CA2310762A1 - Capillary active test element having an intermediate layer situated between the support and the covering - Google Patents

Capillary active test element having an intermediate layer situated between the support and the covering Download PDF

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Publication number
CA2310762A1
CA2310762A1 CA002310762A CA2310762A CA2310762A1 CA 2310762 A1 CA2310762 A1 CA 2310762A1 CA 002310762 A CA002310762 A CA 002310762A CA 2310762 A CA2310762 A CA 2310762A CA 2310762 A1 CA2310762 A1 CA 2310762A1
Authority
CA
Canada
Prior art keywords
covering
edge
test sample
intermediate layer
canal
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.)
Granted
Application number
CA002310762A
Other languages
French (fr)
Other versions
CA2310762C (en
Inventor
Volker Zimmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roche Diagnostics GmbH
Original Assignee
Roche Diagnostics Gmbh
Volker Zimmer
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 Roche Diagnostics Gmbh, Volker Zimmer filed Critical Roche Diagnostics Gmbh
Publication of CA2310762A1 publication Critical patent/CA2310762A1/en
Application granted granted Critical
Publication of CA2310762C publication Critical patent/CA2310762C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • G01N33/54386—Analytical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5023—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures with a sample being transported to, and subsequently stored in an absorbent for analysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details
    • B01L2200/027—Fluid interfacing between devices or objects, e.g. connectors, inlet details for microfluidic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0809—Geometry, shape and general structure rectangular shaped
    • B01L2300/0825—Test strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0887—Laminated structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
    • B01L2400/0406—Moving fluids with specific forces or mechanical means specific forces capillary forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
    • G01N2035/00099—Characterised by type of test elements
    • G01N2035/00108—Test strips, e.g. paper
    • 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
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • 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
    • Y10T436/25—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

Abstract

The invention relates to a device for collecting samples of liquid test samples for analytic elements in which the test sample is transported from a sampling location to the determination location via a capillary active canal. The capillary active canal is essentially produced by a carrier, a covering and an optional intermediate layer which lies between the covering and the support, whereby a recess is located in an area, said area constructing the canal which permits capillary liquid transport, on the edge of the analytic test element, said edge constructing the test sample feeding opening, such that the edge of the test element, said edge constructing the test sample feeding opening, is at least partially discontinuous on one side, and the area opposite the recess is open. The invention also relates to a method for accommodating a liquid test sample in an analytic element with the assistance of the inventive device.
CA002310762A 1997-12-04 1998-12-03 Capillary active test element having an intermediate layer situated between the support and the covering Expired - Lifetime CA2310762C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19753850.9 1997-12-04
DE19753850A DE19753850A1 (en) 1997-12-04 1997-12-04 Sampling device
PCT/EP1998/007854 WO1999029428A1 (en) 1997-12-04 1998-12-03 Capillary active test element having an intermediate layer situated between the support and the covering

Publications (2)

Publication Number Publication Date
CA2310762A1 true CA2310762A1 (en) 1999-06-17
CA2310762C CA2310762C (en) 2007-02-13

Family

ID=7850758

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002310762A Expired - Lifetime CA2310762C (en) 1997-12-04 1998-12-03 Capillary active test element having an intermediate layer situated between the support and the covering

Country Status (15)

Country Link
US (2) US7238534B1 (en)
EP (1) EP1035920B1 (en)
JP (1) JP3418173B2 (en)
KR (1) KR20010032723A (en)
CN (1) CN1115198C (en)
AT (1) ATE220953T1 (en)
AU (1) AU742823B2 (en)
CA (1) CA2310762C (en)
DE (2) DE19753850A1 (en)
ES (1) ES2180229T3 (en)
HK (1) HK1035875A1 (en)
HU (1) HUP0004513A3 (en)
PL (1) PL340913A1 (en)
TW (1) TW396273B (en)
WO (1) WO1999029428A1 (en)

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HK1035875A1 (en) 2001-12-14
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EP1035920A1 (en) 2000-09-20
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US7799578B2 (en) 2010-09-21
US7238534B1 (en) 2007-07-03
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HUP0004513A3 (en) 2001-05-28
PL340913A1 (en) 2001-03-12
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WO1999029428A1 (en) 1999-06-17
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US20070266803A1 (en) 2007-11-22
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AU2157699A (en) 1999-06-28
JP3418173B2 (en) 2003-06-16

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