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DE69524807D1 - Gasmischer - Google Patents

Gasmischer

Info

Publication number
DE69524807D1
DE69524807D1 DE69524807T DE69524807T DE69524807D1 DE 69524807 D1 DE69524807 D1 DE 69524807D1 DE 69524807 T DE69524807 T DE 69524807T DE 69524807 T DE69524807 T DE 69524807T DE 69524807 D1 DE69524807 D1 DE 69524807D1
Authority
DE
Germany
Prior art keywords
gas mixer
mixer
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69524807T
Other languages
English (en)
Other versions
DE69524807T2 (de
Inventor
Erkki Heinonen
Markku Paloheimo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Instrumentarium Oyj
Original Assignee
Instrumentarium Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instrumentarium Oyj filed Critical Instrumentarium Oyj
Publication of DE69524807D1 publication Critical patent/DE69524807D1/de
Application granted granted Critical
Publication of DE69524807T2 publication Critical patent/DE69524807T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2529—With electrical controller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2531—Flow displacement element actuates electrical controller

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Accessories For Mixers (AREA)
DE69524807T 1994-05-06 1995-05-05 Gasmischer Expired - Fee Related DE69524807T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI942119A FI100007B (fi) 1994-05-06 1994-05-06 Sovitelma kaasusekoittimen yhteydessä

Publications (2)

Publication Number Publication Date
DE69524807D1 true DE69524807D1 (de) 2002-02-07
DE69524807T2 DE69524807T2 (de) 2002-08-08

Family

ID=8540652

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524807T Expired - Fee Related DE69524807T2 (de) 1994-05-06 1995-05-05 Gasmischer

Country Status (4)

Country Link
US (1) US5722449A (de)
EP (1) EP0685238B1 (de)
DE (1) DE69524807T2 (de)
FI (1) FI100007B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6076523A (en) * 1998-01-15 2000-06-20 Nellcor Puritan Bennett Oxygen blending in a piston ventilator
RU2158610C2 (ru) * 1998-12-15 2000-11-10 Научно-техническое объединение "Био-Нова" Способ регулирования и контроля концентрации кислорода и устройство для его осуществления
WO2000045883A1 (en) * 1999-02-04 2000-08-10 Versamed Medical Systems Ltd. Computer-controlled portable ventilator
CA2292128A1 (en) * 1999-12-08 2001-06-08 Chris C. Miller Multi-gas delivery system
US6622462B2 (en) * 2000-01-24 2003-09-23 Showa Tansan Co., Ltd. Device for replacing air within a container headspace
AU2003277435A1 (en) * 2002-10-11 2004-05-04 The Regents Of The University Of California Bymixer apparatus and method for fast-response, adjustable measurement of mixed gas fractions in ventilation circuits
US8820325B2 (en) * 2002-10-11 2014-09-02 The Regents Of The University Of California Bymixer apparatus and method for fast-response, adjustable measurement of mixed gas fractions in ventilation circuits
US6857443B2 (en) * 2003-02-24 2005-02-22 George A. Volgyesi Electronic gas blender and gas flow control mechanism therefor
DE10321448A1 (de) * 2003-05-13 2004-12-02 Ino Therapeutics Gmbh Verfahren und Vorrichtung zur kontrollierten Zumischung eines Gases oder Gasgemisches zu einem Gas(gemisch)strom
US7224285B2 (en) * 2004-01-15 2007-05-29 Honeywell Analytics, Ltd. Gas monitor using electrochemical cell and method of operating
CA2564275C (en) * 2004-04-30 2011-01-04 Honeywell Analytics Ag Gas monitor using electrochemical cell and method of operating
US7654129B2 (en) * 2005-05-17 2010-02-02 Honeywell International Inc. Sensor with an analyte modulator
US7717294B2 (en) 2005-06-20 2010-05-18 South-Tek Systems Beverage dispensing gas consumption detection with alarm and backup operation
US20070044799A1 (en) * 2005-07-08 2007-03-01 Hete Bernie F Modular oxygen regulator system and respiratory treatment system
US8091575B2 (en) * 2007-05-10 2012-01-10 Gammon Technical Products, Inc. Valve system
US20090205661A1 (en) * 2008-02-20 2009-08-20 Nellcor Puritan Bennett Llc Systems and methods for extended volume range ventilation
US8393323B2 (en) 2008-09-30 2013-03-12 Covidien Lp Supplemental gas safety system for a breathing assistance system
US8297382B2 (en) 2008-10-03 2012-10-30 Us Synthetic Corporation Polycrystalline diamond compacts, method of fabricating same, and various applications
US8267081B2 (en) * 2009-02-20 2012-09-18 Baxter International Inc. Inhaled anesthetic agent therapy and delivery system
US8424523B2 (en) 2009-12-03 2013-04-23 Covidien Lp Ventilator respiratory gas accumulator with purge valve
WO2021207600A1 (en) 2020-04-10 2021-10-14 Covidien Lp Gas mixing system for medical ventilator
US11872349B2 (en) 2020-04-10 2024-01-16 Covidien Lp Systems and methods for increasing ventilator oxygen concentration

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237925A (en) * 1977-01-18 1980-12-09 Citizen Watch Co., Ltd. Anesthesia apparatus
JPS55166163A (en) * 1979-06-13 1980-12-25 Citizen Watch Co Ltd Controller for anesthetic gas
US4328823A (en) * 1980-05-14 1982-05-11 N.A.D. Inc. Oxygen flow ratio controller for anesthesia apparatus
SE448347B (sv) * 1981-05-14 1987-02-16 Siemens Elema Ab Sett for blandning av gaser i forutbestemda proportioner
FR2529355A1 (fr) * 1982-06-29 1983-12-30 Air Liquide Melangeur a debitmetre pour delivrer un melange de deux gaz dont la proportion ne peut etre inferieure a une valeur determinee
GB8305117D0 (en) * 1983-02-24 1983-03-30 Penlon Ltd Gas mixing and flow smoothing apparatus
DE3310858A1 (de) * 1983-03-25 1984-09-27 Drägerwerk AG, 2400 Lübeck Gasdosiervorrichtung fuer anaesthesiegeraete
FR2548549B1 (fr) * 1983-07-08 1988-09-23 Asm Sud Europe Melangeur de gaz a usage medical
DE3817985A1 (de) * 1988-05-27 1989-12-07 Salvia Werk Gmbh Geraet zur unterstuetzung der spontanen atmung eines patienten
CH676203A5 (de) * 1988-09-27 1990-12-28 Draegerwerk Ag
FI91019C (fi) * 1990-02-08 1994-04-25 Instrumentarium Oy Kaasuvirtauksen ja sen häiriöiden tunnistusmenetelmä
DE4111139A1 (de) * 1991-04-06 1992-10-08 Draegerwerk Ag Gasverhaeltnisregelvorrichtung fuer narkosegeraete
FI93430C (fi) * 1992-05-07 1995-04-10 Instrumentarium Oy Laitteisto ja menetelmä eri kanavia pitkin virtaavien kaasujen sekoittamiseksi toisiinsa
US5205322A (en) * 1992-06-17 1993-04-27 Puritan-Bennett Corporation Method and apparatus for flow control for sensor calibration

Also Published As

Publication number Publication date
EP0685238A3 (de) 1996-02-28
FI942119A (fi) 1995-11-07
EP0685238B1 (de) 2002-01-02
US5722449A (en) 1998-03-03
FI100007B (fi) 1997-08-15
EP0685238A2 (de) 1995-12-06
DE69524807T2 (de) 2002-08-08
FI942119A0 (fi) 1994-05-06

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee