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1. EP2180325 - CLEANING DEVICE AND ANALYSIS DEVICE

Office
European Patent Office
Application Number 08791556
Application Date 24.07.2008
Publication Number 2180325
Publication Date 28.04.2010
Publication Kind A1
IPC
G01N 35/02
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
35Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/-G01N33/148; Handling materials therefor
02using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
G01N 1/00
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
CPC
B01L 99/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
99Subject matter not provided for in other groups of this subclass
B01L 3/5082
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
3Containers or dishes for laboratory use, e.g. laboratory glassware
50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
508rigid containers not provided for above
5082Test tubes per se
G01N 2035/0437
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
35Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
02using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
04Details of the conveyor system
0401Sample carriers, cuvettes or reaction vessels
0437Cleaning cuvettes or reaction vessels
Applicants BECKMAN COULTER INC
Inventors TSURUTA HIROSHI
OZAKI MOTOAKI
NISHIMURA ISAO
TAKEYA MARIKO
Designated States
Priority Data 2007192244 24.07.2007 JP
Title
(DE) REINIGUNGSVORRICHTUNG UND ANALYSEVORRICHTUNG
(EN) CLEANING DEVICE AND ANALYSIS DEVICE
(FR) DISPOSITIF DE NETTOYAGE ET DISPOSITIF D'ANALYSE
Abstract
(EN)
A cleaning device and an analyzer capable of reducing an amount of cleaning liquid required for cleaning a cuvette are provided. In the analyzer according to the present invention, wall cross-sectional areas (S12) and (S22) are made larger than respective inner-diameter cross-sectional areas (S11) and (S21) of the supply nozzle (191) and the suction nozzle (192) that form a cleaning nozzle, so that a wall of each of the supply nozzle (191) and the suction nozzle (192) is thickened to increase the volume occupied by the nozzle in the cuvette 21. Thus, a percentage of the cleaning liquid (Ls) in the cuvette (21) can be reduced, resulting in reducing the amount of the cleaning liquid required for cleaning the cuvette (21).