ATE318929T1 - Verfahren und vorrichtung zur messung der konzentration einer substanz in einer lösung - Google Patents

Verfahren und vorrichtung zur messung der konzentration einer substanz in einer lösung

Info

Publication number
ATE318929T1
ATE318929T1 AT01120674T AT01120674T ATE318929T1 AT E318929 T1 ATE318929 T1 AT E318929T1 AT 01120674 T AT01120674 T AT 01120674T AT 01120674 T AT01120674 T AT 01120674T AT E318929 T1 ATE318929 T1 AT E318929T1
Authority
AT
Austria
Prior art keywords
solution
concentration
urea
measuring
substance
Prior art date
Application number
AT01120674T
Other languages
English (en)
Inventor
Raymond Edgson
Bo Olde
Lars-Fride Olsson
Arfon Goodman-Jones
Original Assignee
Gambro Lundia Ab
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 SE9402602A external-priority patent/SE512183C2/sv
Priority claimed from SE9402835A external-priority patent/SE9402835D0/xx
Priority claimed from SE9501315A external-priority patent/SE9501315D0/xx
Application filed by Gambro Lundia Ab filed Critical Gambro Lundia Ab
Application granted granted Critical
Publication of ATE318929T1 publication Critical patent/ATE318929T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/58—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving urea or urease
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/021—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance before and after chemical transformation of the material
    • 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
    • G01N33/493—Physical analysis of biological material of liquid biological material urine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/171538—Urea or blood urea nitrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
AT01120674T 1994-07-29 1995-07-28 Verfahren und vorrichtung zur messung der konzentration einer substanz in einer lösung ATE318929T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402602A SE512183C2 (sv) 1994-07-29 1994-07-29 Förfarande och anordning för mätning av koncentrationen av ett ämne i en lösning
SE9402835A SE9402835D0 (sv) 1994-08-24 1994-08-24 Förfarande och anordning för separering av gas
SE9501315A SE9501315D0 (sv) 1995-04-10 1995-04-10 Ureasensor

Publications (1)

Publication Number Publication Date
ATE318929T1 true ATE318929T1 (de) 2006-03-15

Family

ID=27355758

Family Applications (2)

Application Number Title Priority Date Filing Date
AT01120674T ATE318929T1 (de) 1994-07-29 1995-07-28 Verfahren und vorrichtung zur messung der konzentration einer substanz in einer lösung
AT95926583T ATE242338T1 (de) 1994-07-29 1995-07-28 Verfahren und vorrichtung zur messung der konzentration einer substanz in einer lösung

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT95926583T ATE242338T1 (de) 1994-07-29 1995-07-28 Verfahren und vorrichtung zur messung der konzentration einer substanz in einer lösung

Country Status (10)

Country Link
US (2) US6114176A (de)
EP (2) EP0772693B1 (de)
JP (1) JP3616644B2 (de)
AT (2) ATE318929T1 (de)
AU (1) AU693233B2 (de)
BR (1) BR9508456A (de)
CA (1) CA2196161C (de)
DE (2) DE69530986T2 (de)
ES (1) ES2194916T3 (de)
WO (1) WO1996004401A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9508456A (pt) * 1994-07-29 1997-12-23 Gambro Ab Processo e dispositivo para medir a concentração de uréia ou de uma subst ncia similar em uma solução compósita
GB9600541D0 (en) 1996-01-11 1996-03-13 Cambridge Consultants Method of measuring an electrical property
SE9604370D0 (sv) 1996-11-28 1996-11-28 Gambro Ab Method and system for preventing intradialytic symptomatology
SE513034C2 (sv) 1997-06-02 2000-06-19 Gambro Lundia Ab Metod och anordning för beräkning av dialyseffektivitet
SE9803424D0 (sv) * 1998-10-07 1998-10-07 Siemens Elema Ab Förfarande för kalibrering och mätning i ett mikrodialyssystem samt ett mikrodialyssystem
JP4648513B2 (ja) * 2000-03-15 2011-03-09 関東化学株式会社 濃度検知方法及び濃度検知装置並びに薬剤の希釈調合装置
EP1311822A4 (de) * 2000-07-10 2008-12-03 Nanoalert Israel Ltd Verfahren und vorrichtung zur bestimmung der zusammensetzung von flüssigkeiten
DE10102237A1 (de) * 2001-01-19 2002-08-08 Bosch Gmbh Robert Vorrichtung zur Dosierung einer Harnstofflösung
WO2003048382A1 (en) * 2001-12-03 2003-06-12 Sievers Instruments, Inc. Sensitive detection of urea and related compounds in water
JP3820163B2 (ja) * 2002-02-22 2006-09-13 三井化学株式会社 尿素濃度測定方法および装置
JP4108681B2 (ja) * 2002-09-10 2008-06-25 三井金属鉱業株式会社 尿素濃度識別装置および尿素濃度識別方法ならびにそれを用いた自動車の排気ガスの低減装置および自動車の排気ガスの低減方法
AT412515B (de) * 2003-08-07 2005-03-25 Hoffmann La Roche Verfahren zur detektion einer gasblase in einer flüssigkeit
US7355623B2 (en) * 2004-04-30 2008-04-08 Microsoft Corporation System and process for adding high frame-rate current speaker data to a low frame-rate video using audio watermarking techniques
US9056164B2 (en) 2007-01-01 2015-06-16 Bayer Medical Care Inc. Radiopharmaceutical administration methods, fluid delivery systems and components thereof
DE102008005516B4 (de) * 2007-07-31 2018-05-03 Fresenius Medical Care Deutschland Gmbh Dialysierflüssigkeitskreislauf, Dialysegerät mit Dialysierflüssigkeitskreislauf, Verfahren zur Erkennung von Luft in einer einen Dialysierflüssigkeitskreislauf durchströmenden Dialysierflüssigkeit sowie Verwendung eines Gassensors in einem Dialysierflüssigkeitskreislauf
KR101679671B1 (ko) * 2009-10-27 2016-11-28 도병록 재생성 세포 추출 시스템
US9108047B2 (en) 2010-06-04 2015-08-18 Bayer Medical Care Inc. System and method for planning and monitoring multi-dose radiopharmaceutical usage on radiopharmaceutical injectors
ES2655994T3 (es) 2010-07-22 2018-02-22 Watlow Electric Manufacturing Company Sistema de sensores de fluidos en combinación
CN103889481B (zh) 2011-08-02 2016-03-09 美敦力公司 带有具有可控的顺应性容积的流动路径的血液透析系统
US9707330B2 (en) 2011-08-22 2017-07-18 Medtronic, Inc. Dual flow sorbent cartridge
WO2013103906A1 (en) 2012-01-04 2013-07-11 Medtronic, Inc. Multi-staged filtration system for blood fluid removal
US9700852B2 (en) 2012-08-28 2017-07-11 So Spark Ltd. System, method and capsules for producing sparkling drinks
DE102012110831A1 (de) * 2012-11-12 2014-05-15 Rehau Ag + Co Verfahren zur Herstellung eines Schlauches zum Transport von Flüssigkeit innerhalb eines Backofens
US11154648B2 (en) 2013-01-09 2021-10-26 Medtronic, Inc. Fluid circuits for sorbent cartridge with sensors
US9713666B2 (en) 2013-01-09 2017-07-25 Medtronic, Inc. Recirculating dialysate fluid circuit for blood measurement
US9707328B2 (en) 2013-01-09 2017-07-18 Medtronic, Inc. Sorbent cartridge to measure solute concentrations
US11565029B2 (en) 2013-01-09 2023-01-31 Medtronic, Inc. Sorbent cartridge with electrodes
US9623164B2 (en) 2013-02-01 2017-04-18 Medtronic, Inc. Systems and methods for multifunctional volumetric fluid control
US10850016B2 (en) 2013-02-01 2020-12-01 Medtronic, Inc. Modular fluid therapy system having jumpered flow paths and systems and methods for cleaning and disinfection
US10010663B2 (en) 2013-02-01 2018-07-03 Medtronic, Inc. Fluid circuit for delivery of renal replacement therapies
US9144640B2 (en) 2013-02-02 2015-09-29 Medtronic, Inc. Sorbent cartridge configurations for improved dialysate regeneration
US9827361B2 (en) 2013-02-02 2017-11-28 Medtronic, Inc. pH buffer measurement system for hemodialysis systems
US10052612B2 (en) 2013-11-26 2018-08-21 Medtronic, Inc. Zirconium phosphate recharging method and apparatus
US9895477B2 (en) 2013-11-26 2018-02-20 Medtronic, Inc. Detachable module for recharging sorbent materials with optional bypass
US10537875B2 (en) 2013-11-26 2020-01-21 Medtronic, Inc. Precision recharging of sorbent materials using patient and session data
US9943780B2 (en) 2013-11-26 2018-04-17 Medtronic, Inc. Module for in-line recharging of sorbent materials with optional bypass
US9884145B2 (en) 2013-11-26 2018-02-06 Medtronic, Inc. Parallel modules for in-line recharging of sorbents using alternate duty cycles
US10004839B2 (en) 2013-11-26 2018-06-26 Medtronic, Inc. Multi-use sorbent cartridge
US9382119B2 (en) 2014-01-27 2016-07-05 So Spark Ltd. Rapid high-pressure microwave thermal decomposition system, capsule and method for using same
WO2015199766A1 (en) 2014-06-24 2015-12-30 Medtronic, Inc. Modular dialysate regeneration assembly
WO2015199768A1 (en) 2014-06-24 2015-12-30 Medtronic, Inc. Stacked sorbent assembly
US10016553B2 (en) 2014-06-24 2018-07-10 Medtronic, Inc. Replenishing urease in dialysis systems using a urease introducer
WO2015199763A1 (en) 2014-06-24 2015-12-30 Medtronic, Inc. A urease introduction system for replenishing urease in a sorbent cartridge
US10124274B2 (en) 2014-06-24 2018-11-13 Medtronic, Inc. Replenishing urease in dialysis systems using urease pouches
US10286380B2 (en) 2014-06-24 2019-05-14 Medtronic, Inc. Sorbent pouch
DE102014012423A1 (de) 2014-08-20 2016-02-25 Fresenius Medical Care Deutschland Gmbh Dialysemaschine mit der Fähigkeit zur Bestimmung einer prädialytischen Eigenschaft im Blut eines Dialysepatienten
US10098993B2 (en) 2014-12-10 2018-10-16 Medtronic, Inc. Sensing and storage system for fluid balance
US9713665B2 (en) 2014-12-10 2017-07-25 Medtronic, Inc. Degassing system for dialysis
US10874787B2 (en) 2014-12-10 2020-12-29 Medtronic, Inc. Degassing system for dialysis
DE102015015624A1 (de) 2015-12-03 2017-06-08 Fresenius Medical Care Deutschland Gmbh Dialysegerät
US10981148B2 (en) 2016-11-29 2021-04-20 Medtronic, Inc. Zirconium oxide module conditioning
JP6748781B2 (ja) * 2016-12-07 2020-09-02 ラジオメーター・メディカル・アー・ペー・エス 液体試料の温度を推定するためのシステム及び方法
US11167070B2 (en) 2017-01-30 2021-11-09 Medtronic, Inc. Ganged modular recharging system
US10960381B2 (en) 2017-06-15 2021-03-30 Medtronic, Inc. Zirconium phosphate disinfection recharging and conditioning
US11278654B2 (en) 2017-12-07 2022-03-22 Medtronic, Inc. Pneumatic manifold for a dialysis system
US10391220B2 (en) * 2018-01-12 2019-08-27 Fresnius Medical Care Holdings, Inc. Virtual kidney donation
US11033667B2 (en) 2018-02-02 2021-06-15 Medtronic, Inc. Sorbent manifold for a dialysis system
US11110215B2 (en) 2018-02-23 2021-09-07 Medtronic, Inc. Degasser and vent manifolds for dialysis
US11213616B2 (en) 2018-08-24 2022-01-04 Medtronic, Inc. Recharge solution for zirconium phosphate
GB2591678B (en) * 2018-10-02 2022-11-23 Cummins Emission Solutions Inc Systems and methods for dry chemical reductant insertion in aftertreatment systems
EP4175691A1 (de) 2020-07-08 2023-05-10 Fresenius Medical Care Deutschland GmbH Parabiotische dialysesysteme und -techniken
US20220034860A1 (en) * 2020-07-29 2022-02-03 Saudi Arabian Oil Company Ion conductivity filter and measurement system
US20230201436A1 (en) * 2021-12-23 2023-06-29 Baxter International Inc. Peritoneal dialysis system having carbon dioxide injection to inhibit/remove calcium carbonate

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964868A (en) * 1974-05-24 1976-06-22 Raytheon Company Organic carbon analyzer system
US3930957A (en) * 1974-07-11 1976-01-06 Honeywell Inc. Apparatus and method for biological analysis
US3915804A (en) * 1974-07-15 1975-10-28 Corning Glass Works Apparatus and method for measuring conductivity change in a urea-urease reaction
US4311789A (en) * 1975-12-31 1982-01-19 Gambro Ag Method for sampling and measuring the content of a low-molecular weight compound in a complex fluid medium
US4069942A (en) * 1976-07-12 1978-01-24 Eyelet Specialty Co., Inc. Child-resistant pill dispenser
US4427124A (en) * 1976-07-12 1984-01-24 Eyelet Specialty Co., Inc. Child-resistant container
DE2642232C3 (de) * 1976-09-20 1980-05-14 Boehringer Mannheim Gmbh, 6800 Mannheim Verfahren und Vorrichtung zur laufenden Bestimmung der Konzentration eines Enzymsubstrates
US4465770A (en) * 1979-09-11 1984-08-14 Modrovich Ivan Endre Stabilized enzymic solutions for determining urea
NL8300782A (nl) * 1983-03-03 1984-10-01 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het bepalen van ureum in waterig milieu.
US5244811A (en) * 1987-03-02 1993-09-14 Commonwealth Scientific And Industrial Research Organization Method and system for determining organic matter in an aqueous solution
DE3900119C1 (en) * 1989-01-04 1990-08-02 Stiller, Siegfried, Dipl.-Phys., 5100 Aachen, De Apparatus for measuring the urea concentration in an extracorporeal circulation
SE9000192L (sv) * 1990-01-19 1991-07-20 Gambro Ab System respektive saett foer maetning av halten av en substans i en loesning eller dispersion av densamma, varvid substansen utgoeres av ett aemne som aer icke elektriskt ledande eller svagt elektriskt ledande
US5798271A (en) * 1990-03-02 1998-08-25 Sievers Instruments, Inc. Apparatus for the measurement of dissolved carbon in deionized water
US5132094A (en) * 1990-03-02 1992-07-21 Sievers Instruments, Inc. Method and apparatus for the determination of dissolved carbon in water
US5820823A (en) * 1990-03-02 1998-10-13 Sievers Instruments, Inc. Method and apparatus for the measurement of dissolved carbon
US5382525A (en) * 1992-11-27 1995-01-17 American Air Liquide Method of effecting increased performance of diagnostic enzyme reaction systems using noble gases
US5413763A (en) * 1993-07-12 1995-05-09 Jeffers; Jeff Method and apparatus for reagentless measurement of the total organic carbon content of an aqueous sample
BR9508456A (pt) * 1994-07-29 1997-12-23 Gambro Ab Processo e dispositivo para medir a concentração de uréia ou de uma subst ncia similar em uma solução compósita
US5698083A (en) * 1995-08-18 1997-12-16 Regents Of The University Of California Chemiresistor urea sensor

Also Published As

Publication number Publication date
DE69534809D1 (de) 2006-04-27
JP3616644B2 (ja) 2005-02-02
EP1182264A2 (de) 2002-02-27
CA2196161A1 (en) 1996-02-15
JPH10504190A (ja) 1998-04-28
EP1182264A3 (de) 2003-06-11
AU693233B2 (en) 1998-06-25
EP0772693B1 (de) 2003-06-04
ATE242338T1 (de) 2003-06-15
CA2196161C (en) 2007-12-04
WO1996004401A1 (en) 1996-02-15
DE69530986D1 (de) 2003-07-10
EP1182264B1 (de) 2006-03-01
EP0772693A1 (de) 1997-05-14
AU3090695A (en) 1996-03-04
US6114176A (en) 2000-09-05
DE69530986T2 (de) 2004-05-19
DE69534809T2 (de) 2006-08-10
US6521184B1 (en) 2003-02-18
ES2194916T3 (es) 2003-12-01
BR9508456A (pt) 1997-12-23

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