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GB2407043B - An adjustable venturi device - Google Patents

An adjustable venturi device

Info

Publication number
GB2407043B
GB2407043B GB0404248A GB0404248A GB2407043B GB 2407043 B GB2407043 B GB 2407043B GB 0404248 A GB0404248 A GB 0404248A GB 0404248 A GB0404248 A GB 0404248A GB 2407043 B GB2407043 B GB 2407043B
Authority
GB
United Kingdom
Prior art keywords
venturi device
adjustable venturi
adjustable
venturi
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 - Lifetime
Application number
GB0404248A
Other versions
GB0404248D0 (en
GB2407043A (en
Inventor
Christopher Edgerley Booth
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.)
Intersurgical Ltd
Original Assignee
Intersurgical Ltd
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 Intersurgical Ltd filed Critical Intersurgical Ltd
Publication of GB0404248D0 publication Critical patent/GB0404248D0/en
Publication of GB2407043A publication Critical patent/GB2407043A/en
Application granted granted Critical
Publication of GB2407043B publication Critical patent/GB2407043B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • A61M16/125—Diluting primary gas with ambient air
    • A61M16/127—Diluting primary gas with ambient air by Venturi effect, i.e. entrainment mixers
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
    • B01F25/31252—Nozzles
    • B01F25/312521—Adjustable Venturi nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0208—Oxygen

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Accessories For Mixers (AREA)
GB0404248A 2003-03-06 2004-02-26 An adjustable venturi device Expired - Lifetime GB2407043B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0305117.4A GB0305117D0 (en) 2003-03-06 2003-03-06 An adjustable venturi device

Publications (3)

Publication Number Publication Date
GB0404248D0 GB0404248D0 (en) 2004-03-31
GB2407043A GB2407043A (en) 2005-04-20
GB2407043B true GB2407043B (en) 2006-04-12

Family

ID=9954226

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0305117.4A Ceased GB0305117D0 (en) 2003-03-06 2003-03-06 An adjustable venturi device
GB0404248A Expired - Lifetime GB2407043B (en) 2003-03-06 2004-02-26 An adjustable venturi device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0305117.4A Ceased GB0305117D0 (en) 2003-03-06 2003-03-06 An adjustable venturi device

Country Status (3)

Country Link
ES (1) ES2277475B2 (en)
GB (2) GB0305117D0 (en)
PT (1) PT103088B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9498592B2 (en) 2012-01-23 2016-11-22 Aeon Research And Technology, Inc. Modular pulmonary treatment system
WO2019070712A1 (en) * 2017-10-03 2019-04-11 Enrico Brambilla Patient interface with integrated jet pump

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8997738B2 (en) * 2011-03-22 2015-04-07 Carefusion 207, Inc. Delivering diluted oxygen to a patient
WO2013064183A1 (en) * 2011-11-03 2013-05-10 Ac Aircontrols Gmbh Apparatus for ventilating a patient
USD782654S1 (en) 2013-01-31 2017-03-28 Intersurgical Ag Respiratory equipment
USD739523S1 (en) 2013-07-31 2015-09-22 Intersurgical Ag Respiratory equipment
WO2015128716A1 (en) 2014-02-26 2015-09-03 Deas S.R.L. Device for the administration of an air/gas mixture for respiratory therapy
CN109459331A (en) * 2019-01-11 2019-03-12 西安交通大学 A kind of venturi orifice plate experimental rig of the anti-cavitation corrosion of test material
CN114439971A (en) * 2020-10-30 2022-05-06 华仕德科技股份有限公司 Adjustable venturi
EP4338775A1 (en) * 2022-09-19 2024-03-20 Air Liquide Medical Systems Manual artificial respiration bag comprising a venturi device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB628727A (en) * 1947-10-10 1949-09-02 Henry Alfred Ernest Talley Improvements in or relating to apparatus for mixing gases
GB682519A (en) * 1949-11-16 1952-11-12 Robert Reynolds Macintosh Improvements in anaesthetic or analgesic inhalers
US3913607A (en) * 1974-05-07 1975-10-21 Hudson Oxygen Therapy Sales Co Oxygen dilution apparatus
US4848333A (en) * 1986-12-09 1989-07-18 Waite & Co. Pty. Limited Oxygen dilution apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB805941A (en) * 1955-12-01 1958-12-17 George William Higgs Improvements in or relating to apparatus for maintaining a controlled atmosphere in infant incubators, oxygen tents and the like
US3526241A (en) * 1967-11-24 1970-09-01 Robertshaw Controls Co Oxygen-air diluter for breathing apparatus
US4036253A (en) * 1975-11-12 1977-07-19 Peace Medical Gas dilution device
US4595002A (en) * 1983-10-20 1986-06-17 Baxter Travenol Laboratories, Inc. Nebulizer
ES1054363Y (en) * 2002-11-11 2004-05-01 Oxigem S L PERFECTED OXYGEN DOSER

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB628727A (en) * 1947-10-10 1949-09-02 Henry Alfred Ernest Talley Improvements in or relating to apparatus for mixing gases
GB682519A (en) * 1949-11-16 1952-11-12 Robert Reynolds Macintosh Improvements in anaesthetic or analgesic inhalers
US3913607A (en) * 1974-05-07 1975-10-21 Hudson Oxygen Therapy Sales Co Oxygen dilution apparatus
US4848333A (en) * 1986-12-09 1989-07-18 Waite & Co. Pty. Limited Oxygen dilution apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9498592B2 (en) 2012-01-23 2016-11-22 Aeon Research And Technology, Inc. Modular pulmonary treatment system
WO2019070712A1 (en) * 2017-10-03 2019-04-11 Enrico Brambilla Patient interface with integrated jet pump

Also Published As

Publication number Publication date
PT103088A (en) 2004-09-30
GB0305117D0 (en) 2003-04-09
GB0404248D0 (en) 2004-03-31
ES2277475A1 (en) 2007-07-01
ES2277475B2 (en) 2008-06-16
GB2407043A (en) 2005-04-20
PT103088B (en) 2005-02-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20240225