CA3244172A1 - Glucose diffusion layer for continuous blood glucose-measuring biosensor - Google Patents

Glucose diffusion layer for continuous blood glucose-measuring biosensor

Info

Publication number
CA3244172A1
CA3244172A1 CA3244172A CA3244172A CA3244172A1 CA 3244172 A1 CA3244172 A1 CA 3244172A1 CA 3244172 A CA3244172 A CA 3244172A CA 3244172 A CA3244172 A CA 3244172A CA 3244172 A1 CA3244172 A1 CA 3244172A1
Authority
CA
Canada
Prior art keywords
glucose
control layer
diffusion control
measurement method
biosensor
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.)
Pending
Application number
CA3244172A
Other languages
English (en)
French (fr)
Inventor
Jaewook BAEK
Gyeongwan YU
Geunhoe KIM
Indon OH
Original Assignee
SD Biosensor Inc
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
Application filed by SD Biosensor Inc filed Critical SD Biosensor Inc
Publication of CA3244172A1 publication Critical patent/CA3244172A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/06—Polyurethanes from polyesters
    • 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
    • A61B5/14532—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
    • 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
    • A61B5/1486—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 using enzyme electrodes, e.g. with immobilised oxidase
    • 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
    • A61B5/1486—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 using enzyme electrodes, e.g. with immobilised oxidase
    • A61B5/14865—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 using enzyme electrodes, e.g. with immobilised oxidase invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • 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
    • C12Q1/001—Enzyme electrodes
    • C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
    • C12Q1/006—Enzyme electrodes involving specific analytes or enzymes for glucose
    • 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
    • G01N33/50—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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Organic Chemistry (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Immunology (AREA)
  • Hematology (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Polymers & Plastics (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Urology & Nephrology (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Cell Biology (AREA)
  • Diabetes (AREA)
  • Food Science & Technology (AREA)
  • General Physics & Mathematics (AREA)
CA3244172A 2022-02-16 2023-02-01 Glucose diffusion layer for continuous blood glucose-measuring biosensor Pending CA3244172A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2022-0020018 2022-02-16
KR1020220020018A KR102389269B1 (ko) 2022-02-16 2022-02-16 연속혈당측정 바이오센서용 글루코즈 확산 제어막 용액, 이를 포함하는 연속혈당측정 바이오센서용 글루코즈 확산 제어막 및 이를 포함하는 연속혈당측정용 바이오센서
PCT/KR2023/001456 WO2023158134A1 (ko) 2022-02-16 2023-02-01 연속혈당측정 바이오센서용 글루코즈 확산 제어막 용액, 이를 포함하는 연속혈당측정 바이오센서용 글루코즈 확산 제어막 및 이를 포함하는 연속혈당측정용 바이오센서

Publications (1)

Publication Number Publication Date
CA3244172A1 true CA3244172A1 (en) 2025-01-17

Family

ID=81437248

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3244172A Pending CA3244172A1 (en) 2022-02-16 2023-02-01 Glucose diffusion layer for continuous blood glucose-measuring biosensor

Country Status (7)

Country Link
US (1) US20250152049A1 (cg-RX-API-DMAC7.html)
EP (1) EP4481002A4 (cg-RX-API-DMAC7.html)
JP (1) JP7753563B2 (cg-RX-API-DMAC7.html)
KR (1) KR102389269B1 (cg-RX-API-DMAC7.html)
CN (1) CN119365540A (cg-RX-API-DMAC7.html)
CA (1) CA3244172A1 (cg-RX-API-DMAC7.html)
WO (1) WO2023158134A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102389269B1 (ko) * 2022-02-16 2022-04-21 네메시스 주식회사 연속혈당측정 바이오센서용 글루코즈 확산 제어막 용액, 이를 포함하는 연속혈당측정 바이오센서용 글루코즈 확산 제어막 및 이를 포함하는 연속혈당측정용 바이오센서
KR102790925B1 (ko) 2022-11-02 2025-04-07 재단법인 대구경북첨단의료산업진흥재단 향상된 젖음성을 가지는 적층체, 이를 포함하는 액체 시료 분석용 디바이스 및 이를 이용한 액체 시료 분석방법
EP4648680A2 (en) 2023-01-13 2025-11-19 Abbott Diabetes Care Inc. Biosensors with hydrophilic polyurethane membranes

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US5670097A (en) * 1994-12-08 1997-09-23 Minnesota Mining And Manufacturing Company Method of making blood gas sensors overcoats using permeable polymeric compositions
JP2003089749A (ja) * 2001-09-18 2003-03-28 Kanegafuchi Chem Ind Co Ltd 難燃性ポリカーボネート樹脂組成物
US7761130B2 (en) * 2003-07-25 2010-07-20 Dexcom, Inc. Dual electrode system for a continuous analyte sensor
CN101018599A (zh) * 2004-08-16 2007-08-15 诺和诺德公司 用于生物传感器的多相生物相容性半透膜
US8512731B2 (en) * 2007-11-13 2013-08-20 Medtronic Minimed, Inc. Antimicrobial coatings for medical devices and methods for making and using them
JP2010001442A (ja) * 2008-06-23 2010-01-07 Toyota Boshoku Corp 熱可塑性樹脂組成物及びその製造方法並びに成形体
SI2697388T1 (sl) * 2011-03-28 2015-07-31 F. Hoffmann-La Roche Ag Izboljšan difuzijski sloj za encimski in-vivo senzor
RU2611038C2 (ru) * 2012-03-27 2017-02-20 Ф.Хоффманн-Ля Рош Аг Улучшенная спейсерная мембрана для ферментного датчика in vivo
WO2017117468A1 (en) * 2015-12-30 2017-07-06 Dexcom, Inc. Enzyme immobilized adhesive layer for analyte sensors
JP6895455B2 (ja) * 2016-01-04 2021-06-30 ジュロックス ピーティーワイ リミテッドＪｕｒｏｘ Ｐｔｙ Ｌｔｄ 薬剤放出デバイス及び使用
AU2018209930B2 (en) * 2017-01-19 2020-04-30 Dexcom, Inc. Flexible analyte sensors
JP7402391B2 (ja) * 2018-03-20 2023-12-21 グラフウェア テクノロジーズ インコーポレイテッド 交換可能センサシステムおよび方法
EP3858913A4 (en) * 2018-09-27 2022-06-15 i-Sens, Inc. POLYMER COMPOUND FOR CONTROL OF BLOOD SUGAR FLOW AND BIOSENSOR FOR CONTINUOUS BLOOD SUGAR MONITORING WITH IT
JP7349255B2 (ja) * 2019-04-08 2023-09-22 コベストロ、ドイチュラント、アクチエンゲゼルシャフト 熱可塑性ポリウレタン樹脂組成物及び成形体
KR102977405B1 (ko) * 2019-10-10 2026-06-16 주식회사 아이센스 바이오센서용 다기능성 고분자 코팅막 조성물 및 이를 포함하는 바이오센서
IL312063A (en) * 2021-10-12 2024-06-01 Taris Biomedical Llc Ardafitinib formulations and systems for intravesical administration
KR102389269B1 (ko) * 2022-02-16 2022-04-21 네메시스 주식회사 연속혈당측정 바이오센서용 글루코즈 확산 제어막 용액, 이를 포함하는 연속혈당측정 바이오센서용 글루코즈 확산 제어막 및 이를 포함하는 연속혈당측정용 바이오센서

Also Published As

Publication number Publication date
WO2023158134A1 (ko) 2023-08-24
JP2025508751A (ja) 2025-04-10
KR102389269B1 (ko) 2022-04-21
US20250152049A1 (en) 2025-05-15
EP4481002A4 (en) 2026-01-07
EP4481002A1 (en) 2024-12-25
CN119365540A (zh) 2025-01-24
JP7753563B2 (ja) 2025-10-14

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