GB2399023B - Improvements relating to venturi devices - Google Patents

Improvements relating to venturi devices

Info

Publication number
GB2399023B
GB2399023B GB0404249A GB0404249A GB2399023B GB 2399023 B GB2399023 B GB 2399023B GB 0404249 A GB0404249 A GB 0404249A GB 0404249 A GB0404249 A GB 0404249A GB 2399023 B GB2399023 B GB 2399023B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
venturi devices
venturi
devices
relating
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
GB0404249A
Other versions
GB0404249D0 (en
GB2399023A (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 GB0404249D0 publication Critical patent/GB0404249D0/en
Publication of GB2399023A publication Critical patent/GB2399023A/en
Application granted granted Critical
Publication of GB2399023B publication Critical patent/GB2399023B/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
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • 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
    • 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
    • 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
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/42—Reducing noise

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)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
GB0404249A 2003-03-06 2004-02-26 Improvements relating to venturi devices Expired - Lifetime GB2399023B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0305118.2A GB0305118D0 (en) 2003-03-06 2003-03-06 Improvements relating to venturi devices

Publications (3)

Publication Number Publication Date
GB0404249D0 GB0404249D0 (en) 2004-03-31
GB2399023A GB2399023A (en) 2004-09-08
GB2399023B true GB2399023B (en) 2006-04-12

Family

ID=9954227

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0305118.2A Ceased GB0305118D0 (en) 2003-03-06 2003-03-06 Improvements relating to venturi devices
GB0404249A Expired - Lifetime GB2399023B (en) 2003-03-06 2004-02-26 Improvements relating to venturi devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0305118.2A Ceased GB0305118D0 (en) 2003-03-06 2003-03-06 Improvements relating to venturi devices

Country Status (3)

Country Link
ES (1) ES2277474B2 (en)
GB (2) GB0305118D0 (en)
PT (1) PT103089B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1274276A (en) * 1968-08-26 1972-05-17 Atlas Copco Ab Improvements in fluidic systems and fluidic devices therefor
GB1343576A (en) * 1971-05-19 1974-01-10 Gen Signal Corp Differential pressure fluid flow metering device
GB1384693A (en) * 1971-06-16 1975-02-19 Peabody Ltd Gas scrubbers
US3913607A (en) * 1974-05-07 1975-10-21 Hudson Oxygen Therapy Sales Co Oxygen dilution apparatus
GB2134414A (en) * 1983-01-31 1984-08-15 Exxon Research Engineering Co A sludge dislodging machine
SU1313496A1 (en) * 1985-08-06 1987-05-30 Шебекинский Биохимический Завод Installation for producing granulated product,,particularly,,fodder concentrate of lysine
US4848333A (en) * 1986-12-09 1989-07-18 Waite & Co. Pty. Limited Oxygen dilution apparatus
US5337958A (en) * 1993-06-02 1994-08-16 Spraying Systems Co. Screw-in type spray nozzle and method of assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502709A (en) * 1940-11-01 1950-04-04 Harley A Dorman Exhaust muffler including plural venturi elements
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
US4690245A (en) * 1983-03-17 1987-09-01 Stemco, Inc. Flattened venturi, method and apparatus for making
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1274276A (en) * 1968-08-26 1972-05-17 Atlas Copco Ab Improvements in fluidic systems and fluidic devices therefor
GB1343576A (en) * 1971-05-19 1974-01-10 Gen Signal Corp Differential pressure fluid flow metering device
GB1384693A (en) * 1971-06-16 1975-02-19 Peabody Ltd Gas scrubbers
US3913607A (en) * 1974-05-07 1975-10-21 Hudson Oxygen Therapy Sales Co Oxygen dilution apparatus
GB2134414A (en) * 1983-01-31 1984-08-15 Exxon Research Engineering Co A sludge dislodging machine
SU1313496A1 (en) * 1985-08-06 1987-05-30 Шебекинский Биохимический Завод Installation for producing granulated product,,particularly,,fodder concentrate of lysine
US4848333A (en) * 1986-12-09 1989-07-18 Waite & Co. Pty. Limited Oxygen dilution apparatus
US5337958A (en) * 1993-06-02 1994-08-16 Spraying Systems Co. Screw-in type spray nozzle and method of assembly

Also Published As

Publication number Publication date
GB0305118D0 (en) 2003-04-09
ES2277474A1 (en) 2007-07-01
ES2277474B2 (en) 2008-11-16
GB0404249D0 (en) 2004-03-31
GB2399023A (en) 2004-09-08
PT103089B (en) 2005-04-29
PT103089A (en) 2004-09-30

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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