MX2021002015A - Sensores y metodos para medir el ph. - Google Patents
Sensores y metodos para medir el ph.Info
- Publication number
- MX2021002015A MX2021002015A MX2021002015A MX2021002015A MX2021002015A MX 2021002015 A MX2021002015 A MX 2021002015A MX 2021002015 A MX2021002015 A MX 2021002015A MX 2021002015 A MX2021002015 A MX 2021002015A MX 2021002015 A MX2021002015 A MX 2021002015A
- Authority
- MX
- Mexico
- Prior art keywords
- active portion
- working electrode
- measuring
- sensors
- vivo
- Prior art date
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 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
- A61B5/145—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
- A61B5/14539—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 pH
-
- 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
- A61B5/14507—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 specially adapted for measuring characteristics of body fluids other than blood
- A61B5/1451—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 specially adapted for measuring characteristics of body fluids other than blood for interstitial fluid
- A61B5/14514—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 specially adapted for measuring characteristics of body fluids other than blood for interstitial fluid using means for aiding extraction of interstitial fluid, e.g. microneedles or suction
-
- 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
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Puede ser particularmente difícil medir el pH in vivo usando sensores electroquímicos de corriente debido a la deriva del sensor y ensuciamiento de la superficie del sensor. Los sensores adecuados para medir pH, en particular in vivo, pueden comprender: una cola de sensor que comprende un primer electrodo de trabajo, un segundo electrodo de trabajo y al menos otro electrodo; una primera porción activa ubicada sobre el primer electrodo de trabajo, la primera porción activa que comprende una sustancia que tiene una química de oxidación-reducción dependiente de pH; y una segunda porción activa ubicada sobre el segundo electrodo de trabajo, la segunda porción activa que comprende una sustancia que tiene una química de oxidación-reducción que es sustancialmente invariante con el pH. Una diferencia entre una primera señal desde la primera porción activa y una segunda señal desde la segunda porción activa puede correlacionarse con un valor de pH para un fluido.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862721701P | 2018-08-23 | 2018-08-23 | |
| PCT/US2019/044860 WO2020040962A1 (en) | 2018-08-23 | 2019-08-02 | Sensors and methods for measuring ph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021002015A true MX2021002015A (es) | 2021-04-28 |
Family
ID=67667930
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021002015A MX2021002015A (es) | 2018-08-23 | 2019-08-02 | Sensores y metodos para medir el ph. |
| MX2025006151A MX2025006151A (es) | 2018-08-23 | 2021-02-19 | Sensores y metodos para medir el ph |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2025006151A MX2025006151A (es) | 2018-08-23 | 2021-02-19 | Sensores y metodos para medir el ph |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20200060592A1 (es) |
| EP (1) | EP3840647A1 (es) |
| JP (3) | JP2022503585A (es) |
| CN (2) | CN112638253B (es) |
| AU (3) | AU2019325918B2 (es) |
| CA (1) | CA3108070A1 (es) |
| MX (2) | MX2021002015A (es) |
| SG (1) | SG11202101693SA (es) |
| WO (1) | WO2020040962A1 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4157087A1 (en) | 2020-05-29 | 2023-04-05 | Abbott Diabetes Care Inc. | Analyte sensors and sensing methods for detecting inhibitors of diaphorase |
| CA3181804A1 (en) | 2020-06-10 | 2021-12-16 | Zenghe Liu | Analyte sensors featuring one or more detection-facilitating enhancements |
| WO2021257493A1 (en) | 2020-06-16 | 2021-12-23 | Abbott Diabetes Care Inc. | Analyte sensors featuring a reduced-area working electrode for decreasing interferent signal |
| AU2021293873A1 (en) | 2020-06-16 | 2023-01-19 | Abbott Diabetes Care Inc. | Analyte sensors featuring working electrode asperity planing for decreasing interferent signal |
| AU2021306975A1 (en) | 2020-07-08 | 2023-01-19 | Abbott Diabetes Care Inc. | Analyte sensors featuring enhancements for decreasing interferent signal |
| EP4267002A4 (en) | 2020-12-23 | 2025-02-26 | Abbott Diabetes Care Inc. | Analyte sensors with reduced interferent signal and methods |
| US20240027390A1 (en) | 2022-07-19 | 2024-01-25 | Abbott Diabetes Care Inc. | Analyte sensors with reduced interferent signal and methods |
| US20240324917A1 (en) | 2023-03-31 | 2024-10-03 | Abbott Diabetes Care, Inc. | Ascorbate blocking membrane |
| US20250194964A1 (en) | 2023-12-19 | 2025-06-19 | Abbott Diabetes Care, Inc. | Glucose oxidase sensors with improved stability |
| CN121313164A (zh) * | 2024-07-10 | 2026-01-13 | 华为技术有限公司 | 一种探针、探测装置和终端设备 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04278450A (ja) * | 1991-03-04 | 1992-10-05 | Adam Heller | バイオセンサー及び分析物を分析する方法 |
| US6134461A (en) | 1998-03-04 | 2000-10-17 | E. Heller & Company | Electrochemical analyte |
| US8444834B2 (en) * | 1999-11-15 | 2013-05-21 | Abbott Diabetes Care Inc. | Redox polymers for use in analyte monitoring |
| TR200401326T4 (tr) | 1999-11-15 | 2004-07-21 | Therasense, Inc. | İmidazol halkasına sahip iki dişli ligant içeren geçiş metali kompleksleri |
| US6501976B1 (en) * | 2001-06-12 | 2002-12-31 | Lifescan, Inc. | Percutaneous biological fluid sampling and analyte measurement devices and methods |
| JP4839219B2 (ja) * | 2003-10-24 | 2011-12-21 | バイエル・ヘルスケア・エルエルシー | 酵素的電気化学的バイオセンサ |
| EP1711790B1 (en) * | 2003-12-05 | 2010-09-08 | DexCom, Inc. | Calibration techniques for a continuous analyte sensor |
| US8758593B2 (en) * | 2004-01-08 | 2014-06-24 | Schlumberger Technology Corporation | Electrochemical sensor |
| ES2326286T3 (es) * | 2005-12-19 | 2009-10-06 | F. Hoffmann-La Roche Ag | Sensor tipo sandwich para determinar la concentracion de un analito. |
| US8197650B2 (en) * | 2007-06-07 | 2012-06-12 | Sensor Innovations, Inc. | Silicon electrochemical sensors |
| US8771500B2 (en) * | 2007-10-22 | 2014-07-08 | The University Of Connecticut | Glucose sensors and methods of manufacture thereof |
| US20090294307A1 (en) * | 2008-06-02 | 2009-12-03 | Zenghe Liu | Redox polymer based reference electrodes having an extended lifetime for use in long term amperometric sensors |
| GB2461555B (en) * | 2008-07-03 | 2010-08-11 | Schlumberger Holdings | Electro-chemical sensor |
| CA2741853A1 (en) * | 2008-10-31 | 2010-05-06 | Edwards Lifesciences Corporation | Analyte sensor with non-working electrode layer |
| US20100213057A1 (en) * | 2009-02-26 | 2010-08-26 | Benjamin Feldman | Self-Powered Analyte Sensor |
| US10136816B2 (en) | 2009-08-31 | 2018-11-27 | Abbott Diabetes Care Inc. | Medical devices and methods |
| EP4397242A3 (en) | 2010-12-09 | 2024-08-28 | Abbott Diabetes Care Inc. | Analyte sensors with a sensing surface having small sensing spots |
| US8758584B2 (en) * | 2010-12-16 | 2014-06-24 | Sensor Innovations, Inc. | Electrochemical sensors |
| WO2016196516A1 (en) * | 2015-06-03 | 2016-12-08 | William Kenneth Ward | Measurement of glucose in an insulin delivery catheter by minimizing the adverse effects of insulin preservatives |
| GB2539224A (en) * | 2015-06-09 | 2016-12-14 | Giuseppe Occhipinti Luigi | Method of forming a chemical sensor device and device |
| US11073490B2 (en) * | 2016-02-05 | 2021-07-27 | Sensor Health S.r.l. | Measuring device for blood and/or liquid interstitial analytes |
| WO2018067521A1 (en) * | 2016-10-03 | 2018-04-12 | Eccrine Systems, Inc. | Biosensors with ph-independent redox moieties |
-
2019
- 2019-08-02 CN CN201980055128.9A patent/CN112638253B/zh active Active
- 2019-08-02 JP JP2021510126A patent/JP2022503585A/ja active Pending
- 2019-08-02 EP EP19756066.7A patent/EP3840647A1/en active Pending
- 2019-08-02 WO PCT/US2019/044860 patent/WO2020040962A1/en not_active Ceased
- 2019-08-02 MX MX2021002015A patent/MX2021002015A/es unknown
- 2019-08-02 CA CA3108070A patent/CA3108070A1/en active Pending
- 2019-08-02 CN CN202511013425.0A patent/CN120837070A/zh active Pending
- 2019-08-02 SG SG11202101693SA patent/SG11202101693SA/en unknown
- 2019-08-02 AU AU2019325918A patent/AU2019325918B2/en active Active
- 2019-08-21 US US16/546,731 patent/US20200060592A1/en active Pending
-
2021
- 2021-02-19 MX MX2025006151A patent/MX2025006151A/es unknown
-
2022
- 2022-11-07 AU AU2022268269A patent/AU2022268269B2/en active Active
-
2023
- 2023-02-10 JP JP2023019414A patent/JP2023059915A/ja active Pending
-
2025
- 2025-01-14 AU AU2025200276A patent/AU2025200276A1/en active Pending
- 2025-01-31 JP JP2025014481A patent/JP2025066166A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN112638253A (zh) | 2021-04-09 |
| AU2019325918A1 (en) | 2021-02-25 |
| JP2023059915A (ja) | 2023-04-27 |
| AU2022268269A1 (en) | 2022-12-15 |
| AU2019325918B2 (en) | 2022-08-11 |
| AU2022268269B2 (en) | 2024-10-24 |
| AU2025200276A1 (en) | 2025-01-30 |
| US20200060592A1 (en) | 2020-02-27 |
| WO2020040962A1 (en) | 2020-02-27 |
| MX2025006151A (es) | 2025-07-01 |
| CA3108070A1 (en) | 2020-02-27 |
| SG11202101693SA (en) | 2021-03-30 |
| EP3840647A1 (en) | 2021-06-30 |
| CN112638253B (zh) | 2025-08-19 |
| JP2022503585A (ja) | 2022-01-12 |
| CN120837070A (zh) | 2025-10-28 |
| JP2025066166A (ja) | 2025-04-22 |
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