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GB2033575B - Investigating substances in a patient's bloodstream - Google Patents

Investigating substances in a patient's bloodstream

Info

Publication number
GB2033575B
GB2033575B GB7929659A GB7929659A GB2033575B GB 2033575 B GB2033575 B GB 2033575B GB 7929659 A GB7929659 A GB 7929659A GB 7929659 A GB7929659 A GB 7929659A GB 2033575 B GB2033575 B GB 2033575B
Authority
GB
United Kingdom
Prior art keywords
bloodstream
patient
investigating substances
investigating
substances
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
Application number
GB7929659A
Other versions
GB2033575A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2033575A publication Critical patent/GB2033575A/en
Application granted granted Critical
Publication of GB2033575B publication Critical patent/GB2033575B/en
Expired 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
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring blood gases
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1477—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means non-invasive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1491—Heated applicators
    • 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
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Emergency Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
GB7929659A 1978-05-24 1979-08-24 Investigating substances in a patient's bloodstream Expired GB2033575B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2213278 1978-05-24

Publications (2)

Publication Number Publication Date
GB2033575A GB2033575A (en) 1980-05-21
GB2033575B true GB2033575B (en) 1983-03-02

Family

ID=10174414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7929659A Expired GB2033575B (en) 1978-05-24 1979-08-24 Investigating substances in a patient's bloodstream

Country Status (1)

Country Link
GB (1) GB2033575B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182910B2 (en) 1999-03-12 2007-02-27 Integ, Inc. Collection well for body fluid tester

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2823769C2 (en) * 1978-05-31 1985-08-22 Albert Prof. Dr. 3550 Marburg Huch Measuring head with thermal stabilization
EP0276344A1 (en) * 1982-09-30 1988-08-03 Yoshiaki Omura Non-invasive monitoring of blood flow and cerebral blood pressure using ultra miniature reflection type photoelectric plethysmographic sensors
DE3477991D1 (en) * 1984-05-04 1989-06-08 Kurashiki Boseki Kk Spectrophotometric apparatus for the non-invasive determination of glucose in body tissues
US4655225A (en) * 1985-04-18 1987-04-07 Kurabo Industries Ltd. Spectrophotometric method and apparatus for the non-invasive
DE3681175D1 (en) * 1986-11-17 1991-10-02 Hellige Gmbh COMBINATION SENSOR FOR TRANSCUTANEAL DETECTION OF OXYGEN AND CARBON DIOXIDE IN THE BLOOD.
WO1989006989A1 (en) * 1988-01-29 1989-08-10 The Regents Of The University Of California Iontophoretic non-invasive sampling or delivery device
US5222495A (en) * 1990-02-02 1993-06-29 Angiomedics Ii, Inc. Non-invasive blood analysis by near infrared absorption measurements using two closely spaced wavelengths
US5246004A (en) * 1990-02-02 1993-09-21 Angiomedics Ii, Inc. Infrared cholesterol sensor
US5115133A (en) * 1990-04-19 1992-05-19 Inomet, Inc. Testing of body fluid constituents through measuring light reflected from tympanic membrane
US5079421A (en) * 1990-04-19 1992-01-07 Inomet, Inc. Invasive FTIR blood constituent testing
US5533509A (en) * 1993-08-12 1996-07-09 Kurashiki Boseki Kabushiki Kaisha Method and apparatus for non-invasive measurement of blood sugar level
US5582184A (en) * 1993-10-13 1996-12-10 Integ Incorporated Interstitial fluid collection and constituent measurement
JPH07250826A (en) * 1994-03-14 1995-10-03 Sony Corp Blood glucose level measuring device
WO1997010745A1 (en) * 1995-09-08 1997-03-27 Integ, Inc. Body fluid sampler
US6624882B2 (en) 1995-09-08 2003-09-23 Integ, Inc. Methods of sampling body fluid
US6614522B1 (en) 1995-09-08 2003-09-02 Integ, Inc. Body fluid sampler
US5879367A (en) 1995-09-08 1999-03-09 Integ, Inc. Enhanced interstitial fluid collection
DE19613225C1 (en) * 1996-04-02 1997-08-28 Barnikol Wolfgang Device for the simultaneous epi-tissue measurement of the intra-tissue oxygen partial pressure and the oxygen conductivity
US5890489A (en) * 1996-04-23 1999-04-06 Dermal Therapy (Barbados) Inc. Method for non-invasive determination of glucose in body fluids
US5792053A (en) * 1997-03-17 1998-08-11 Polartechnics, Limited Hybrid probe for tissue type recognition
US5830146A (en) * 1997-03-17 1998-11-03 Polartechnics Limited Sheathed probes for tissue type recognition
SE512047C2 (en) * 1998-03-02 2000-01-17 John Jacob Engellau Measuring device, especially for blood sugar determination
AT409451B (en) * 1999-12-14 2002-08-26 Hoffmann La Roche DEVICE FOR DETERMINING THE LOCAL DISTRIBUTION OF A MEASURED VALUE
US7315767B2 (en) 2001-03-06 2008-01-01 Solianis Holding Ag Impedance spectroscopy based systems and methods
CA2439822C (en) 2001-03-06 2011-01-11 Pendragon Medical Ltd. Method and device for determining the concentration of a substance in body liquid
WO2004021877A1 (en) 2002-09-04 2004-03-18 Pendragon Medical Ltd. Method and device for measuring glucose
DE60230824D1 (en) 2002-09-24 2009-02-26 Solianis Holding Ag DEVICE FOR MEASURING GLUCOSE CONCENTRATIONS
ATE531309T1 (en) 2003-12-02 2011-11-15 Solianis Holding Ag DEVICE AND METHOD FOR MEASURING A PROPERTY OF LIVING TISSUE
DE602004021515D1 (en) 2004-06-07 2009-07-23 Solianis Holding Ag METHOD AND DEVICE FOR DETERMINING A PARAMETER IN LIVING TISSUE
EP2329764A3 (en) 2005-11-10 2011-10-19 Solianis Holding AG Device for determining the glucose level in body tissue
US8527023B2 (en) 2007-04-27 2013-09-03 Sentec Ag Device and method for transcutaneous determination of blood gases
GB201420919D0 (en) * 2014-11-25 2015-01-07 Nottingham University Hospitals Nhs Trust And Barker Brettell Llp And University Of Nottingham Airway maintenance device
CN106377255B (en) * 2016-08-30 2020-01-21 苏州涵轩信息科技有限公司 A blood state display device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182910B2 (en) 1999-03-12 2007-02-27 Integ, Inc. Collection well for body fluid tester

Also Published As

Publication number Publication date
GB2033575A (en) 1980-05-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee