GB8916184D0 - Method and apparatus for monitoring concentration of blood components - Google Patents

Method and apparatus for monitoring concentration of blood components

Info

Publication number
GB8916184D0
GB8916184D0 GB898916184A GB8916184A GB8916184D0 GB 8916184 D0 GB8916184 D0 GB 8916184D0 GB 898916184 A GB898916184 A GB 898916184A GB 8916184 A GB8916184 A GB 8916184A GB 8916184 D0 GB8916184 D0 GB 8916184D0
Authority
GB
United Kingdom
Prior art keywords
blood components
monitoring concentration
monitoring
concentration
blood
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.)
Granted
Application number
GB898916184A
Other versions
GB2219083A (en
GB2219083B (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.)
Terumo BCT Inc
Original Assignee
Cobe Laboratories Inc
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
Priority claimed from US07/088,686 external-priority patent/US4810090A/en
Application filed by Cobe Laboratories Inc filed Critical Cobe Laboratories Inc
Publication of GB8916184D0 publication Critical patent/GB8916184D0/en
Publication of GB2219083A publication Critical patent/GB2219083A/en
Application granted granted Critical
Publication of GB2219083B publication Critical patent/GB2219083B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
    • G01N2015/018—Platelets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/04—Investigating sedimentation of particle suspensions
    • G01N15/042—Investigating sedimentation of particle suspensions by centrifuging and investigating centrifugates
    • G01N2015/045—Investigating sedimentation of particle suspensions by centrifuging and investigating centrifugates by optical analysis
    • 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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3181—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using LEDs
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4711—Multiangle measurement

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
GB8916184A 1987-08-24 1989-07-14 Apparatus for monitoring blood components Expired - Lifetime GB2219083B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/088,686 US4810090A (en) 1987-08-24 1987-08-24 Method and apparatus for monitoring blood components
GB8820084A GB2208927B (en) 1987-08-24 1988-08-24 Method and apparatus for monitoring concentration of blood components

Publications (3)

Publication Number Publication Date
GB8916184D0 true GB8916184D0 (en) 1989-08-31
GB2219083A GB2219083A (en) 1989-11-29
GB2219083B GB2219083B (en) 1992-02-19

Family

ID=26294315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8916184A Expired - Lifetime GB2219083B (en) 1987-08-24 1989-07-14 Apparatus for monitoring blood components

Country Status (1)

Country Link
GB (1) GB2219083B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0888531A1 (en) * 1995-12-18 1999-01-07 Center for Laboratory Technology, Inc. Multi-parameter hematology apparatus and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182432B (en) * 1985-10-30 1989-10-25 Edmund Miles Rank Improvements in and relating to apparatus for detecting particles in suspension

Also Published As

Publication number Publication date
GB2219083A (en) 1989-11-29
GB2219083B (en) 1992-02-19

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Legal Events

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

Effective date: 20060824