CN201607358U

CN201607358U - Mixing device of medical testing sample

Info

Publication number: CN201607358U
Application number: CN200920212944XU
Authority: CN
Inventors: 邬鹏程
Original assignee: SHANGHAI KUAIDEXING BIOTECHNOLOGY CO Ltd
Current assignee: SHANGHAI KUAIDEXING BIOTECHNOLOGY CO Ltd
Priority date: 2009-12-11
Filing date: 2009-12-11
Publication date: 2010-10-13
Anticipated expiration: 2019-12-11

Abstract

The utility model relates to a mixing device of a medical testing sample, belonging to the field of the testing medicine. The mixing device of the medical testing sample is characterized by comprising a first container and a second container; the first container contains the sample and diluent simultaneously and is closed; the first container is provided with an untested sample inlet, a diluent inlet and a mixed liquid outlet and is connected with a pressure device; and the mixed liquid outlet of the first container is connected with the second container. By leading the untested sample and the diluent to be added into a container, the device utilizes certain pressure to press the mixed liquid thereof into the latter container and generates rotational flow similar to a whirlpool in the latter container, thus achieving the uniform mixing effect and realizing the automatic mixing by a machine; and the speed of the rotational flow can be controlled by controlling the pressure and the related condition, therefore, the needed effect is achieved.

Description

A kind of mixing arrangement of medical test samples

Technical field

The utility model relates to a kind of mixing arrangement, relate in particular to a kind of in medical test the mixing arrangement to test samples.

Background technology

In the test pretreatment stage of medical test samples, because the characteristic of sample substantially all needs to add one or more dilutions or reagent and mixes with convenient test.Test now all has various instruments or testing equipment basically, therefore in the test pre-treatment, be the important process of pre-treatment manually with sample and dilution mixing, and mix even more, no matter be to adopt artificial microscopic examination or testing tool detection, the resultant error degree that obtains is more little.Because when detecting, just take out mixed minority sample liquid usually and test, if the uniformity coefficient of mixing is not enough, true actual conditions of representative sample of Ce Shi sample liquid then, test result will produce error.

Present sample pretreatment stage, basic still based on manually-operated, the main method that adopts is that the mixed liquor with dilution and sample rocks in mixer, whether judges mixing by the proterties of repeatedly rocking and observe mixed liquor.This method makes uses for a long time, but have very big drawback in fact, these drawbacks comprise: 1〉because be manually to rock mixer, everyone strength of rocking of certainty and frequency etc. all are inequality, not only be difficult to calculate this dynamics, also can't control this dynamics; 2〉even stipulate the parameter that frequency that some rock and angle etc. can suitably be controlled, at different containers, operability is not high yet; 3〉determine whether mixing at present, can begin to detect to use and need to rely on manual observation fully, everyone observation angle difference different or that observe all can produce different results, therefore the final effect that in fact rocks mixing can't really be determined, also be difficult to detect, can't avoid so the error of actual detection data can't be judged also.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of mixing arrangement of medical test samples, can't accurately control the mixing dynamics in artificial now the mixing and can't determine that mixed effect can't avoid detecting the defective of the error of data thereby solve.

Technical scheme

A kind of mixing arrangement of medical test samples, it is characterized in that: first container that comprises the sealing that is loaded with sample and dilution simultaneously, described first container remains test samples inlet and dilution and enters the mouth and mixture export, and being connected with pressure apparatus, the mixture export of described first container is communicated with second container.

The latter half inwall of described second container is rounding stage body shape.

The bottom surface platform of the latter half inwall rounding stage body of described second container is for a bit.

The latter half inwall of described second container is in vertical direction with miter angle.

The inwall of the rounding stage body of the extended line of the mixture export of described first container and second container intersects.

Described first container and vertical direction are the angle tilt setting.

The end point of the latter half inwall rounding stage body of described second container is provided with the mixing liquid escape hole.

The diameter of the described first container mixture export is less than the diameter of this container.

The container closure of described first container top for moving up and down along chamber wall, container closure connects the drive motor that drives its motion.

Described first container is the medical needle form of tubes, described sample inlet to be tested and mixture export are the same gateway that utilizes the needle tubing below, container closure is the push-and-pull piston of needle tubing top, and the push-and-pull piston connects drive motor, is driven by drive motor to move up and down.

Beneficial effect

The utility model device is by after being added to sample to be detected and dilution in the container, utilize certain pressure that its mixed liquor is depressed into from this container in one container of back, and thereby the eddy flow that produces similar whirlpool in one container of back reaches the effect that mixes, realized mixing automatically by machinery, and can control the speed of eddy flow by controlled pressure and correlated condition, thereby reach the effect that needs, by test of many times and improvement, the comparable artificial mixing of effect is more even, the continued operation high conformity, thus make the essential step in the test samples pre-treatment realize robotization.

Description of drawings

Fig. 1 is the utility model device synoptic diagram.

Wherein: 1-suction needle, 2-push-and-pull piston, 3-drive motor, 4-mixing container, the import of 5-dilution, 6-mixing liquid escape hole, the needle point pipe of 11-suction needle, the storage tube of 12-suction needle.

Embodiment

Below in conjunction with specific embodiment, further set forth the utility model.

A kind of mixing arrangement of medical test samples, first container that comprises the sealing that is loaded with sample and dilution simultaneously, described first container remains test samples inlet and dilution and enters the mouth and mixture export, and is connected with pressure apparatus, and the mixture export of described first container is communicated with second container.

The diameter of the described first container mixture export is less than the diameter of this container, and the pressure of ejection helps to mix in the time of can strengthening the mixed liquor output in first container like this.

The container closure of described first container top for moving up and down along chamber wall, container closure connects the drive motor 3 that drives its motion.

Described first container is the medical needle form of tubes, described sample inlet to be tested and mixture export are the same gateway that utilizes the needle tubing below, container closure is the push-and-pull piston 2 of needle tubing top, and push-and-pull piston 2 connects drive motor 3, is driven by drive motor 3 to move up and down.

Described medical needle form of tubes is for utilizing suction needle 1, the suction needle bottom is divided into needle point pipe 11, top is divided into storage tube 12, suction needle 1 below needle point pipe 11 had both been born the task of drawing sample liquid, also bearing second container that the mixed liquor that will send into the sample liquid of dilution in the suction needle storage tube 12 and absorption from suction needle 1 top is ejected to suction needle 1 below simultaneously is the task of mixing container 4, dilution import 5 can be adopted multiple mode, can be located at storage tube 12 sidewalls, also can carry dilution on the push-and-pull piston 2 above the storage tube 12 by delivery pipe is installed.

The latter half inwall that described second container is a mixing container 4 is inverted cone shape or rounding stage body shape, can guarantee like this can form eddy flow along the cone inwall from the mixed liquor of suction needle 1 below ejection, thereby reach abundant mixing, the rotation mixing.

In the test, in vertical direction with miter angle, especially the inwall of inverted cone is made miter angle with the latter half inwall of described mixing container 4, and the mixing effect is better.Mixed liquor behind the mixing can flow out from the mixing liquid escape hole 6 of inverted cone bottom or once more by behind the required mixing liquid of suction needle 1 absorption, the mixing liquid of remainder be discharged from escape hole 6.

The mixture export of described first container is the words that the inwall of the extended line of needle point pipe 11 and the inverted cone that second container is mixing container 4 intersects, more can guarantee can be sprayed on from the liquid of suction needle 1 below ejection is on the inwall of inverted cone of mixing container 4, can be by being that suction needle 1 is obliquely installed at an angle with vertical direction and reaches with first container.

Thereby the utility model device is by using certain pressure to make its mixed liquor reach the effect that mixes at the eddy flow that produces similar whirlpool from the course of conveying of first container to the second container in sample and dilution, realized mixing automatically by machinery, and can improve the effect of mixing by controlled pressure and other correlated conditions, by test of many times and improvement, the method and apparatus of the comparable artificial mixing of effect is more even, the continued operation high conformity, thus the essential step that medical science is detected in the sample pre-treatment has realized robotization.And this installs simple to operation effectively, utilizes liquid to wash away to reflux it is merged gradually, and the uniformity coefficient of mixing is good especially.Because simple low-hanging fruit is good, especially be fit to coupling in present medical science real-time test equipment.

Claims

1. the mixing arrangement of a medical test samples, it is characterized in that: first container that comprises the sealing that is loaded with sample and dilution simultaneously, described first container remains test samples inlet and dilution and enters the mouth and mixture export, and being connected with pressure apparatus, the mixture export of described first container is communicated with second container.

2. the mixing arrangement of medical test samples as claimed in claim 1, it is characterized in that: the latter half inwall of described second container is rounding stage body shape.

3. the mixing arrangement of medical test samples as claimed in claim 2 is characterized in that: the bottom surface platform of the latter half inwall rounding stage body of described second container is for a bit.

4. as the mixing arrangement of claim 2 or 3 described medical test samples, it is characterized in that: the latter half inwall of described second container is in vertical direction with miter angle.

5. as the mixing arrangement of claim 2 or 3 described medical test samples, it is characterized in that: the inwall of the rounding stage body of the extended line of the mixture export of described first container and second container intersects.

6. the mixing arrangement of medical test samples as claimed in claim 5, it is characterized in that: described first container and vertical direction are the angle tilt setting.

7. the mixing arrangement of medical test samples as claimed in claim 3, it is characterized in that: the end point of the latter half inwall rounding stage body of described second container is provided with the mixing liquid escape hole.

8. the mixing arrangement of medical test samples as claimed in claim 1 or 2, it is characterized in that: the diameter of the described first container mixture export is less than the diameter of this container.

9. the mixing arrangement of medical test samples as claimed in claim 1 or 2 is characterized in that: the container closure of described first container top for moving up and down along chamber wall, container closure connects the drive motor that drives its motion.

10. the mixing arrangement of medical test samples as claimed in claim 9, it is characterized in that: described first container is the medical needle form of tubes, described sample inlet to be tested and mixture export are the same gateway that utilizes the needle tubing below, container closure is the push-and-pull piston of needle tubing top, the push-and-pull piston connects drive motor, is driven by drive motor to move up and down.