GB2235288B - Oximeters - Google Patents

Oximeters

Info

Publication number
GB2235288B
GB2235288B GB9016559A GB9016559A GB2235288B GB 2235288 B GB2235288 B GB 2235288B GB 9016559 A GB9016559 A GB 9016559A GB 9016559 A GB9016559 A GB 9016559A GB 2235288 B GB2235288 B GB 2235288B
Authority
GB
United Kingdom
Prior art keywords
oximeters
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 - Fee Related
Application number
GB9016559A
Other versions
GB9016559D0 (en
GB2235288A (en
Inventor
Phillip Owen Byrne
Daniel John Clark
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.)
BTG International Ltd
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
British Technology Group Ltd
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 GB898917187A external-priority patent/GB8917187D0/en
Application filed by National Research Development Corp UK, British Technology Group Ltd filed Critical National Research Development Corp UK
Priority to GB9016559A priority Critical patent/GB2235288B/en
Publication of GB9016559D0 publication Critical patent/GB9016559D0/en
Publication of GB2235288A publication Critical patent/GB2235288A/en
Application granted granted Critical
Publication of GB2235288B publication Critical patent/GB2235288B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • 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
    • G01N33/4925—Blood measuring blood gas content, e.g. O2, CO2, HCO3

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Ecology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Surgery (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
GB9016559A 1989-07-27 1990-07-27 Oximeters Expired - Fee Related GB2235288B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9016559A GB2235288B (en) 1989-07-27 1990-07-27 Oximeters

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898917187A GB8917187D0 (en) 1989-07-27 1989-07-27 Oximeters
GB909003323A GB9003323D0 (en) 1989-07-27 1990-02-14 Oximeters
GB9016559A GB2235288B (en) 1989-07-27 1990-07-27 Oximeters

Publications (3)

Publication Number Publication Date
GB9016559D0 GB9016559D0 (en) 1990-09-12
GB2235288A GB2235288A (en) 1991-02-27
GB2235288B true GB2235288B (en) 1993-02-10

Family

ID=27264600

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9016559A Expired - Fee Related GB2235288B (en) 1989-07-27 1990-07-27 Oximeters

Country Status (1)

Country Link
GB (1) GB2235288B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7865224B2 (en) 1995-08-07 2011-01-04 Nellcor Puritan Bennett Llc Method and apparatus for estimating a physiological parameter
US7937130B2 (en) 1991-03-07 2011-05-03 Masimo Corporation Signal processing apparatus
US8019400B2 (en) 1994-10-07 2011-09-13 Masimo Corporation Signal processing apparatus
US8036728B2 (en) 1991-03-07 2011-10-11 Masimo Corporation Signal processing apparatus
US8180420B2 (en) 1997-04-14 2012-05-15 Masimo Corporation Signal processing apparatus and method
US8560034B1 (en) 1993-10-06 2013-10-15 Masimo Corporation Signal processing apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632272A (en) * 1991-03-07 1997-05-27 Masimo Corporation Signal processing apparatus
DE69229994T2 (en) * 1991-03-07 2000-04-27 Masimo Corp., Laguna Hills DEVICE AND METHOD FOR SIGNAL PROCESSING
US7376453B1 (en) 1993-10-06 2008-05-20 Masimo Corporation Signal processing apparatus
GB2307295B (en) * 1995-11-17 1997-10-29 Pierre Robert Graves Transcutaneous measurement of substance in body tissues or fluid
US6690958B1 (en) * 2002-05-07 2004-02-10 Nostix Llc Ultrasound-guided near infrared spectrophotometer

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8364226B2 (en) 1991-03-07 2013-01-29 Masimo Corporation Signal processing apparatus
US8942777B2 (en) 1991-03-07 2015-01-27 Masimo Corporation Signal processing apparatus
US7937130B2 (en) 1991-03-07 2011-05-03 Masimo Corporation Signal processing apparatus
US7962190B1 (en) 1991-03-07 2011-06-14 Masimo Corporation Signal processing apparatus
US8036728B2 (en) 1991-03-07 2011-10-11 Masimo Corporation Signal processing apparatus
US8046042B2 (en) 1991-03-07 2011-10-25 Masimo Corporation Signal processing apparatus
US8046041B2 (en) 1991-03-07 2011-10-25 Masimo Corporation Signal processing apparatus
US8560034B1 (en) 1993-10-06 2013-10-15 Masimo Corporation Signal processing apparatus
US8463349B2 (en) 1994-10-07 2013-06-11 Masimo Corporation Signal processing apparatus
US8359080B2 (en) 1994-10-07 2013-01-22 Masimo Corporation Signal processing apparatus
US8019400B2 (en) 1994-10-07 2011-09-13 Masimo Corporation Signal processing apparatus
US8755856B2 (en) 1994-10-07 2014-06-17 Masimo Corporation Signal processing apparatus
US7865224B2 (en) 1995-08-07 2011-01-04 Nellcor Puritan Bennett Llc Method and apparatus for estimating a physiological parameter
US7931599B2 (en) 1995-08-07 2011-04-26 Nellcor Puritan Bennett Llc Method and apparatus for estimating a physiological parameter
US8190227B2 (en) 1997-04-14 2012-05-29 Masimo Corporation Signal processing apparatus and method
US8180420B2 (en) 1997-04-14 2012-05-15 Masimo Corporation Signal processing apparatus and method
US8888708B2 (en) 1997-04-14 2014-11-18 Masimo Corporation Signal processing apparatus and method
US9289167B2 (en) 1997-04-14 2016-03-22 Masimo Corporation Signal processing apparatus and method

Also Published As

Publication number Publication date
GB9016559D0 (en) 1990-09-12
GB2235288A (en) 1991-02-27

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960727