SE534896C2 - Flow restrictor and method to reduce a flow resistance - Google Patents

Flow restrictor and method to reduce a flow resistance

Info

Publication number
SE534896C2
SE534896C2 SE1050487A SE1050487A SE534896C2 SE 534896 C2 SE534896 C2 SE 534896C2 SE 1050487 A SE1050487 A SE 1050487A SE 1050487 A SE1050487 A SE 1050487A SE 534896 C2 SE534896 C2 SE 534896C2
Authority
SE
Sweden
Prior art keywords
flow
reduce
method
restrictor
resistance
Prior art date
Application number
SE1050487A
Other languages
Swedish (sv)
Other versions
SE1050487A1 (en
Inventor
Goeran Cewers
Original Assignee
Mindray Medical Sweden Ab
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 Mindray Medical Sweden Ab filed Critical Mindray Medical Sweden Ab
Priority to SE1050487A priority Critical patent/SE534896C2/en
Priority claimed from PCT/EP2011/058008 external-priority patent/WO2011144641A1/en
Publication of SE1050487A1 publication Critical patent/SE1050487A1/en
Publication of SE534896C2 publication Critical patent/SE534896C2/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087Measuring breath flow
    • A61B5/0876Measuring breath flow using means deflected by the fluid stream, e.g. flaps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40Details or construction of the flow constriction devices
    • G01F1/42Orifices or nozzles
SE1050487A 2010-05-17 2010-05-17 Flow restrictor and method to reduce a flow resistance SE534896C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1050487A SE534896C2 (en) 2010-05-17 2010-05-17 Flow restrictor and method to reduce a flow resistance

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE1050487A SE534896C2 (en) 2010-05-17 2010-05-17 Flow restrictor and method to reduce a flow resistance
PCT/EP2011/058008 WO2011144641A1 (en) 2010-05-17 2011-05-17 Coaxial means for measuring a flow and a method of measuring a flow
EP11721498A EP2572170A1 (en) 2010-05-17 2011-05-17 Coaxial means for measuring a flow and a method of measuring a flow
CN201110127330.3A CN102288233B (en) 2010-05-17 2011-05-17 The method of one kind and a flow restrictor for reducing fluid resistance

Publications (2)

Publication Number Publication Date
SE1050487A1 SE1050487A1 (en) 2011-11-18
SE534896C2 true SE534896C2 (en) 2012-02-07

Family

ID=45318714

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1050487A SE534896C2 (en) 2010-05-17 2010-05-17 Flow restrictor and method to reduce a flow resistance

Country Status (2)

Country Link
CN (1) CN102288233B (en)
SE (1) SE534896C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103563795A (en) * 2012-07-19 2014-02-12 敖志辉 Perforated annular positioning flow choking device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196680A (en) * 1962-01-03 1965-07-27 Itt Flow tubes
AU8661901A (en) * 2000-08-22 2002-03-04 Fugasity Corp Fluid mass flow meter with substantial measurement range
US7806120B2 (en) * 2004-12-08 2010-10-05 Ventus Medical, Inc. Nasal respiratory devices for positive end-expiratory pressure
BRPI0703836B8 (en) * 2007-09-06 2018-09-18 Intermed Equipamento Medico Hospitalar Ltda Dual flow obstruction sensor

Also Published As

Publication number Publication date
CN102288233A (en) 2011-12-21
SE1050487A1 (en) 2011-11-18
CN102288233B (en) 2016-06-15

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