WO2000034775A1 - Dispositif jetable pour le prelevement d'un liquide biologique ou mineral avec detection et/ou dosage d'un parametre bien defini - Google Patents
Dispositif jetable pour le prelevement d'un liquide biologique ou mineral avec detection et/ou dosage d'un parametre bien defini Download PDFInfo
- Publication number
- WO2000034775A1 WO2000034775A1 PCT/FR1998/002665 FR9802665W WO0034775A1 WO 2000034775 A1 WO2000034775 A1 WO 2000034775A1 FR 9802665 W FR9802665 W FR 9802665W WO 0034775 A1 WO0034775 A1 WO 0034775A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reservoir
- filter
- developer
- needle
- biological
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- A61B5/15003—Source of blood for venous or arterial blood
-
- 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
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150061—Means for enhancing collection
- A61B5/150099—Means for enhancing collection by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
-
- 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
-
- 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
- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
-
- 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
- A61B5/150503—Single-ended needles
-
- 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
- A61B5/150755—Blood sample preparation for further analysis, e.g. by separating blood components or by mixing
-
- 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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
-
- 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
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
-
- 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
Definitions
- the invention relates to a disposable device, of the needle and reservoir type, for the removal of biological or mineral liquid, intended to detect and / or to measure a well defined biological or mineral parameter, in particular blood sugar, at by means of a colorimetric, chromogenic or any other type of developer.
- the known devices intended for withdrawing biological or mineral liquid are essentially of the following types:
- - plunger needle or syringe used for sampling or as a biological fluid sampling chamber by puncturing a vein or artery, the detection or dosing of a well-defined parameter being carried out in a second step by means another device;
- the depositor has designed and produced a disposable, autonomous device, usable by all, of simple design, taking a few drops of biological fluid from a subcutaneous venule, for detection or dosage in a single operation, extemp ⁇ random, in situ.
- the device according to the invention is essentially characterized in that the reservoir, which is made of flexible material, is of the type capable of withdrawing, by releasing the bidigital pressure exerted on its wall, the necessary volume of liquid; in that the developer is placed inside said reservoir and in that the withdrawal of said liquid, the detection of the desired parameter and / or its dosage, are made extemporaneously, in a single operation, inside said reservoir .
- the device comprises:
- a filter suitable for retain certain components and allow others to pass;
- FIG. single is a view in longitudinal section of the device according to the invention.
- the device shown comprises a needle (1) and a reservoir (2), made of flexible material, capable of taking, by releasing the bidigital pressure exerted on its wall, the necessary volume of biological or mineral liquid.
- the developer is placed inside said tank and the removal of said liquid, the detection of the desired parameter and / or its dosage, are carried out, extemporaneously, in a single operation, in situ, inside said tank.
- the device comprises:
- a filter fixed, capable of retaining certain components and letting others pass;
- a fixed filter (F2) which separates the interior of said reservoir into two cavities (A) and (B) which may contain, for the first, at least one reagent and, for the second , a developer.
- the filter (F2) filters, from the cavity (A) towards the cavity (B), the product of the reaction of the component (s) filtered by the filter (FI) with the reagent (s).
- the developer and the reagents are in a form chosen in particular from the following forms: liquid, lyophilized or grafted to the elements delimiting each cavity (filters and internal walls of the reservoir).
- the filter retains the red blood cells and lets pass the serum or the plasma
- the reagent chosen in particular from enzymes, co-enzymes and buffers, is glucose oxidase and the developer of quinone-imine.
- a graduated scale can be associated with the developer to determine the dosage of the parameter sought.
- the needle used is a needle of the acupuncture needle type provided with a canaliculus and the associated reservoir is a micro-reservoir, of flexible material, provided with a base (3) for fixing said needle.
- Said base also serves as a means of gripping the needle and reservoir assembly.
- the reservoir can collect the equivalent of 3 to A drops of liquid for each use, ie approximately 0.1 milliliter.
- the filter (FI) is placed directly at the needle outlet at the inlet of the reservoir (absence of sampling chamber).
- the passage through the filter (F2) is done by placing the cavity (B) down.
- the tank is initially empty of any liquid.
- the arrangements inside the tank body allow:
- the reservoir can only have the filter (FI) and contain the reagents and the developer in different forms and on different parts of the cavity.
- FI filter
- the filters (FI) and (F2) deformable and flexible, are fixed to the internal walls of the tank without requiring a particular position relative to the axis of symmetry of the device. Filters and reagents are commercially available types for performing the corresponding operations.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Dermatology (AREA)
- Chemical & Material Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pain & Pain Management (AREA)
- Hydrology & Water Resources (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98958987A EP1051617B1 (fr) | 1998-12-08 | 1998-12-08 | Dispositif jetable pour le prelevement d'un liquide biologique ou mineral avec detection et/ou dosage d'un parametre bien defini |
DE69823065T DE69823065D1 (de) | 1998-12-08 | 1998-12-08 | Einmalvorrichtung zur aufnahme einer biologischen oder mineralischen flüssigkeit mit analyse mit detektion und dosierung eines definierten parameters |
PCT/FR1998/002665 WO2000034775A1 (fr) | 1998-12-08 | 1998-12-08 | Dispositif jetable pour le prelevement d'un liquide biologique ou mineral avec detection et/ou dosage d'un parametre bien defini |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR1998/002665 WO2000034775A1 (fr) | 1998-12-08 | 1998-12-08 | Dispositif jetable pour le prelevement d'un liquide biologique ou mineral avec detection et/ou dosage d'un parametre bien defini |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000034775A1 true WO2000034775A1 (fr) | 2000-06-15 |
Family
ID=9523669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/002665 WO2000034775A1 (fr) | 1998-12-08 | 1998-12-08 | Dispositif jetable pour le prelevement d'un liquide biologique ou mineral avec detection et/ou dosage d'un parametre bien defini |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1051617B1 (fr) |
DE (1) | DE69823065D1 (fr) |
WO (1) | WO2000034775A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002065115A2 (fr) * | 2001-02-13 | 2002-08-22 | Universiteit Gent | Dispositif et procede pour detecter la presence d'un analyte |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3640388A (en) * | 1970-08-20 | 1972-02-08 | Damon Corp | Dialyzing liquid-collecting container |
US5024238A (en) * | 1989-01-10 | 1991-06-18 | Cancer Diagnostics, Inc. | Blood withdrawing apparatus and antigen testing method |
US5301685A (en) * | 1989-01-10 | 1994-04-12 | Guirguis Raouf A | Method and apparatus for obtaining a cytology monolayer |
-
1998
- 1998-12-08 EP EP98958987A patent/EP1051617B1/fr not_active Expired - Lifetime
- 1998-12-08 WO PCT/FR1998/002665 patent/WO2000034775A1/fr active IP Right Grant
- 1998-12-08 DE DE69823065T patent/DE69823065D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3640388A (en) * | 1970-08-20 | 1972-02-08 | Damon Corp | Dialyzing liquid-collecting container |
US5024238A (en) * | 1989-01-10 | 1991-06-18 | Cancer Diagnostics, Inc. | Blood withdrawing apparatus and antigen testing method |
US5301685A (en) * | 1989-01-10 | 1994-04-12 | Guirguis Raouf A | Method and apparatus for obtaining a cytology monolayer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002065115A2 (fr) * | 2001-02-13 | 2002-08-22 | Universiteit Gent | Dispositif et procede pour detecter la presence d'un analyte |
WO2002065115A3 (fr) * | 2001-02-13 | 2002-11-28 | Univ Gent | Dispositif et procede pour detecter la presence d'un analyte |
Also Published As
Publication number | Publication date |
---|---|
EP1051617A1 (fr) | 2000-11-15 |
DE69823065D1 (de) | 2004-05-13 |
EP1051617B1 (fr) | 2004-04-07 |
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