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Automatic analyzer and dispensing method thereof

A dispensing and reading device technology, applied in measuring devices, analytical materials, biological material analysis, etc., can solve problems such as inability to obtain measured values, incorrect analysis of hemoglobin Alc, uneven concentration of sedimentation components, etc.

Active Publication Date: 2013-10-30
BECKMAN COULTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that when dispensing a sample containing a sedimentation component into a reaction container, if the tip of the dispensing probe is protruded to a certain position in the sample without considering the sedimentation state of the sedimentation component, the aspirated The concentration of sedimentation components is not uniform, and accurate measurement values ​​cannot be obtained
In addition, for example, in the analysis of hemoglobin A1c, if the blood cell components in whole blood precipitate, the analysis of hemoglobin A1c may be incorrect due to the suction of the supernatant plasma.

Method used

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  • Automatic analyzer and dispensing method thereof
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  • Automatic analyzer and dispensing method thereof

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Embodiment Construction

[0025] Hereinafter, embodiments related to the automatic analyzer and dispensing method of the present invention will be described in detail with reference to the drawings. figure 1 It is a schematic configuration diagram of the automatic analyzer of the present invention. figure 2 is expressed in figure 1 A block diagram of a schematic configuration of a sample dispensing device used in the automatic analyzer of .

[0026] The automatic analysis device 1 is a device for automatically analyzing samples such as blood and urine containing blood cell components, such as figure 1 As shown, it is provided with reagent discs 2, 3, a cuvette wheel (cuvette wheel) 4, a sample container transfer mechanism 8, an analysis optical system 11, a cleaning mechanism 12, a first stirring device 13, a second stirring device 14, and a control part 15 and sample dispensing device 20.

[0027] Such as figure 1 As shown, the reagent discs 2 and 3 are respectively arranged with a plurality of r...

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Abstract

Provided are an automatic analyzer (1) which moves a dispensing apparatus (20) having a dispensing probe (20b), or a vessel (9a) by a driving mechanism to dispense plural liquids into the vessel (9a) via the dispensing probe (20b), and measures and analyzes optical characteristic of a reaction liquid in which each of the dispensed liquids is reacted, and a dispensing method thereof. The automatic analyzer (1) includes a drive controlling unit (15a) which controls the driving mechanism so that the liquid surface of the liquid and a distal end of the dispensing probe (20b) are moved relatively to each other in a vertical direction; and, when the liquids including precipitated substance are to be dispensed, the dispensing probe (20b) sucks in the liquids from plural different positions along the vertical direction.

Description

technical field [0001] The invention relates to an automatic analysis device and a dispensing method thereof. Background technique [0002] Conventionally, a dispensing device of an automatic analyzer used for dispensing a sample or a reagent sometimes dispenses a sample whose components settle over time after being probed, For example, blood (whole blood) for analysis of hemoglobin Alc (HbAIc), which is a red blood cell component. In such a case, the dispensing device detects the liquid level of the blood in the sample container, probes the tip of the dispensing probe to a predetermined fixed position near the center of the blood, and stops the dispensing probe. , the blood cell component is aspirated by one suction operation, and the blood cell component is dispensed into the reaction container (for example, refer to Japanese Patent No. 3763212). [0003] However, since blood-based samples containing sedimentation components are derived from living organisms and vary fro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/00G01N35/10G01N33/50
CPCG01N35/1009Y10T436/114998Y10T436/115831Y10T436/12
Inventor 黑田显久
Owner BECKMAN COULTER INC