FR2476350B1 - SYSTEM FOR MEASURING THE CONDUCTIVITY OF A LIQUID - Google Patents

SYSTEM FOR MEASURING THE CONDUCTIVITY OF A LIQUID

Info

Publication number
FR2476350B1
FR2476350B1 FR8105297A FR8105297A FR2476350B1 FR 2476350 B1 FR2476350 B1 FR 2476350B1 FR 8105297 A FR8105297 A FR 8105297A FR 8105297 A FR8105297 A FR 8105297A FR 2476350 B1 FR2476350 B1 FR 2476350B1
Authority
FR
France
Prior art keywords
conductivity
measuring
liquid
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
FR8105297A
Other languages
French (fr)
Other versions
FR2476350A1 (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.)
United States Surgical Corp
Original Assignee
United States Surgical 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
Priority claimed from US06/089,088 external-priority patent/US4301414A/en
Priority claimed from US06/089,086 external-priority patent/US4301412A/en
Priority claimed from US06/089,087 external-priority patent/US4303887A/en
Application filed by United States Surgical Corp filed Critical United States Surgical Corp
Publication of FR2476350A1 publication Critical patent/FR2476350A1/en
Application granted granted Critical
Publication of FR2476350B1 publication Critical patent/FR2476350B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/22—Measuring resistance of fluids
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Ecology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR8105297A 1979-10-29 1981-03-17 SYSTEM FOR MEASURING THE CONDUCTIVITY OF A LIQUID Expired FR2476350B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/089,088 US4301414A (en) 1979-10-29 1979-10-29 Disposable sample card and method of making same
US06/089,086 US4301412A (en) 1979-10-29 1979-10-29 Liquid conductivity measuring system and sample cards therefor
US06/089,087 US4303887A (en) 1979-10-29 1979-10-29 Electrical liquid conductivity measuring system

Publications (2)

Publication Number Publication Date
FR2476350A1 FR2476350A1 (en) 1981-08-21
FR2476350B1 true FR2476350B1 (en) 1985-10-25

Family

ID=27376226

Family Applications (2)

Application Number Title Priority Date Filing Date
FR8023023A Expired FR2468945B1 (en) 1979-10-29 1980-10-28 SYSTEM FOR MEASURING THE CONDUCTIVITY OF A LIQUID AND SAMPLE CARDS FOR SUCH A SYSTEM
FR8105297A Expired FR2476350B1 (en) 1979-10-29 1981-03-17 SYSTEM FOR MEASURING THE CONDUCTIVITY OF A LIQUID

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR8023023A Expired FR2468945B1 (en) 1979-10-29 1980-10-28 SYSTEM FOR MEASURING THE CONDUCTIVITY OF A LIQUID AND SAMPLE CARDS FOR SUCH A SYSTEM

Country Status (5)

Country Link
JP (1) JPS5679242A (en)
CA (2) CA1153580A (en)
DE (1) DE3040233C2 (en)
FR (2) FR2468945B1 (en)
GB (2) GB2069702B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163694A4 (en) * 1983-11-10 1986-05-14 Sentech Medical Corp Clinical chemistry analyzer.
JPS60155964A (en) * 1984-01-25 1985-08-16 Fuji Photo Film Co Ltd Method and apparatus for measuring ion activity
CA1231136A (en) * 1984-06-13 1988-01-05 Ian A. Shanks Capillary action chemical test device
GB8626081D0 (en) * 1986-10-31 1986-12-03 Unilever Plc Printing processes
US5096669A (en) * 1988-09-15 1992-03-17 I-Stat Corporation Disposable sensing device for real time fluid analysis
US5221457A (en) * 1991-09-23 1993-06-22 Porton Diagnostics, Inc. System for analyzing ion levels in fluids
EP0622626B1 (en) * 1993-04-23 2002-03-06 Roche Diagnostics GmbH System for analysing the components of fluid samples
FR2711800B1 (en) * 1993-10-28 1996-01-12 Agronomique Inst Nat Rech Process and equipment for characterizing the stability of an emulsion.
US6071391A (en) 1997-09-12 2000-06-06 Nok Corporation Enzyme electrode structure
US6878251B2 (en) 1998-03-12 2005-04-12 Lifescan, Inc. Heated electrochemical cell
US6475360B1 (en) 1998-03-12 2002-11-05 Lifescan, Inc. Heated electrochemical cell
US6652734B1 (en) 1999-03-16 2003-11-25 Lifescan, Inc. Sensor with improved shelf life
DE10113646A1 (en) * 2001-03-20 2002-09-26 Abb Research Ltd Remote use fluid testing device has sensors linked to palm computer via modular interface and power supply
US7052480B2 (en) 2002-04-10 2006-05-30 Baxter International Inc. Access disconnection systems and methods
US20040254513A1 (en) 2002-04-10 2004-12-16 Sherwin Shang Conductive polymer materials and applications thereof including monitoring and providing effective therapy
US7022098B2 (en) 2002-04-10 2006-04-04 Baxter International Inc. Access disconnection systems and methods
US10155082B2 (en) 2002-04-10 2018-12-18 Baxter International Inc. Enhanced signal detection for access disconnection systems
US20070054404A1 (en) * 2005-09-08 2007-03-08 Beckman Coulter, Inc. Method of hemoglobin correction due to temperature variation
KR100886914B1 (en) * 2007-11-01 2009-03-09 주식회사 아이센스 Cartridge for chemical measurement of blood and apparatus using the same
US8114043B2 (en) 2008-07-25 2012-02-14 Baxter International Inc. Electromagnetic induction access disconnect sensor
GB0823719D0 (en) 2008-12-31 2009-02-04 Spd Swiss Prec Diagnostics Gmb A conductive measurement cell

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB973807A (en) * 1959-12-24 1964-10-28 Yellow Springs Instr Improvements in instruments for determining characteristics of blood
US3772591A (en) * 1972-04-12 1973-11-13 Fisher Scientific Co Method and apparatus for analyzing blood properties
US3753099A (en) * 1972-04-28 1973-08-14 Harco Electr Ltd Device and method for the quantitative measurement of fluid on paper strips
US4123701A (en) * 1976-07-01 1978-10-31 United States Surgical Corporation Disposable sample card having a well with electrodes for testing a liquid sample

Also Published As

Publication number Publication date
FR2468945A1 (en) 1981-05-08
DE3040233C2 (en) 1985-08-22
CA1152772A (en) 1983-08-30
DE3040233A1 (en) 1981-09-17
GB2077927B (en) 1984-02-01
FR2468945B1 (en) 1985-09-27
GB2069702B (en) 1984-01-11
GB2069702A (en) 1981-08-26
FR2476350A1 (en) 1981-08-21
JPS5679242A (en) 1981-06-29
GB2077927A (en) 1981-12-23
CA1153580A (en) 1983-09-13

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse