[특허]Humidifier

Humidifier 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-016/16 A61M-016/18
출원번호	US-0800099 (1991-11-29)
우선권정보	JP-0329421 (1990-11-30)
발명자 / 주소	Suzuki Shiro (Bunkyo JPX)
출원인 / 주소	Origin Medical Instrument Co., Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 51 인용 특허 : 0

초록 ▼

A humidifier heats a gas to be supplied to a patient, for example, for anaesthesia in surgical operation or artificial respiration to cure difficulty of breathing, at an appropriate temperature and humidifies the same at an appropriate humidity. The humidifier calculates the absolute humidity on the basis of a set temperature and a set relative humidity by first calculating means, calculates the temperature of the gas corresponding to a saturation humidity equivalent to the calculated absolute humidity by second calculating means, controls a first heater for heating a humidifying chamber so that the temperature of the humidified gas at the outlet of the humidifying chamber coincide with the calculated temperature, and controls a second heater for heating the interior of a patient circuit connected to the outlet of the humidifier so that the temperature of the humidified gas at the outlet of the patient circuit conicides with the set temperature to prevent condensation within the patient circuit and the flow of water condensed in the patient circuit into the trachea of the patient who receives the humidified gas through the patient circuit. The humidifier is provided with display means for displaying the calculated absolute humidity to enable selection of an appropriate set temperature and an appropriate set relative humidity with reference to the absolute humidity displayed by the display means in order that the medical gas of an appropriate humidity is supplied to the patient.

대표청구항 ▼

A humidifier for humidifying a medical gas to be supplied to a patient comprising: a humidifying chamber having an outlet through which a humidified medical gas exits said chamber; a first heater for heating the humidifying chamber; a first temperature sensor for detecting the temperature of the medical gas at the outlet of the humidifying chamber, a patient circuit having an interior and an outlet through which the medical gas humidified in the humidifying chamber flows; a second heater for heating the interior of the patient circuit; and a second temperature sensor for detecting the temperature of the humidified medical gas at the outlet of the patient circuit; the improvement comprising: first calculating means for calculating the absolute humidity (mg/e) of the humidified medical gas on the basis of a set temperature and a set relative humidity (%); second calculating means for calculating the temperature of air corresponding to a saturation humidity equivalent to the calculated absolute humidity (mg/t); and control means for controlling said first heater for heating the humidifying chamber so that the temperature of the humidified medical gas at the outlet of the humidifying chamber coincides with the temperature calculated by the second calculating means.

이 특허를 인용한 특허 (51)

Makinson, Ian Douglas; Young, Alex; Bond, David Alan, Apparatus for delivery of humidified gases therapy, associated methods and analysis tools.
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Makinson,Ian Douglas; Young,Alex; Bond,David Alan, Apparatus for delivery of humidified gases therapy, associated methods and analysis tools.
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Barton John Kenyon GB; Dion Charles Chewe Martin AU, Apparatus for supplying breathable gas.
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Meier, Jörg, Apparatus for supplying respiratory gas and a method for controlling the apparatus.
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Meier, Jörg, Apparatus for supplying respiratory gas and a method for controlling the apparatus.
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Meier, Jörg, Apparatus for supplying respiratory gas and a method for controlling the apparatus.
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Paluch Bernard, Breathing circuits with humidity controls.
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Palmer, Marc E.; Skidmore, John P.; Porter, Olen D., Display and access to settings on a ventilator graphical user interface.
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Skidmore, John, Display of respiratory data graphs on a ventilator graphical user interface.
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Skidmore, John, Display of respiratory data graphs on a ventilator graphical user interface.
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Nitta Kazufuku,JPX, Humidification control unit and method of manufacturing same.
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Smith, Ian Malcolm; Bath, Andrew Roderick; Row, Nathan John; Virr, Alexander, Humidification of respiratory gases.
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Kazufuku Nitta JP, Humidification unit, method of making same, and ventilatory system using such a humidification unit.
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Hebblewhite Malcolm,AUX ; Kwok Philip Rodney,AUX ; Styles Robert Edward,AUX ; Brydon John William Ernest,AUX, Humidifier.
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Matchett Robert Stephen,AUX ; Wells Robbie David,AUX ; Harrison Jonathan Paul,AUX ; Turner Jeremy Peter,AUX ; Hill Peter Wilson,AUX ; Liston Jonathan Lee,AUX, Humidifier.
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Klasek, Paul Jan; Virr, Alexander; Row, Nathan John; Huby, Ronald James; Cheng, Jack Wei, Humidifier for respiratory apparatus.
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Hunt, Peter John; Thudor, Mohammad; Wixey, David Fraser; McPhee, Stephen William, Humidity controller.
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Hunt, Peter John; Thudor, Mohammad; Wixey, David; McPhee, Stephen William, Humidity controller.
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C. Bruce Hewson CA; Benjamin I. Wiens CA; James B. Wong CA, Method and apparatus for delivering humidified air to a face mask.
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Farrell, Peter Craig; Pace, Gary William, Nasal ventilation as a treatment for stroke.
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Peter Craig Farrell ; Gary William Pace, Nasal ventilation as a treatment for stroke.
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Alfery, David D., Perilaryngeal oral airway.
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Alfery,David D.; Quinn,Brad, Perilaryngeal oral airway with flexible tip guide.
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Alfery,David D.; Quinn,Brad, Perilaryngeal oral airway with multi-lumen esophogeal-obturator.
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Alfery,David D., Perilaryngeal oral airway with temperature sensor.
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Vandine, Joseph D.; Doyle, Peter R.; Sanborn, Warren G., Quick initiation of respiratory support via a ventilator user interface.
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George-Gradon, Lewis; McPhee, Stephen William; Seakins, Paul John; Leonard, Peter John, Respiratory humidification system.
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Gradon, Lewis George; McPhee, Stephen William; Seakins, Paul John; Leonard, Peter John, Respiratory humidification system.
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Gradon,Lewis George; McPhee,Stephen William; Seakins,Paul John; Leonard,Peter John, Respiratory humidification system.
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Gradon,Lewis George; McPhee,Stephen William; Seakins,Paul John; Leonard,Peter John, Respiratory humidification system.
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Gradon,Lewis George; McPhee,Stephen William; Seakins,Paul John; Leonard,Peter John, Respiratory humidification system.
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Lewis George Gradon NZ; Stephen William McPhee NZ; Paul John Seakins NZ; Peter John Leonard NZ, Respiratory humidification system.
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McPhee, Stephen William, Respiratory humidification system.
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McPhee, Stephen William, Respiratory humidification system.
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Smith,Malcolm David; Leonard,Peter John, Respiratory humidification system.
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Pujol, J. Raymond; Perroz, Jr., William; Rybicki, Robert G., System and method for determining humidity in a respiratory treatment system.
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Babikian,Dikran S.; Wade,Bryan H., Systems and methods for controlling local environment.
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Koch, Jochim, Temperature-measuring device for a respiration humidifier.
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Figueiredo, David Luis; Davis, Michael K.; Seetharaman, Mahesh K.; Upham, Gail Frances, Three-dimensional waveform display for a breathing assistance system.
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Nitta, Kazufuku, Unit for adjusting humidification.
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Nitta, Kazufuku, Unit for adjusting humidification.
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Hely Kenneth Frederick,AUX ; Lithgow Perry David,AUX, Valve for use in a gas delivery system.
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Glenn, Gregory J.; Grant, Matthew Tyson, Ventilation triggering using change-point detection.
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Wallace, Charles L.; Sanborn, Warren G.; Arnett, David; Butterbrodt, Jay; Ferguson, Howard L., Ventilator breath display and graphic interface.
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Wallace, Charles L.; Sanborn, Warren G.; Arnett, David; Butterbrodt, Jay; Ferguson, Howard L., Ventilator breath display and graphic user interface.
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Skidmore, John; Brecht, Mark; Fissel, Jim, Visual indication of alarms on a ventilator graphical user interface.
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Skidmore, John P.; Porter, Olen D.; Palmer, Marc E., Visual indication of settings changes on a ventilator graphical user interface.
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Vos, Adrian Ashley; Huby, Ronald James; Tang, Zhuo Ran, Wire heated tube with temperature control system for humidifier for respiratory apparatus.
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Bath, Andrew Roderick; Richmond, Donald Angus; Row, Nathan John; Zhu, Jianhua; Shadie, Timothy Nicholas; Huby, Ronald James; Dujmovic, Ivan, Wire heated tube with temperature control system, tube type detection, and active over temperature protection for humidifier for respiratory apparatus.
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Bath, Andrew Roderick; Richmond, Donald Angus; Row, Nathan John; Zhu, Jianhua; Shadie, Timothy Nicholas; Huby, Ronald James; Dujmovic, Ivan Teodor, Wire heated tube with temperature control system, tube type detection, and active over temperature protection for humidifier for respiratory apparatus.
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Sanborn, Warren G.; Doyle, Peter R., Work of breathing display for a ventilation system.
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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Humidifier 원문보기

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Humidifier 원문보기

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이 특허를 인용한 특허 (51)

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