least partially defines the valve chamber thereof and includes a plurality of flow openings which are formed therein and fluidly communicate with the valve chamber; anda valve cap is releasably attached to the valve wall and selectively detachable therefrom to facilitate the removal of the diaphragm from within the valve chamber. 11. A direct nasal interface mask, comprising: a housing defining an internal fluid chamber, a pilot port, and at least one fluid delivery port which fluidly communicates with the fluid chamber; andan exhalation valve integrated into the housing in a manner wherein the pilot port is fluidly coupled to the exhalation valve, the exhalation valve being fluidly coupled to the fluid chamber;the exhalation valve being piloted in a manner which facilitates the selective movement thereof from an open position to which it is normally biased and wherein at least a portion of the fluid chamber is vented to ambient air, to a closed position wherein fluid flow between the fluid chamber and ambient air is at least partially obstructed thereby;wherein the pilot port which is adapted to selectively apply a forced pilot pressure to the exhalation valve in a manner facilitating the movement thereof to the closed position;wherein the exhalation valve comprises a diaphragm which is movable between the closed and open positions; andwherein the housing 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 pilot port, the valve chamber is placed into fluid communication with the fluid chamber when the diaphragm is in the open position, and the valve chamber is substantially fluidly isolated from the fluid chamber when the diaphragm is in the closed position. 12. The direct nasal interface mask of claim 11 wherein the housing includes a pressure sensing port which is adapted to allow for at least one of pressure sensing and the monitoring of therapeutic pressure within the fluid chamber.

이 특허에 인용된 특허 (228)

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Ventilation mask with integrated piloted exhalation valve and method of ventilating a patient using the same

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Ventilation mask with integrated piloted exhalation valve and method of ventilating a patient using the same

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이 특허에 인용된 특허 (228)

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IPC 상세정보(version : 201201)

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