GB1504482A - Platelet aggregation monitoring device - Google Patents

Platelet aggregation monitoring device

Info

Publication number
GB1504482A
GB1504482A GB23214/76A GB2321476A GB1504482A GB 1504482 A GB1504482 A GB 1504482A GB 23214/76 A GB23214/76 A GB 23214/76A GB 2321476 A GB2321476 A GB 2321476A GB 1504482 A GB1504482 A GB 1504482A
Authority
GB
United Kingdom
Prior art keywords
amplifier
platelet
gain
samples
factor
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
GB23214/76A
Other languages
English (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.)
Bio Data Corp
Original Assignee
Bio Data Corp
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 Bio Data Corp filed Critical Bio Data Corp
Publication of GB1504482A publication Critical patent/GB1504482A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/272—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • G01N33/4905—Determining clotting time of blood

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Immunology (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Biophysics (AREA)
  • Ecology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
GB23214/76A 1975-01-22 1976-06-04 Platelet aggregation monitoring device Expired GB1504482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/542,997 US3989382A (en) 1975-01-22 1975-01-22 Platelet aggregation monitoring device

Publications (1)

Publication Number Publication Date
GB1504482A true GB1504482A (en) 1978-03-22

Family

ID=24166171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23214/76A Expired GB1504482A (en) 1975-01-22 1976-06-04 Platelet aggregation monitoring device

Country Status (3)

Country Link
US (1) US3989382A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5848054B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1504482A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327371A (en) 1979-12-19 1982-04-27 The Singer Company Method and apparatus calibrating a plurality of preamplifiers

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135818A (en) * 1975-01-22 1979-01-23 Bio/Data Corporation Platelet aggregation monitoring device
FR2383444A1 (fr) * 1977-03-11 1978-10-06 Laborgeraete Analysensyst Gmbh Mesure du temps de coagulation de sang
JPS5451893A (en) * 1977-09-30 1979-04-24 Sankyo Co Measuring of blood coagulating time
US4309112A (en) * 1979-05-15 1982-01-05 Sherwood Medical Industries Inc. Rate measurement analyzer
US4325706A (en) * 1980-08-15 1982-04-20 Ortho Diagnostic Systems Inc. Automated detection of platelets and reticulocytes in whole blood
US4591793A (en) * 1984-06-14 1986-05-27 Freilich Arthur H Aggregometer electrode structures
US5114860A (en) * 1984-10-09 1992-05-19 Toa Medical Electronics Co., Ltd. Device of measuring a blood coagulating time
US4856906A (en) * 1986-09-29 1989-08-15 Circuits And Systems, Inc. Enhanced system for transmission loss comparison
US4788139A (en) * 1987-08-06 1988-11-29 Streck Laboratories, Inc. Platelet aggregation reagent, reagent container and method of determining platelet aggregation in EDTA-anticoagulated blood
WO1989010562A1 (fr) * 1988-04-20 1989-11-02 Vsesojuzny Kardiologichesky Nauchny Tsentr Akademi Procede et dispositif pour analyser l'agregation de thrombocytes
US5223437A (en) * 1989-12-01 1993-06-29 Akzo N.V. Direct fibrinogen assay
IE904244A1 (en) * 1989-12-01 1991-06-05 Akzo Nv Direct fibrinogen assay
US5487112A (en) * 1990-02-20 1996-01-23 Board Of Regents, The University Of Texas System Method and apparatus for time-resolved measurements of lymphocyte function and aggregate structure using computer-automated microscopy
US6043871A (en) * 1997-03-03 2000-03-28 Brigham Young University System and method for measuring blood platelet function
WO2009111615A2 (en) * 2008-03-05 2009-09-11 Thrombovision, Inc. Systems for measuring properties of a physiological fluid suspension
CN109406461B (zh) * 2018-09-30 2021-05-14 山东泰利信医疗科技有限公司 血小板聚集率测量结果判定方法及血小板聚集仪的标定方法
EP4134658A1 (de) * 2021-08-10 2023-02-15 Kommanditgesellschaft Behnk Elektronik GmbH & Co. Verfahren zur erstellung einer datenbank zur ermittlung eines lichttransmissionsaggregometrie-referenzwerts und verfahren und vorrichtung zur durchführung einer lichttransmissionsaggregometrie-messung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089382A (en) * 1957-07-01 1963-05-14 Shell Oil Co Method and apparatus for analyzing fluids
US3658480A (en) * 1970-04-13 1972-04-25 Bio Data Corp Coagulation timing apparatus, and method
US3711774A (en) * 1971-03-01 1973-01-16 Perkin Elmer Corp Automatic gain calibration
SE355414B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-04-05 1973-04-16 Saab Scania Ab
NL7305239A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-04-25 1973-10-29
US3861877A (en) * 1974-01-21 1975-01-21 Clinical Technology Inc Optical analysis of fluids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327371A (en) 1979-12-19 1982-04-27 The Singer Company Method and apparatus calibrating a plurality of preamplifiers

Also Published As

Publication number Publication date
JPS5848054B2 (ja) 1983-10-26
US3989382A (en) 1976-11-02
JPS5197483A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-27

Similar Documents

Publication Publication Date Title
GB1504482A (en) Platelet aggregation monitoring device
US4277697A (en) Duty cycle control apparatus
GB1187523A (en) Process Control Method
JPS567061A (en) Detector for output voltage drop of stabilizing dc power
GB1581743A (en) Automatic matching of a transmitter to its aerial
US3312894A (en) System for measuring a characteristic of an electrical pulse
US4042885A (en) Zeroing circuit
GB932835A (en) Function generator
EP0253545A2 (en) Signal measurement
US4149117A (en) Circuit and method for servo speed control
US4136595A (en) Single bus keyboard
SU1126888A1 (ru) Способ измерени посто нной составл ющей периодического сигнала
US3937062A (en) Zeroing circuit
SU1134917A1 (ru) Устройство дл измерени мощности СВЧ
JPS5582535A (en) Automatic threshold value control circuit
SU790245A1 (ru) Устройство регистрации пикового значени импульсов
SU636629A1 (ru) Интегрирующее устройство
SU721911A1 (ru) Демодул тор широтно-импульсной модул ции
SU917332A1 (ru) Широтно-импульсный модул тор
JPS5786917A (en) Direct-current stabilized power source device
SU678685A1 (ru) Устройство дл восстановлени посто нной составл ющей сигнала
SU658572A1 (ru) Врем импульсное делительное устройство компенсационного типа
SU815879A1 (ru) Формирователь импульсов
SU943583A1 (ru) Устройство дл стробоскопического преобразовани электрических сигналов
JPS56126357A (en) Digital signal separating circuit

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee