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Sampling method of automatic biochemical analyzer

A biochemical analyzer, fully automatic technology, applied to the analysis of materials, instruments, etc., can solve the problems of unsuitable for two-dimensional freedom of movement, limited range of activities, etc., to achieve the effect of low mechanical noise, light movement, and low load moment requirements

Active Publication Date: 2016-08-24
LEADWAY HK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The above-mentioned automatic biochemical analyzer includes a rotating wall, so it can only rotate around its column within a limited angle, and its range of motion is limited, so it is not suitable for some people who need to do two-dimensional freedom of movement in a certain plane. occasion

Method used

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  • Sampling method of automatic biochemical analyzer
  • Sampling method of automatic biochemical analyzer
  • Sampling method of automatic biochemical analyzer

Examples

Experimental program
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Embodiment 1

[0057] see figure 1 and figure 2 , which is a specific embodiment of the sampling device of the present invention. The sampling device is guided by two horizontal guide shafts 2 and 5 . The first stepping motor 4 drives the synchronous belt 3 to drive the sampling assembly to complete the horizontal movement (the sampling assembly is fixedly connected to the synchronous belt 3 through the sampling assembly bracket 10 ). The second stepper motor 1 installed on the sampling component bracket 10 drives the synchronous belt 6 to drive the sampling needle 7 to complete the vertical movement under the guidance of two vertical guide shafts 8 and 9 . The two-dimensional freedom movement of the sampling needle 7 in the horizontal and vertical directions helps to realize functions such as test tube puncture, sample suction and sample transportation in the blood cell analysis device.

Embodiment 2

[0059] Figure 3 to Figure 10 What is shown is another sampling device of the present invention with a two-dimensional freedom motion mechanism. The two-dimensional degree of freedom means that the motion mechanism or its components can move respectively along the directions of two sides of a certain fixed or non-fixed angle. The fixed angle may be 150 degrees, 120 degrees, 90 degrees, 60 degrees, 30 degrees or any other suitable angle. The motion trajectory of two-dimensional degrees of freedom may be a straight line, a smooth curve, a smooth parabola, a stitch or a combination thereof. In a preferred solution of the present invention, the two-dimensional degrees of freedom refer to two straight line directions perpendicular to each other. A more preferred solution is: the two-dimensional freedom movement includes a movement part in the horizontal direction and a movement part in the vertical direction. The specific implementation of the present invention will be described...

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Abstract

The invention discloses a method for carrying out sampling by using a full-automatic biochemical analyzer. The method comprises the following steps: (a) a sampling component is driven to move to a sampling position in the horizontal direction; (b) a sampling needle is driven to move in the vertical direction, and penetrates through a container containing a sample to absorb the sample and then returns to the sampling position; (c) the sampling component is driven to move to a reaction tank position in the horizontal direction; (d) the sampling needle is driven to move in the vertical direction, the sample is added into a reaction tank, and after preset reaction time, the sample needle moves to the reaction tank position after absorbing mixed liquid which is partially reacted; (e) the sampling needle is driven to move to a counting tank position in the horizontal direction; (f) the sampling needle is driven to move in the vertical direction, the partially-reacted mixed liquid absorbed by the sampling needle is injected into a counting tank, and the sampling needle returns to the counting tank position; and (g) the sampling needle is driven to move to the initial position in the horizontal direction. According to the sampling method, the steps are simple, the sampling efficiency is high and the cost is low.

Description

technical field [0001] The invention relates to a sampling method, in particular to a sampling method for a fully automatic biochemical analyzer. The method can be used in the medical testing industry and can realize functions such as open sampling, closed sampling, and sample transmission. Background technique [0002] Automatic biochemical analyzer is a widely used instrument in the detection of physiological, chemical and physical properties of human body fluids. In the automatic biochemical analyzer, the sampling device is a very important part. The sampling device needs to transfer the liquid sample from the specimen bottle to the reagent bottle, and after sufficient reaction, transfer the mixed solution to the counter for detection. Chinese Utility Model Patent No. 200520094284.1 discloses a sampling and stirring device for a fully automatic biochemical analyzer. The device includes a hanging wall mechanism and a driving mechanism, and the hanging wall mechanism is c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/10
Inventor 王波罗成
Owner LEADWAY HK