[특허]Pressure controlled breathing apparatus

[미국특허] Pressure controlled breathing apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-016/00
출원번호	US-0925173 (1978-07-17)
발명자 / 주소	Isaacson Max (125 Sunrise Pl. Dayton OH 45407)
인용정보	피인용 횟수 : 51 인용 특허 : 1

초록 ▼

A medical patient or other individual exhales air through a pressure control exhalation valve at a pressure which remains substantially constant during exhalation and corresponds to the residual pressure desired within the lungs. The pressure control exhalation valve incorporates a disc-like valve member which is biased towards a closed position by a spring having a low spring modulus, and the spring engages a back-up plunger which is adjustable according to the desired residual lung pressure. The pressure control valve may be connected in series with a flow control or retard valve which is adjustable to produce a biofeedback pressure within the valve for teaching the individual to breathe slower and with less effort. During inhalation, pressurized air may be supplied to the pressure control exhalation valve through a demand inhalation valve which is adjustable to a supply pressure corresponding to the preselected exhalation pressure in order to provide for continuous positive pressure breathing.

대표청구항 ▼

In apparatus for controlling an individual\s exhalation and including a body defining a chamber having an inlet and an outlet, means for directing the individual\s exhalation into said inlet, an exhalation pressure responsive control valve within said chamber for controlling the flow of exhalation gas through said inlet and outlet to atmosphere, said valve including an annular valve seat and a generally flat valve member, means supporting said valve member for axial movement between a closed position engaging said valve seat and an open position spaced from said valve seat, a compression coil spring biasing said valve member towards said closed position, and means for adjusting the axial force exerted by said spring against said valve member, the improvement for adapting said apparatus to be used in pulmonary therapy, wherein said coil spring has a spring rate less than 0.2 pound per inch, said adjusting means for said spring include a series of uniformally spaced indicators corresponding to a series of progressively increasing uniform pressure increments and providing for selecting a predetermined exhalation pressure corresponding to the opening pressure at which said valve member moves from said valve seat to an open position, wherein said adjusting means having said pressure increments, the spring, the valve member and the valve seat are designed such that during an exhalation phase, for each said pressure increment selected, the valve member will move from the valve seat to said open position a distance causing sufficient annular area between the valve member and valve seat that the differential force against the valve member caused by exhalation flow required to move the valve member said distance is smaller than the differential force that would be exerted on the valve member by said spring if said adjusting means would be adjusted from said selected pressure increment to the next higher pressure increment, whereby said spring and valve member cooperate to limit the maximum exhalation pressure within said chamber below the next successively higher pressure increment to said selected pressure increment of said adjusting means and for maintaining the pressure differential between the maximum pressure and the opening pressure below the pressure differential of said pressure increments during the individual\s exhalation and substantially independent of the individual\s exhalation flow rate.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Hay Wayne W. (Madison WI), Anesthesia breathing circuit with positive end expiratory pressure valve.
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이 특허를 인용한 특허 (51) 인용/피인용 타임라인 분석

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Berthon-Jones, Michael, Assisted ventilation to match patient respiratory need.
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Root, David H., Breath intake valve.
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Root, David H., Breath intake valve for a tracheostomy tube.
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Zdrojkowski Ronald J. (Pittsburgh PA), Breathing gas delivery method and apparatus.
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Zdrojkowski Ronald J. ; Estes Mark, Breathing gas delivery method and apparatus.
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Zdrojkowski Ronald J. ; Estes Mark, Breathing gas delivery method and apparatus.
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Zdrojkowski, Ronald J.; Sanders, Mark H.; Estes, Mark, Breathing gas delivery method and apparatus.
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Zdrojkowski, Ronald J.; Sanders, Mark H.; Estes, Mark, Breathing gas delivery method and apparatus.
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Zdrojkowski,Ronald J.; Sanders,Mark; Estes,Mark, Breathing gas delivery method and apparatus.
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Cappa Giulio (Milan ITX) Moscatelli Romano (Rome ITX), Commutator feeding device for a demand valve intended for introducing breathable air into a compressed air breathing app.
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Winter, David Phillip; Sanborn, Warren G., Exhalation valve assembly with integral flow sensor.
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Winter, David Phillip; Sanborn, Warren G., Exhalation valve assembly with integral flow sensor.
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Winter, David Phillip; Sanborn, Warren G., Exhalation valve assembly with integral flow sensor.
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Winter, David Phillip; Sanborn, Warren G., Exhalation valve assembly with integrated filter and flow sensor.
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Winter, David Phillip; Sanborn, Warren G., Exhalation valve assembly with selectable contagious/non-contagious latch.
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Han, Steve; Stenzler, Alex, Gas flow regulating device.
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Han, Steve; Stenzler, Alex, Gas flow regulating device.
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Larson Douglas A. (River Forest IL) Clanton Thomas L. (Worthington OH), Inspirator muscle trainer.
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Townsend, Paul Nicholas, Lung demand valve.
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Winter, David Phillip, Maintaining an exhalation valve sensor assembly.
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Berthon Jones,Michael, Method and apparatus for determining instantaneous inspired volume of a subject during ventilatory assistance.
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Davenport, Paul W.; Martin, Anatole D., Method for treating chronic obstructive pulmonary disorder.
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Berthon-Jones, Michael, Methods and apparatus for determining instantaneous elastic recoil and assistance pressure during ventilatory support.
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Salter, Peter W.; Chua, James; Van Horn, Walter; Kazal, Duane D.; McGann, Laurence, Nebulizer mouthpiece and accessories.
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Pelerossi, Richard K.; King, Gregory S.; Foran, Jennifer M.; Weinstein, Lawrence A.; Richards, Fredrick M.; Zirps, Christopher T.; Elden, Robert H., Positive expiratory pressure device with bypass.
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Hessling, Terry John; Menko, Scott Andrew; Brown, Michael Paul, Pressure controlled and pressure control valve for an inflatable object.
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McGinnis Gerald E. (131 Kelvington Dr. Monroeville PA 15146), Pressure relief valve.
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Truitt,Patrick W; Lordo,Richard J; Gesner,Joseph J, Pressure support system and method and a pressure control valve for use in such a system and method.
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Darkin, Donald; McAuliffe, Patrick J., Vent system for CPAP patient interface used in treatment of sleep disordered breathing.
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Darkin, Donald; McAuliffe, Patrick John, Vent system for CPAP patient interface used in treatment of sleep disordered breathing.
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Darkin, Donald; Mcauliffe, Patrick John, Vent system for CPAP patient interface used in treatment of sleep disordered breathing.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Pressure controlled breathing apparatus 원문보기

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이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (51) 인용/피인용 타임라인 분석

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[미국특허] Pressure controlled breathing apparatus 원문보기

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이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (51) 인용/피인용 타임라인 분석

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