FI93398B - Analytisk testremsa - Google Patents

Analytisk testremsa Download PDF

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Publication number
FI93398B
FI93398B FI880698A FI880698A FI93398B FI 93398 B FI93398 B FI 93398B FI 880698 A FI880698 A FI 880698A FI 880698 A FI880698 A FI 880698A FI 93398 B FI93398 B FI 93398B
Authority
FI
Finland
Prior art keywords
bubble
liquid
test
absorbent layer
layer
Prior art date
Application number
FI880698A
Other languages
English (en)
Finnish (fi)
Other versions
FI880698A (sv
FI880698A0 (sv
FI93398C (sv
Inventor
John Michael Hammond
Original Assignee
Metal Box Plc
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
Priority claimed from GB878703578A external-priority patent/GB8703578D0/en
Application filed by Metal Box Plc filed Critical Metal Box Plc
Publication of FI880698A0 publication Critical patent/FI880698A0/sv
Publication of FI880698A publication Critical patent/FI880698A/sv
Publication of FI93398B publication Critical patent/FI93398B/sv
Application granted granted Critical
Publication of FI93398C publication Critical patent/FI93398C/sv

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Classifications

    • 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
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • G01N33/528—Atypical element structures, e.g. gloves, rods, tampons, toilet paper

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Cell Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biotechnology (AREA)
  • Analytical Chemistry (AREA)
  • Microbiology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Claims (4)

1. Analytisk testanordning, som omfattar ett absor-berande skikt i ett vätsketätt hölje, medel som möjliggör 5 att testsubstansen kan brlngas i kontakt med det absorbe-rande skiktet och att det absorberande skiktet kan betrak-tas för att detektera en färg- eller färgtonändring indi-kerande ett förutbestämt tillständ av testsubstansen, en deformerbar bläsa (12) som innehäller vätska och som till-10 sluts av ett vätsketätt men sönderbrytbart membran (34) och ätminstone en pinne (28) med den fria änden bredvid membranet, varvid membranet kan brytas sönder med pinnen eller pinnarna för att läta vätskan avlägsnas frän bläsan och komma i kontakt med det absorberande skiktet, k ä n-15 netecknad av att anordningen utgörs av en test-remsa med ett längsträckt skikt av ett absorberande material (40) längs vilket vätskan kan passera, varvid höljet omfattar ett övre och undre skikt (22, 42) av ett vätsketätt material som innesluter det absorberande skiktet, 20 vilket vätsketätt material bryts sönder för att föra testsubstansen i kontakt med det absorberande skiktet i ett förutbestämt läge (16) i remsans längdriktning, och varvid nämnda vätsketäta material har ett betraktningsfönster eller -omräde (20) genom vilket det absorberande skiktet 25 är synligt för detektering av en färg- eller färgtonändring indikerande ett förutbestämt tillständ av testsubstansen som förts tili nämnda förutbestämda läge och som har passerat längs det absorberande skiktet med en eller flera reagens- och/eller bärarvätskor tili nämnda betrakt-30 ningsfönster eller -omräde, varvid den deformerbara bläsan (12) avgränsas av nämnda vätsketäta material i ett läge ovanför det absorberande skiktet, och det sönderbrytbara membranet (34) avskiljer bläsan frän det absorberande skiktet, varvid betraktningsfönstret eller -omrädet (20) 35 och det förutbestämda läget (16) för införsel av testsubs- 15 93398 tans är belägna pä ett avständ frän varandra i testremsans längdriktning med nämnda betraktningsfönster eller -omräde närmast tili den ena änden av testremsan, och pinnen (28) är integrerad med bläsan och placerad i densamma, sä att 5 membranet (34) är sönderbrytbart medelst pinnen eller pin-narna vid deformation av bläsan för att tilläta reagens-och/eller bärarvätskan i bläsan avlägnas frän bläsan genom den sä formade öppningen i membranet och komma i kontakt med det absorberande skiktet.
2. Testremsa enligt patentkrav 1, k ä n n e - tecknad av att det övre och undre skiktet av oge-nomträngligt material bildar ett väsentligen vätskeogenom-trängligt hölje (22, 42) för remsan.
3. Testremsa enligt patentkrav 2, kanne-15 tecknad av att höljet är bildat av en första och andra plastskiva (22, 42) hopslutna vid kanterna, varvid bläsan och pinnen eller pinnarna är integrerade med den första plastskivan (22).
4. Testremsa enligt patentkrav 2 eller 3, k ä n -20 netecknad av att betraktningsfönstret eller -om-rädet är bildat av ett genomskinligt omräde i höljet, genom vilket det absorberande skiktet är synligt.
FI880698A 1987-02-17 1988-02-15 Analytisk testremsa FI93398C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8703578 1987-02-17
GB878703578A GB8703578D0 (en) 1987-02-17 1987-02-17 Analytical test strip
GB8727369 1987-11-23
GB8727369A GB2201241B (en) 1987-02-17 1987-11-23 Analytical test strip

Publications (4)

Publication Number Publication Date
FI880698A0 FI880698A0 (sv) 1988-02-15
FI880698A FI880698A (sv) 1988-08-18
FI93398B true FI93398B (sv) 1994-12-15
FI93398C FI93398C (sv) 1995-03-27

Family

ID=26291914

Family Applications (1)

Application Number Title Priority Date Filing Date
FI880698A FI93398C (sv) 1987-02-17 1988-02-15 Analytisk testremsa

Country Status (13)

Country Link
US (1) US4965047A (sv)
EP (1) EP0279574B1 (sv)
JP (1) JP2541609B2 (sv)
AU (1) AU600085B2 (sv)
BR (1) BR8800577A (sv)
CA (1) CA1318580C (sv)
DE (1) DE3873787T2 (sv)
DK (1) DK169264B1 (sv)
ES (1) ES2034186T3 (sv)
FI (1) FI93398C (sv)
GR (1) GR3006064T3 (sv)
IE (1) IE60188B1 (sv)
NO (1) NO172707C (sv)

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Also Published As

Publication number Publication date
EP0279574A1 (en) 1988-08-24
BR8800577A (pt) 1988-09-27
DK79588D0 (da) 1988-02-16
JPS63223559A (ja) 1988-09-19
CA1318580C (en) 1993-06-01
JP2541609B2 (ja) 1996-10-09
NO172707C (no) 1993-08-25
FI880698A (sv) 1988-08-18
DK79588A (da) 1988-08-18
NO880665D0 (no) 1988-02-16
ES2034186T3 (es) 1993-04-01
DE3873787T2 (de) 1993-01-21
DK169264B1 (da) 1994-09-26
GR3006064T3 (sv) 1993-06-21
NO880665L (no) 1988-08-18
FI880698A0 (sv) 1988-02-15
IE60188B1 (en) 1994-06-15
DE3873787D1 (de) 1992-09-24
EP0279574B1 (en) 1992-08-19
AU600085B2 (en) 1990-08-02
FI93398C (sv) 1995-03-27
US4965047A (en) 1990-10-23
AU1145888A (en) 1988-08-18
NO172707B (no) 1993-05-18

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Owner name: CARNAUDMETALBOX PLC

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Owner name: CARNAUDMETALBOX PLC