DE60227281D1 - Multifaser sensor zum messen der durchblutung - Google Patents

Multifaser sensor zum messen der durchblutung

Info

Publication number
DE60227281D1
DE60227281D1 DE60227281T DE60227281T DE60227281D1 DE 60227281 D1 DE60227281 D1 DE 60227281D1 DE 60227281 T DE60227281 T DE 60227281T DE 60227281 T DE60227281 T DE 60227281T DE 60227281 D1 DE60227281 D1 DE 60227281D1
Authority
DE
Germany
Prior art keywords
sensor
diffusionally
reservoir
permeable
multifaser
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
DE60227281T
Other languages
English (en)
Inventor
Thomas Kjaer
Lars Riis Damgaard
Jens Kristian Gundersen
Lars Hauer Larsen
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.)
Unisense AS
Original Assignee
Unisense 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 Unisense AS filed Critical Unisense AS
Application granted granted Critical
Publication of DE60227281D1 publication Critical patent/DE60227281D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/413—Monitoring transplanted tissue or organ, e.g. for possible rejection reactions after a transplant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/006—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus characterised by the use of a particular material, e.g. anti-corrosive material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/14—Casings, e.g. of special material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7086—Measuring the time taken to traverse a fixed distance using optical detecting arrangements

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Immunology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE60227281T 2001-12-21 2002-12-20 Multifaser sensor zum messen der durchblutung Expired - Lifetime DE60227281D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200101950 2001-12-21
PCT/DK2002/000889 WO2003055385A1 (en) 2001-12-21 2002-12-20 Multifibre sensor for measuring perfusion

Publications (1)

Publication Number Publication Date
DE60227281D1 true DE60227281D1 (de) 2008-08-07

Family

ID=8160933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60227281T Expired - Lifetime DE60227281D1 (de) 2001-12-21 2002-12-20 Multifaser sensor zum messen der durchblutung

Country Status (6)

Country Link
US (1) US20050124867A1 (de)
EP (1) EP1455643B1 (de)
AT (1) ATE398964T1 (de)
AU (1) AU2002367084A1 (de)
DE (1) DE60227281D1 (de)
WO (1) WO2003055385A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8773130B2 (en) 2009-04-01 2014-07-08 The University Of North Carolina At Chapel Hill Device for particulate NMR samples in a fluid and related methods
JP5951487B2 (ja) 2009-08-22 2016-07-13 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー 胚、卵母細胞、および幹細胞の撮像および評価
CN103517676A (zh) 2010-09-27 2014-01-15 奥克索金股份有限公司 用于胚胎、卵母细胞和干细胞的自动化成像和评价的装置、方法和系统
JP2014507664A (ja) 2011-02-23 2014-03-27 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー ヒト胚における異数性の検出方法
US10221686B2 (en) * 2011-09-13 2019-03-05 Halliburton Energy Services, Inc. Measuring an adsorbing chemical in downhole fluids
WO2014121200A1 (en) 2013-02-01 2014-08-07 Auxogyn, Inc. Abnormal syngamy phenotypes observed with time lapse imaging for early identification of embryos with lower developmental potential

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461345A (en) * 1974-01-29 1977-01-13 Eschweiler Co L Method and device for determining the perfusion efficiency factor of animal tissue
DE2737709C3 (de) * 1977-08-22 1982-11-04 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Anordnung und Verfahren zur transcutanen Bestimmung der Perfusionseffizienz
US4274417A (en) * 1978-09-22 1981-06-23 National Research Development Corporation Instruments for use in the measurement of gases in body fluids
US4445515A (en) * 1981-11-02 1984-05-01 Diresta Gene R Apparatus for performing tissue perfusion measurements
US4859078A (en) * 1986-02-07 1989-08-22 Massachusetts Institute Of Technology Apparatus for the non-invasive measurement of thermal properties and perfusion rates of biomaterials
US4869253A (en) * 1986-08-18 1989-09-26 Physio-Control Corporation Method and apparatus for indicating perfusion and oxygen saturation trends in oximetry
DE3768088D1 (de) * 1987-06-03 1991-03-28 Hewlett Packard Gmbh Verfahren zur bestimmung der perfusion.
US5594179A (en) * 1995-11-06 1997-01-14 Marsh-Mcbirney, Inc. Tracer type flowmeter and method using two or more injected trace materials
DK174312B1 (da) * 1996-06-06 2002-12-02 Ole Pedersen Fremgangsmåde til måling af strømningshastighed og diffusivitet, mikrosensor til brug ved fremgangsmåden samt anvendelse af sådan mikrosensor
AU5968599A (en) * 1999-10-04 2001-05-10 Lars Riis Damgaard Sensor for measuring tissue perfusion

Also Published As

Publication number Publication date
ATE398964T1 (de) 2008-07-15
US20050124867A1 (en) 2005-06-09
AU2002367084A1 (en) 2003-07-15
WO2003055385A1 (en) 2003-07-10
EP1455643A1 (de) 2004-09-15
EP1455643B1 (de) 2008-06-25

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