ATE386559T1 - Flussrestriktor und system zur abgabe einer flüssigkeitsströmung in eine mikrokapillare - Google Patents

Flussrestriktor und system zur abgabe einer flüssigkeitsströmung in eine mikrokapillare

Info

Publication number
ATE386559T1
ATE386559T1 AT04762807T AT04762807T ATE386559T1 AT E386559 T1 ATE386559 T1 AT E386559T1 AT 04762807 T AT04762807 T AT 04762807T AT 04762807 T AT04762807 T AT 04762807T AT E386559 T1 ATE386559 T1 AT E386559T1
Authority
AT
Austria
Prior art keywords
sub
channel
flow
inlet
hydraulic diameter
Prior art date
Application number
AT04762807T
Other languages
English (en)
Inventor
Peter Gravesen
Martin Manscher
Per Rasmussen
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Application granted granted Critical
Publication of ATE386559T1 publication Critical patent/ATE386559T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/141—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor with capillaries for restricting fluid flow
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C5/00—Manufacture of fluid circuit elements; Manufacture of assemblages of such elements integrated circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0017—Capillary or surface tension valves, e.g. using electro-wetting or electro-capillarity effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0026—Valves using channel deformation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0034—Operating means specially adapted for microvalves
    • F16K99/0055—Operating means specially adapted for microvalves actuated by fluids
    • F16K99/0057—Operating means specially adapted for microvalves actuated by fluids the fluid being the circulating fluid itself, e.g. check valves
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14276—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body specially adapted for implantation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K2099/0082—Microvalves adapted for a particular use
    • F16K2099/0086—Medical applications

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Paper (AREA)
  • Flow Control (AREA)
AT04762807T 2003-09-10 2004-09-04 Flussrestriktor und system zur abgabe einer flüssigkeitsströmung in eine mikrokapillare ATE386559T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA200301301 2003-09-10

Publications (1)

Publication Number Publication Date
ATE386559T1 true ATE386559T1 (de) 2008-03-15

Family

ID=34259079

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04762807T ATE386559T1 (de) 2003-09-10 2004-09-04 Flussrestriktor und system zur abgabe einer flüssigkeitsströmung in eine mikrokapillare

Country Status (5)

Country Link
US (1) US7431052B2 (de)
EP (1) EP1663350B1 (de)
AT (1) ATE386559T1 (de)
DE (1) DE602004011954T2 (de)
WO (1) WO2005023339A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006061020A1 (en) * 2004-12-08 2006-06-15 Danfoss A/S Bubble-tolerant micro-mixers
US8997449B2 (en) * 2008-12-22 2015-04-07 Pratt & Whitney Canada Corp. Flow restrictor for lubrication line
WO2016130558A1 (en) * 2015-02-09 2016-08-18 President And Fellows Of Harvard College Fluid-based gating mechanism with tunable multiphase selectivity and antifouling behavior
US10258741B2 (en) 2016-12-28 2019-04-16 Cequr Sa Microfluidic flow restrictor and system
US10814062B2 (en) 2017-08-31 2020-10-27 Becton, Dickinson And Company Reservoir with low volume sensor
EP3787715B1 (de) 2018-05-02 2023-11-08 Cequr SA Apparate und methoden zur bereitstellung einer bolusdosis in einem mikrofluidischen pumpkreislauf

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898637A (en) 1973-07-27 1975-08-05 Eugene B Wolstenholme Detection means for gas entering human blood system from extra-corporeal tubing
US4037596A (en) 1975-12-03 1977-07-26 Burron Medical Products, Inc. Parenteral administration set with internal valve and flow restrictor
US4192303A (en) * 1978-06-29 1980-03-11 Walker Ralph S Flow regulating device for arterial catheter systems
DE2927488A1 (de) * 1979-07-07 1981-01-22 Philips Patentverwaltung Tintenstrahldrucker
DE3577039D1 (de) * 1984-06-21 1990-05-17 David R Fischell Fingerbetaetigtes infusionssystem zur medikamentoesen versorgung.
US4934375A (en) * 1988-03-04 1990-06-19 Spectramed, Inc. Flush-valve assembly for blood pressure measurement catheter
US5085058A (en) 1990-07-18 1992-02-04 The United States Of America As Represented By The Secretary Of Commerce Bi-flow expansion device
US5409477A (en) 1993-09-23 1995-04-25 Abbott Laboratories Solution administration apparatus with orifice flow control device
US5489265A (en) 1994-06-15 1996-02-06 Ivac Corporation Restrictor fitting for an infusion pump
SE9501364D0 (sv) 1995-04-12 1995-04-12 Siemens Elema Ab Pump
DE19749011A1 (de) * 1996-11-19 1998-05-20 Lang Volker Mikroventil

Also Published As

Publication number Publication date
US7431052B2 (en) 2008-10-07
DE602004011954D1 (de) 2008-04-03
DE602004011954T2 (de) 2009-06-04
EP1663350B1 (de) 2008-02-20
WO2005023339A1 (en) 2005-03-17
US20070012371A1 (en) 2007-01-18
EP1663350A1 (de) 2006-06-07

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Legal Events

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