JP4334969B2 - 血液成分分析用センサ - Google Patents
血液成分分析用センサ Download PDFInfo
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- JP4334969B2 JP4334969B2 JP2003344762A JP2003344762A JP4334969B2 JP 4334969 B2 JP4334969 B2 JP 4334969B2 JP 2003344762 A JP2003344762 A JP 2003344762A JP 2003344762 A JP2003344762 A JP 2003344762A JP 4334969 B2 JP4334969 B2 JP 4334969B2
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- Prior art keywords
- sensor
- blood
- cover
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- analysis
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Classifications
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- 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase
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- 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150213—Venting means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150358—Strips for collecting blood, e.g. absorbent
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150442—Blade-like piercing elements, e.g. blades, cutters, knives, for cutting the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150969—Low-profile devices which resemble patches or plasters, e.g. also allowing collection of blood samples for testing
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- 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
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- 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
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- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
- G01N27/3272—Test elements therefor, i.e. disposable laminated substrates with electrodes, reagent and channels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0295—Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Organic Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Emergency Medicine (AREA)
- Optics & Photonics (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Genetics & Genomics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Physics & Mathematics (AREA)
- Dermatology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Description
101、501、601、701、801、901、1001 絶縁基板
102、502、602、702、802、902、1002 作用電極
103、503、603、703、803、903、1003 対電極
104、504、604、704、804、904、1004 試薬層
105 貫通孔
106 スペーサー
107 空隙
109、814、914 カバー
110、113、513、613、713、813、913 空気抜孔
111、511、611、711、811、911 ランシング部
112、512、612、712、812、912、1018 流路
114 ランセットの針
115 指
116 血液
122、123、522、523、622、623、722、723、822、823、922、923、1022、1023 リード
1000 従来の血液成分測定用センサの一例
1019 血液導入口
Claims (9)
- 基板と、スペーサーと、カバーとを含む血液成分分析用センサであって、基板の上に、スペーサーを介してカバーが配置されることにより、センサ内部に、分析部と、これに血液を導入するための流路となる空間が形成され、前記基板とスペーサーには、ランセットの針若しくは刃が貫通可能な共通の貫通孔が形成されており、前記スペーサーの貫通孔は、前記流路と連通しており、前記貫通孔の上部は、前記カバーにより覆われており、前記共通の貫通孔と、これを覆うカバー部分とでランシング部が形成されており、このセンサの使用時において、前記センサを採血箇所に配置し、前記ランシング部の前記カバーを突き破ってランシング針若しくは刃を前記共通の貫通孔を貫通させて採血箇所に突き刺し、出血した血液を、前記突き破りで生じた下方に向いたカバーのバリをガイドとして前記流路に導入し、この流路を通じて分析部に前記血液を導入するセンサ。
- 一つのランシング部に対し、複数の流路および分析部が設けられた請求項1記載のセンサ。
- 複数のランシング部が設けられ、前記各ランシング部に対し、一つ以上の流路および分析部が設けられた請求項1または2記載のセンサ。
- 前記カバーの少なくともランシング部が親水性である請求項1から3のいずれかに記載のセンサ。
- 前記カバー部分の前記流路に対応する部分に空気孔が設けられている請求項1から4のいずれかに記載のセンサ。
- 分析部に、分析対象成分の酸化還元酵素を含む試薬が配置されており、前記酸化還元酵素によって血液中の分析対象成分を酸化還元し、その酸化還元の程度を測定することにより前記分析対象成分の量を測定する請求項1から5のいずれかに記載のセンサ。
- 分析部に、さらに電極が配置され、これにより酸化還元により生じる電流を測定する請求項6記載のセンサ。
- 分析対象成分が、血液中のグルコースであり、酸化還元酵素が、グルコースオキシターゼおよびグルコースデヒドロゲナーゼの少なくとも一方である請求項6または7記載のセンサ。
- 前記試薬が、さらにメディエータを含む請求項6から8のいずれかに記載のセンサ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003344762A JP4334969B2 (ja) | 2003-10-02 | 2003-10-02 | 血液成分分析用センサ |
US10/952,702 US7785271B2 (en) | 2003-10-02 | 2004-09-28 | Sensor for blood component analysis |
US12/841,770 US20100286562A1 (en) | 2003-10-02 | 2010-07-22 | Sensor for blood component analysis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003344762A JP4334969B2 (ja) | 2003-10-02 | 2003-10-02 | 血液成分分析用センサ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005110712A JP2005110712A (ja) | 2005-04-28 |
JP2005110712A5 JP2005110712A5 (ja) | 2006-11-02 |
JP4334969B2 true JP4334969B2 (ja) | 2009-09-30 |
Family
ID=34538288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003344762A Expired - Fee Related JP4334969B2 (ja) | 2003-10-02 | 2003-10-02 | 血液成分分析用センサ |
Country Status (2)
Country | Link |
---|---|
US (2) | US7785271B2 (ja) |
JP (1) | JP4334969B2 (ja) |
Families Citing this family (79)
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KR100445489B1 (ko) * | 1999-11-15 | 2004-08-21 | 마츠시타 덴끼 산교 가부시키가이샤 | 바이오 센서, 박막 전극 형성 방법, 정량 장치, 및 정량방법 |
DE60135092D1 (de) * | 2000-01-31 | 2008-09-11 | Univ Texas | Tragbare vorrichtung mit einer sensor-array-anordnung |
US6706159B2 (en) * | 2000-03-02 | 2004-03-16 | Diabetes Diagnostics | Combined lancet and electrochemical analyte-testing apparatus |
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US8211038B2 (en) * | 2004-09-17 | 2012-07-03 | Abbott Diabetes Care Inc. | Multiple-biosensor article |
-
2003
- 2003-10-02 JP JP2003344762A patent/JP4334969B2/ja not_active Expired - Fee Related
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2004
- 2004-09-28 US US10/952,702 patent/US7785271B2/en not_active Expired - Fee Related
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US20050123443A1 (en) | 2005-06-09 |
US20100286562A1 (en) | 2010-11-11 |
JP2005110712A (ja) | 2005-04-28 |
US7785271B2 (en) | 2010-08-31 |
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