[특허]Systems and methods for managing pressure in a breathing assistance system

Systems and methods for managing pressure in a breathing assistance system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-016/00 A62B-007/00 A61M-016/10
출원번호	US-0458305 (2012-04-27)
등록번호	US-8720442 (2014-05-13)
발명자 / 주소	Perine, Philippe Gentner, Julien Desfossez, Benjamin Nicolazzi, Pascal Gaudard, Yves Nadjafizadeh, Hossein
출원인 / 주소	Covidien LP
대리인 / 주소	Merchant & Gould P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 218

초록 ▼

A breathing assistance system for providing breathing assistance to a patient is provided. The breathing assistance system may include a ventilation system for supplying a gas flow, a conduit operatively coupled to the ventilation system, and a pressure sensor configured to measure the pressure of the gas flow through the conduit. The pressure sensor may include a structure configured to create a localized pressure drop in the gas flow proximate the pressure sensor structure.

대표청구항 ▼

1. A breathing assistance system for providing breathing assistance to a patient, comprising: a ventilation system for supplying a gas flow;a conduit operatively coupled to the ventilation system;a pressure sensor configured to measure a pressure of the gas flow through the conduit, the pressure sensor including a structure configured to create a localized pressure drop in the gas flow proximate the pressure sensor structure, the localized pressure drop substantially equivalent to a pressure drop occurring in the gas flow through the conduit from the pressure sensor to the patient; anda controller operable to control the pressure of the gas flow through the conduit based at least in part on the sensed pressure of the gas flow. 2. A breathing system according to claim 1, wherein the pressure sensor structure extends at least partially into an interior of the conduit. 3. A breathing system according to claim 1, wherein: a gas flows through the conduit in a first direction from an upstream location to a downstream location during positive gas flow toward a patient; and the pressure sensor structure defines an inlet side facing the downstream location, and a gas inlet formed in the inlet side, the gas inlet configured to receive gas for pressure measurement. 4. A breathing system according to claim 1, wherein: a gas flows through the conduit in a first direction from an upstream location to a downstream location during positive gas flow toward a patient; and the pressure sensor structure defines a leading side facing the upstream location, the leading side configured to produce a localized pressure drop in the gas flow as the gas flows around the leading side. 5. A breathing system according to claim 1, wherein: a gas flows through the conduit in a first direction from an upstream location to a downstream location during positive gas flow toward a patient; and the pressure sensor structure defines a gas inlet aligned generally parallel with the first direction of the gas flow. 6. A breathing system according to claim 1, wherein a portion of the pressure sensor structure extending into the conduit includes a substantially triangular or substantially T-shaped cross section. 7. A breathing system according to claim 1, wherein: a gas flows through the conduit in a first direction from an upstream location to a downstream location during positive gas flow toward a patient; and the pressure sensor structure defines: a leading side facing the upstream location and configured to affect the gas flow as the gas flow encounters the pressure sensor structure; and an inlet side facing the downstream location, the inlet side having a substantially flat structure and having a gas inlet formed therein for receiving gas to be measured. 8. A pressure sensor for use in a breathing assistance system for providing breathing assistance to a patient, comprising: a pressure sensor structure extending at least partially into an interior of a conduit operatively coupled to a ventilation system configured to supply a gas flow to a patient;wherein the pressure sensor structure is configured to affect the gas flow in the conduit to create a localized pressure drop proximate to the pressure sensor structure, the localized pressure drop substantially equivalent to a pressure drop occurring as a gas flows along the conduit from the pressure sensor structure to the patient; anda gas inlet formed in the pressure sensor structure, the gas inlet configured to receive the gas for pressure measurement. 9. A pressure sensor according to claim 8, wherein the gas inlet is formed in an inlet side of the pressure sensor structure configured to face a downstream end of the conduit during positive flow toward the patient. 10. A pressure sensor according to claim 8, wherein the pressure sensor structure defines a leading side configured to face an upstream end of the conduit during positive flow toward the patient, the leading side configured to substantially produce the localized pressure drop in the gas flow as gas flows around the leading side. 11. A pressure sensor according to claim 8, wherein the gas inlet is aligned generally parallel with a direction of the gas flow through the conduit from an upstream location to a downstream location. 12. A pressure sensor according to claim 8, wherein a portion of the pressure sensor structure extending into the conduit includes a substantially triangular or substantially T-shaped cross section. 13. A pressure sensor according to claim 8, wherein the pressure sensor structure defines: a leading side facing an upstream end of the conduit and configured to affect the gas flow as the gas flow encounters the pressure sensor structure; and an inlet side facing a downstream end of the conduit, the inlet side having a substantially flat structure having the gas inlet formed therein. 14. A method for controlling pressure delivered to a patient of a breathing assistance system, comprising: determining a target pressure setting;controlling a gas delivery device to generate a gas flow to a patient, the gas flow based at least on the target pressure setting;receiving pressure measurements from a pressure sensor operatively coupled to a conduit coupled to the gas delivery device, the pressure sensor including a structure configured to create a localized pressure drop in the gas flow proximate the pressure sensor structure, the localized pressure drop substantially equivalent to a pressure drop occurring as the gas flows along the conduit from the pressure sensor structure to the patient; andadjusting the gas delivery device based at least on the pressure measurements received from the pressure sensor. 15. A method according to claim 14, further comprising: comparing one or more pressure measurements received from the pressure sensor to the target pressure setting; andadjusting the gas delivery device based at least on the comparison between the one or more pressure measurements received from the pressure sensor and the target pressure setting. 16. A method according to claim 14, wherein: the gas flow generated by the gas delivery device flows through the conduit in a first direction from an upstream location to a downstream location during positive gas flow toward the patient; andthe pressure sensor structure defines a gas inlet formed in an inlet side facing the downstream location, the gas inlet configured to receive a gas for pressure measurement. 17. A method according to claim 16, wherein the gas inlet is aligned generally parallel with the first direction of gas flow through the conduit from the upstream location to the downstream location.

이 특허에 인용된 특허 (218)

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Hilgendorf Edwin J. ; Tran Son Duc ; Pruzina Steven P. ; Storsved Mark, Respiratory function monitor.
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Ricciardelli, Robert H., Respiratory measurement system with continuous air purge.
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Tsukashima,Ross; Schipper,Jeffery D.; Roucher, Jr.,Leo R.; Wolf,Erich H., Respiratory monitoring, diagnostic and therapeutic system.
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Tsukashima,Ross; Schipper,Jeffery D.; Roucher, Jr.,Leo R.; Wolf,Erich H., Respiratory monitoring, diagnostic and therapeutic system.
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Daniels Rich H. ; DelFavero John R. ; Feldman Barry J. ; Gunneson Paul B. ; Jaffe Michael B. ; Wigforss Eric P., Respiratory profile parameter determination method and apparatus.
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Daniels Rich H. ; DelFavero John R. ; Feldman Barry J. ; Gunneson Paul B. ; Jaffe Michael B. ; Wigforss Eric P., Respiratory profile parameter determination method and apparatus.
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Rich H Daniels ; John R. DelFavero ; Barry J. Feldman ; Paul B. Gunneson ; Michael B. Jaffe ; Eric P. Wigforss, Respiratory profile parameter determination method and apparatus.
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Rantala Brje (Helsinki FIX), Respiratory sampling device.
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Cummings Charles C. (Towson MD) Prince Robert I. (Gainesville FL), Respiratory ventilation apparatus.
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Urias, Adrian; Pranger, Loland A.; Wiesmann, William P.; Smith, Earl, Self-contained micromechanical ventilator.
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Gansel Guy ; Takabayashi Susumu, Semi-disposable ventilator breathing circuit tubing with releasable coupling.
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Rich,David R; Pierry,Anthony T; Fudge,Brian M; Sandor,John L; Triunfo, Jr.,John A, Sidestream gas sampling system with detachable sample cell.
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Winter David P., Spring piloted safety valve with jet venturi bias.
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Winter David P., Spring piloted safety valve with jet venturi bias.
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Winter David P., Spring piloted safety valve with jet venturi bias.
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Babkes Mitch ; Ranford Alan B. ; Yaeger Kurt E., Sputum trap manifold with nested caps.
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Jones Michael B. (Excelsior MN), Steering wheel control attachment apparatus.
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Schlawin Craig ; Lura David B., Switch overlay in a piston ventilator.
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Isaza Fernando J., System and method for adjustable disconnection sensitivity for disconnection and occlusion detection in a patient venti.
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Isaza, Fernando J.; Wong, Stanley; Verona, Itzhak; Doyle, Peter, System and method for adjustable disconnection sensitivity for disconnection and occlusion detection in a patient ventilator.
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Isaza,Fernando J.; Wong,Stanley Y.; Doyle,Peter, System and method for adjustable disconnection sensitivity for disconnection and occlusion detection in a patient ventilator.
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Isaza Fernando J. ; Wong Stanley Y., System and method for closed loop airway pressure control during the inspiratory cycle of a breath in a patient ventilat.
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Isaza Fernando J. (San Marcos CA) Wong Stanley Y. (Oceanside CA), System and method for controlling a periodically actuated ventilation flow system.
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Charles L. Wallace ; Warren G. Sanborn ; David Arnett ; Howard L. Ferguson ; Jay Butterbrodt, System and method for controlling the start up of a patient ventilator.
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Wallace Charles L. ; Sanborn Warren G. ; Arnett David ; Ferguson Howard L. ; Butterbrodt Jay, System and method for controlling the start up of a patient ventilator.
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Jafari,Mehdi Matthew, System and method for estimating oxygen concentration in a mixed gas experiencing pressure fluctuations.
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Kimm Gardner J. (Carlsbad CA) Gee Glen N. (Encinitas CA) Fennema Paul J. (Fallbrook CA) Sanborn Warren G. (Escondido CA), System and method for flow triggering of breath supported ventilation.
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Kimm Gardner J. (Carlsbad CA) Gee Glen N. (Encinitas CA) Fennema Paul J. (Fallbrook CA) Sanborn Warren G. (Escondido CA), System and method for flow triggering of pressure supported ventilation.
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Kimm Gardner J. (Carlsbad CA) Gee Glen N. (Encinitas CA) Fennema Paul J. (Fallbrook CA) Sanborn Warren G. (Escondido CA), System and method for flow triggering of pressure supported ventilation by comparison of inhalation and exhalation flow.
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Gilman, John; Halsey, Eric F.; Raymer, Michael E., System and method for graphic creation of a medical logical module in the arden syntax file format.
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Latorraca Gary (San Diego CA), System and method for operating a respirator compressor system under low voltage conditions.
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Wallace Charles L. ; Sanborn Warren G. ; Arnett David ; Butterbrodt Jay ; Ferguson Howard L. ; Teel H. Clay, System and method for setting and displaying ventilator alarms.
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Wallace Charles L. ; Sanborn Warren G. ; Arnett David ; Butterbrodt Jay ; Ferguson Howard L. ; Teel H. Clay, System and method for setting and displaying ventilator alarms.
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Isaza Fernando J., System and method for transient response and accuracy enhancement for sensors with known transfer characteristics.
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Isaza, Fernando J., System and method for transient response and accuracy enhancement for sensors with known transfer characteristics.
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Isaza, Fernando J., System and method for transient response and accuracy enhancement for sensors with known transfer characteristics.
상세보기
Andrieux, Claude, System and process for supplying respiratory gas under pressure or volumetrically.
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Sanchez, Gabriel; Doyle, Peter; Leone, Kenneth; Cleveland, Donna; Palmer, Marc; Hyde, David, System status display.
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Perine, Philippe; Gentner, Julien; Desfossez, Benjamin; Nicolazzi, Pascal; Gaudard, Yves; Nadjafizadeh, Hossein, Systems and methods for managing pressure in a breathing assistance system.
상세보기
Farbarik, John M., Systems and methods for providing active noise control in a breathing assistance system.
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Farbarik, John M., Systems and methods for providing noise leveling in a breathing assistance system.
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Farbarik,John M., Systems and methods for regulating power in a medical device.
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Ross, Christopher G., Tank holder.
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Apperson Jerry R. (Seattle WA) Knodle Daniel W. (Seattle WA) Labuda Lawrence L. (Issaquah WA) Russell James T. (Bellevue WA) Bang Gary M. (Edmonds WA), Temperature controlled detectors for infrared-type gas analyzers.
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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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Graboi, Daniel G.; Hinson, Chester, Tilt sensor for use with proximal flow sensing device.
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McWilliams Roger D. (San Diego CA), Triggering of patient ventilator responsive to a precursor signal.
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Winter, David Phillip; Sanborn, Warren G., Valve body with integral flow meter for an exhalation module.
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Holscher Russell L. (Olathe KS), Valve for use with inhalation/exhalation respiratory phase detection circuit.
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Power John S. (Galway IEX), Ventilator airway fluid collection system.
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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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Wallace Charles L. ; Sanborn Warren G. ; Arnett David ; Butterbrodt Jay ; Ferguson Howard L., Ventilator breath display and graphic user 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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Wallace, Charles L.; Sanborn, Warren G.; Arnett, David; Butterbrodt, Jay; Ferguson, Howard L., Ventilator breath display and graphic user 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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Wallace,Charles L.; Sanborn,Warren G.; Arnett,David; Butterbrodt,Jay; Ferguson,Howard L., Ventilator breath display and graphic user interface.
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Takabayashi Susumu ; Ellestad Raymond A., Ventilator compressor system having improved dehumidification apparatus.
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Forare Lester (San Diego CA) Fennema Paul (Fallbrook CA) Gagne Roger (Carlsbad CA), Ventilator control system for mixing and delivery of gas.
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Isaza Fernando J. (San Marcos CA) Wong Stanley Y. (Oceanside CA), Ventilator control system that generates, measures, compares, and corrects flow rates.
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Skidmore, John P.; Ross, Christopher, Ventilator display screen with a user interface.
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Skidmore, John P.; Brecht, Mark; Fissel, Jim, Ventilator display screen with an alarm icon.
상세보기
Kee Kok-Hiong (St. Louis MO) Schneider James G. (St. Louis MO), Ventilator manifold with accessory access port and adaptors therefore.
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Poon Chi-Sang ; Kolandaivelu Kumaran, Ventilator triggering device.
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Hansen, Gary, Ventilator with dual gas supply.
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Hansen,Gary, Ventilator with dual gas supply.
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Adams,Jonathan D.; Birli,Joseph; Skillicorn,Greg; Claypoole,Gary, Wireless heads-up display for a self-contained breathing apparatus.
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Sanborn, Warren G.; Doyle, Peter R., Work of breathing display for a ventilation system.
상세보기

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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Systems and methods for managing pressure in a breathing assistance system 원문보기

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