CA3095821C - Sensor - Google Patents
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- CA3095821C CA3095821C CA3095821A CA3095821A CA3095821C CA 3095821 C CA3095821 C CA 3095821C CA 3095821 A CA3095821 A CA 3095821A CA 3095821 A CA3095821 A CA 3095821A CA 3095821 C CA3095821 C CA 3095821C
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- CA
- Canada
- Prior art keywords
- sensor
- barrier layer
- ros
- sensing region
- membrane
- Prior art date
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Classifications
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
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- 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
- A61B5/14532—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 glucose, e.g. by tissue impedance measurement
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- 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
- A61B5/1455—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 optical sensors, e.g. spectral photometrical oximeters
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- 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
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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- G01N33/536—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
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- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
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- G01N33/54366—Apparatus specially adapted for solid-phase testing
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- G01N33/84—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving inorganic compounds or pH
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- 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
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- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
- Y10T436/142222—Hetero-O [e.g., ascorbic acid, etc.]
- Y10T436/143333—Saccharide [e.g., DNA, etc.]
- Y10T436/144444—Glucose
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- 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
- Y10T436/20—Oxygen containing
- Y10T436/206664—Ozone or peroxide
-
- 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
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- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
- Y10T436/255—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction
Landscapes
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- Hematology (AREA)
- Urology & Nephrology (AREA)
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- Analytical Chemistry (AREA)
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- Optics & Photonics (AREA)
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- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
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- Diabetes (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
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| EP2825095A2 (en) * | 2012-03-15 | 2015-01-21 | Lightship Medical Limited | Sensor for detecting the amount of analyte in a sample |
| US9017622B2 (en) * | 2012-04-10 | 2015-04-28 | Lightship Medical Limited | Calibrator for a sensor |
| US11109779B2 (en) | 2012-12-28 | 2021-09-07 | Senseonics, Incorporated | Chemical modification of analyte permeable membrane for enhanced oxidative stability |
| CN105628756B (zh) * | 2015-12-30 | 2018-09-21 | 南京工业大学 | 一种血液同步分离与传感膜的制备方法 |
| CA3125276A1 (en) | 2018-12-28 | 2020-07-02 | Dexcom, Inc. | Analyte sensor break-in mitigation |
| CN110346341A (zh) * | 2019-08-08 | 2019-10-18 | 生态环境部华南环境科学研究所 | 一种活性氧含量自动检测系统 |
| US12186076B2 (en) | 2021-02-09 | 2025-01-07 | Medtronic, Inc. | Optical based glucose sensor |
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| US6387672B1 (en) | 2000-12-04 | 2002-05-14 | Beckman Coulter, Inc. | Photo-induced electron transfer fluorescent sensor molecules |
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| WO2004007756A1 (en) | 2002-07-12 | 2004-01-22 | Novo Nordisk A/S | Minimising calibration problems of in vivo glucose sensors |
| WO2007120442A2 (en) * | 2003-07-25 | 2007-10-25 | Dexcom, Inc. | Dual electrode system for a continuous analyte sensor |
| US7699964B2 (en) | 2004-02-09 | 2010-04-20 | Abbott Diabetes Care Inc. | Membrane suitable for use in an analyte sensor, analyte sensor, and associated method |
| US8165651B2 (en) | 2004-02-09 | 2012-04-24 | Abbott Diabetes Care Inc. | Analyte sensor, and associated system and method employing a catalytic agent |
| JP2005315871A (ja) * | 2004-03-31 | 2005-11-10 | Terumo Corp | 体内物質測定用構成物、体内物質測定用構成物の製造方法、および埋込型物質センサー |
| US7450980B2 (en) | 2004-03-31 | 2008-11-11 | Terumo Kabushiki Kaisha | Intracorporeal substance measuring assembly |
| US8541146B2 (en) * | 2005-01-12 | 2013-09-24 | Toyota Motor Engineering & Manufacturing North America, Inc. | Photocatalytic methods for preparation of electrocatalyst materials |
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| US20070154466A1 (en) | 2005-12-30 | 2007-07-05 | Jan Weber | Internal medical devices containing peroxide-converting catalysts |
| CA2670457C (en) | 2006-11-30 | 2016-08-09 | Sensors For Medicine And Science, Inc. | Oxidation resistant indicator molecules |
| DK2989975T3 (en) | 2007-02-06 | 2018-09-24 | Medtronic Minimed Inc | OPTICAL SYSTEMS AND PROCEDURES FOR RATIOMETRIC MEASUREMENT OF BLOOD GLUCOSE CONCENTRATION |
| JP5517919B2 (ja) | 2007-05-10 | 2014-06-11 | グルメトリクス、 インク． | 即時血管内グルコース測定のための平衡非消費蛍光センサー |
| GB0715590D0 (en) | 2007-08-09 | 2007-09-19 | Glysure Ltd | Sensing apparatus |
| JP5631215B2 (ja) | 2007-11-21 | 2014-11-26 | メドトロニック ミニメド インコーポレイテッド | 血糖管理維持システム |
| GB0906318D0 (en) | 2009-04-09 | 2009-05-20 | Glysure Ltd | Fluorophore and fluorescent sensor compound containing same |
| US20100298674A1 (en) | 2009-04-21 | 2010-11-25 | Sensors For Medicine & Science, Inc. | Protective shell for an in vivo sensor made from resorbable polymer |
| US20120034550A1 (en) * | 2009-04-21 | 2012-02-09 | Washington University In St. Louis | Palladium-Platinum Nanostructures And Methods For Their Preparation |
| US9130074B2 (en) | 2009-04-21 | 2015-09-08 | Tetrasun, Inc. | High-efficiency solar cell structures and methods of manufacture |
| DK2534470T3 (en) * | 2010-02-08 | 2016-12-05 | Medtronic Minimed Inc | Antioxidant protection of a chemical sensor |
| EP2537034B1 (en) * | 2010-02-16 | 2019-01-02 | Lightship Medical Limited | Barrier layer for glucose sensor |
| US20130059394A1 (en) | 2010-02-19 | 2013-03-07 | Barry Colin Crane | Indicator system for fibre optic sensor |
| US8473222B2 (en) | 2010-03-11 | 2013-06-25 | Glumetrics, Inc. | Measurement devices and methods for measuring analyte concentration incorporating temperature and pH correction |
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| US20170010274A1 (en) | 2017-01-12 |
| IN2014DN07535A (enExample) | 2015-04-24 |
| US8940542B2 (en) | 2015-01-27 |
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| EEER | Examination request |
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| EEER | Examination request |
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| EEER | Examination request |
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| EEER | Examination request |
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