JP2008506942A - 生体内または生体外において生体組織の二酸化炭素分圧を測定するための電気化学センサ - Google Patents
生体内または生体外において生体組織の二酸化炭素分圧を測定するための電気化学センサ Download PDFInfo
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- JP2008506942A JP2008506942A JP2007520901A JP2007520901A JP2008506942A JP 2008506942 A JP2008506942 A JP 2008506942A JP 2007520901 A JP2007520901 A JP 2007520901A JP 2007520901 A JP2007520901 A JP 2007520901A JP 2008506942 A JP2008506942 A JP 2008506942A
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Classifications
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- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring blood gases
-
- 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
- A61B5/1473—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
-
- 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
- A61B5/1473—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
- A61B5/14735—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter comprising an immobilised reagent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
- Optics & Photonics (AREA)
- Ecology (AREA)
- Immunology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Urology & Nephrology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Gsolution=θH+[H+]GH++θOH−[OH−]GOH−+θHCO−3[HCO3 −]GHCO3−
上式で、θH−、θOH−、およびθHCO3−は、3つのイオン種の活量係数である。
縦軸を有するセンサ本体と、
センサ本体の縦軸を横断する方向において間隔をおいて位置する少なくとも2つの電極と、
センサ本体の軸から外方に延び、隣接支持部材間において、電極間の流体経路を提供する少なくとも1つの液体チャネルを画成する複数の支持部材と、
支持部材によって支持され、かつ液体チャネルの外壁を提供する気体透過性膜とを備える。
Claims (2)
- pCO2測定用の生理学的感知装置であって、
二酸化炭素が透過可能な膜によって少なくとも一部を画成された閉鎖室と、当該閉鎖室内の少なくとも二つの電極とを備え、
前記閉鎖室が、前記電極及び膜に接触する液体であって電解質を実質的に含有しない液体を収容し、当該液体が非−イオン性賦形剤を含有する装置。 - 前記非−イオン性賦形剤がプロピレングリコールである、請求項1に記載の生理学的感知装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0416004.0 | 2004-07-16 | ||
GBGB0416004.0A GB0416004D0 (en) | 2003-10-20 | 2004-07-16 | Sensor |
PCT/GB2005/002820 WO2006008505A1 (en) | 2004-07-16 | 2005-07-18 | Electrochemical sensor for in-vivo or ex-vivio measurements of the carbon dioxide partial pressure of living tissue |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008506942A true JP2008506942A (ja) | 2008-03-06 |
JP5080251B2 JP5080251B2 (ja) | 2012-11-21 |
Family
ID=35115975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007520901A Active JP5080251B2 (ja) | 2004-07-16 | 2005-07-18 | 生体内または生体外において生体組織の二酸化炭素分圧を測定するための電気化学センサ |
Country Status (14)
Country | Link |
---|---|
US (1) | US7826880B2 (ja) |
EP (1) | EP1774324B1 (ja) |
JP (1) | JP5080251B2 (ja) |
KR (1) | KR101223079B1 (ja) |
CN (1) | CN101023352B (ja) |
AU (1) | AU2005263951C1 (ja) |
BR (1) | BRPI0513428B8 (ja) |
CA (1) | CA2573710C (ja) |
DK (1) | DK1774324T3 (ja) |
ES (1) | ES2415032T3 (ja) |
MX (1) | MX2007000460A (ja) |
NO (1) | NO338473B1 (ja) |
RU (1) | RU2380029C2 (ja) |
WO (1) | WO2006008505A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012513015A (ja) * | 2008-12-22 | 2012-06-07 | ラジオメーター・メディカル・アー・ペー・エス | 平面センサー |
JP2014531028A (ja) * | 2011-10-21 | 2014-11-20 | ウニヴェルシテット・ヴァルシャフスキーUniwersytet Warszawski | 高反応性粉末及び液体サンプルの電気的測定のためのセル及び方法 |
JP2022521340A (ja) * | 2019-02-21 | 2022-04-06 | センソキュア・アーエス | センサ |
Families Citing this family (16)
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US20190357827A1 (en) | 2003-08-01 | 2019-11-28 | Dexcom, Inc. | Analyte sensor |
US8774886B2 (en) | 2006-10-04 | 2014-07-08 | Dexcom, Inc. | Analyte sensor |
US8364231B2 (en) | 2006-10-04 | 2013-01-29 | Dexcom, Inc. | Analyte sensor |
US8002956B1 (en) * | 2008-02-28 | 2011-08-23 | The United States Of America As Represented By The Secretary Of The Army | Plating stand-off |
US20100169035A1 (en) | 2008-12-29 | 2010-07-01 | Medtronic Minimed, Inc. | Methods and systems for observing sensor parameters |
US9848809B2 (en) | 2011-04-15 | 2017-12-26 | Dexcom, Inc. | Advanced analyte sensor calibration and error detection |
EP2713877B1 (de) | 2011-05-23 | 2019-07-31 | Roche Diabetes Care GmbH | Sensorvorrichtung zum nachweis eines analyten |
EP4218571A1 (en) | 2012-03-16 | 2023-08-02 | Dexcom, Inc. | Systems and methods for processing analyte sensor data |
EP2994185B1 (en) | 2013-05-07 | 2017-10-18 | St. Jude Medical Atrial Fibrillation Division Inc. | Guiding medical devices and associated methods of manufacturing |
JP6639860B2 (ja) * | 2015-10-09 | 2020-02-05 | 日本光電工業株式会社 | 生体情報処理システム |
WO2018209019A1 (en) * | 2017-05-11 | 2018-11-15 | Arch Chemicals, Inc. | Floating pool sanitizer with locking device |
US11331022B2 (en) | 2017-10-24 | 2022-05-17 | Dexcom, Inc. | Pre-connected analyte sensors |
CN209606445U (zh) | 2017-10-24 | 2019-11-08 | 德克斯康公司 | 预连接分析物传感器 |
CA3154419A1 (en) * | 2019-10-15 | 2021-04-22 | Irvin T. Pierskalla | Carbon dioxide sensor |
US12115001B2 (en) | 2019-10-15 | 2024-10-15 | Exostat Medical, Inc. | Tissue perfusion sensor and placement device |
GB202003198D0 (en) | 2020-03-05 | 2020-04-22 | Sensocure As | Membrane sealing for physiological sensor |
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JPS6389142A (ja) * | 1986-10-01 | 1988-04-20 | 住友電気工業株式会社 | 炭酸ガス測定電極用電解液 |
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JP2002131266A (ja) * | 2000-10-26 | 2002-05-09 | Kooken Medical Kk | 経皮ガス分圧測定センサ用スペーサー |
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JPS5858457A (ja) | 1981-09-30 | 1983-04-07 | Shimadzu Corp | 溶液導電率型ガス濃度測定用電極 |
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JP2012513015A (ja) * | 2008-12-22 | 2012-06-07 | ラジオメーター・メディカル・アー・ペー・エス | 平面センサー |
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JP7488828B2 (ja) | 2019-02-21 | 2024-05-22 | センソキュア・アーエス | センサ |
Also Published As
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AU2005263951B2 (en) | 2011-04-14 |
BRPI0513428A (pt) | 2008-05-06 |
BRPI0513428B1 (pt) | 2019-10-22 |
AU2005263951A1 (en) | 2006-01-26 |
RU2380029C2 (ru) | 2010-01-27 |
MX2007000460A (es) | 2007-06-11 |
US7826880B2 (en) | 2010-11-02 |
EP1774324A1 (en) | 2007-04-18 |
JP5080251B2 (ja) | 2012-11-21 |
US20080011615A1 (en) | 2008-01-17 |
KR20070061797A (ko) | 2007-06-14 |
CN101023352B (zh) | 2012-07-18 |
BRPI0513428B8 (pt) | 2021-07-27 |
AU2005263951C1 (en) | 2011-08-04 |
NO338473B1 (no) | 2016-08-22 |
DK1774324T3 (da) | 2013-05-27 |
EP1774324B1 (en) | 2013-02-27 |
CA2573710C (en) | 2013-11-26 |
RU2007101044A (ru) | 2008-08-27 |
ES2415032T3 (es) | 2013-07-23 |
NO20070847L (no) | 2007-04-13 |
KR101223079B1 (ko) | 2013-01-18 |
WO2006008505A1 (en) | 2006-01-26 |
CA2573710A1 (en) | 2006-01-26 |
CN101023352A (zh) | 2007-08-22 |
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