CN207036844U - Sample analyser - Google Patents
Sample analyser Download PDFInfo
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- CN207036844U CN207036844U CN201720792425.XU CN201720792425U CN207036844U CN 207036844 U CN207036844 U CN 207036844U CN 201720792425 U CN201720792425 U CN 201720792425U CN 207036844 U CN207036844 U CN 207036844U
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- waste liquid
- sampling needle
- liquid pool
- cleaning device
- sample analyser
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Abstract
The utility model discloses a kind of sample analyser, sampling needle cleaning device including housing and in housing, sampling needle cleaning device includes swab, liquid pump and the first waste liquid pool, swab is used to be set on the outside of sampling needle, swab is provided with flushing channel, and flushing channel is used to allow liquid to flow through to clean sampling needle, and the first waste liquid pool, which is provided with, to be used to connect open to atmosphere interface, liquid pump is connected between flushing channel and the first waste liquid pool, and liquid pump is used for the Liquid extracting in flushing channel to the first waste liquid pool.Above-mentioned sample analyser can reliably prevent swab leakage.
Description
Technical field
It the utility model is related to technical field of medical instruments, more particularly to a kind of sample analyser.
Background technology
Blood cell analyzer is widely known by the people, and the blood cell analyzer has the swab cleaned to sampling needle, and wipes
Sub- leakage turns into the most common failure mode of the functional module.Swab leakage causes mainly due to swab drawing liquid disabler,
Swab drawing liquid mainly has two ways at present:One kind be using waste liquid barrel outside liquid pump drawing liquid to machine, the situation may be due to machine outside
Usage scenario complex transformations (such as machine outer pipeline jammed on) and cause swab leakage;Another kind is to be evacuated to waste liquid using negative pressure
Negative pressure pond, then drained into by negative pressure pond outside machine, the situation drawing liquid depends on pressure stability, and complete machine Stress control is relative complex,
If shake occurs in negative pressure, shakiness may also cause swab leakage.A kind of therefore it provides side that can reliably prevent swab leakage
Method is particularly important.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of sample that can reliably prevent swab leakage point
Analyzer.
To achieve these goals, the utility model embodiment adopts the following technical scheme that:
A kind of sample analyser, including housing and the sampling needle cleaning device in the housing, the sampling are provided
Pin cleaning device includes swab, liquid pump and the first waste liquid pool, and the swab is used to be set on the outside of sampling needle, and the swab is set
There is flushing channel, the flushing channel is used to allow liquid to flow through to clean the sampling needle, and first waste liquid pool, which is provided with, to be used
It is connected in even open to atmosphere interface, the liquid pump between the flushing channel and first waste liquid pool, the liquid pump is used for
By the Liquid extracting in the flushing channel to first waste liquid pool.
Wherein, the sampling needle cleaning device also includes the second waste liquid pool, and negative pressure is formed in second waste liquid pool, described
Second waste liquid pool is used for by the liquid described in the negative pressure extracting in the first waste liquid pool.
Wherein, the sampling needle cleaning device also includes waste drains pump, and the waste drains pump connects second waste liquid pool, is used for
Liquid in second waste liquid pool is discharged.
Wherein, the sampling needle cleaning device also includes the first switch piece, and first switch piece is connected to described first
Between waste liquid pool and second waste liquid pool.
Wherein, the sampling needle cleaning device also includes the second switch piece, and second switch piece is connected to described second
Between waste liquid pool and the waste drains pump.
Wherein, the sampling needle cleaning device also includes liquid storage tank, and the liquid storage tank connects the flushing channel.
Wherein, the liquid storage tank internal memory contains dilution.
Wherein, the sampling needle cleaning device also includes the 3rd switch piece, and the 3rd switch piece is connected to the liquid storage
Between pond and the swab.
Wherein, the liquid storage tank, which is provided with, is used to be communicated to air or the interface of positive pressure source.
Wherein, the flushing channel includes the entrance and exit being oppositely arranged, and the entrance is used below the outlet
Flowed from bottom to top in causing the fluid in the flushing channel.
Compared to prior art, the utility model has the advantages that:
Because first waste liquid pool of the sampling needle cleaning device is arranged in the housing, namely it is arranged on described
Inside sample analyser, therefore the pipeline being connected between the swab and first waste liquid pool is provided with technique guarantee, energy
Enough prevent the abnormal conditions such as the outer broken pipes of Fa Shengji.Because swab waste liquid is extracted to the first waste liquid pool by the liquid pump, and it is described
First waste liquid pool connects air by the interface, can reduce the pressure in first waste liquid pool as far as possible and be given up to collecting swab
The process of liquid has a negative impact, therefore there is the sampling needle cleaning device stable and enough driving forces to be given up to collect swab
Liquid, so as to avoid due to pressure instability and caused by leakage risk.In short, the sample analyser can reliably prevent
Leakage occurs for the swab.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, below by embodiment it is required use it is attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained such as these accompanying drawings other
Accompanying drawing.
Fig. 1 is a kind of structural representation for sample analyser that the utility model embodiment provides.
Fig. 2 is the schematic diagram of the part-structure of sample analyser shown in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.It is based on
Embodiment in the utility model, those of ordinary skill in the art are obtained all under the premise of creative work is not made
Other embodiment, belong to the scope of the utility model protection.
In addition, the explanation of following embodiment is with reference to additional diagram, can be used to implement to illustrate the utility model
Specific embodiment.The direction term being previously mentioned in the utility model, for example, " on ", " under ", "front", "rear", "left", "right",
" interior ", " outer ", " side " etc., only it is the direction with reference to annexed drawings, therefore, the direction term used is in order to more preferable, more clear
Illustrate to Chu and understand the utility model, rather than instruction or infer meaning device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection ", " on being arranged on ... " should be interpreted broadly, for example, it may be being fixedly connected or removable
Connect with unloading, or be integrally connected;Can mechanically connect;Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple " are meant that two or more.
In addition, the numerical value for referring to record before and after using "~" with the number range of "~" expression in this specification is as minimum value and most
The scope that big value is included.In the accompanying drawings, the similar or identical unit of structure is indicated by the same numeral.
Also referring to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of sample analyser 100.The sample analysis
Instrument 100 can be used for carrying out biological sample analysis, and the biological specimen can be blood, urine etc..The sample analyser 100 is also
Including drive component, sampling component, reaction component, detection components, liquid waste processing component and controller.The drive component is used
Various streams (including gas circuit and fluid path) in the driving sample analyser 100.The sampling component is used to gather and divide
With biological specimen.The sampling component includes sampling needle 3.The reaction component is used to handle with shape the biological specimen
Into prepare liquid.The detection components are used to detect the prepare liquid to form detection information.The liquid waste processing component is used to receive
Collect and discharge the waste liquid in the sample analyser 100.The controller is used for the workflow for controlling the sample analyser 100
Journey simultaneously handles the detection information to form analysis result.
The sample analyser 100 also includes housing 1 and the sampling needle cleaning device 2 in the housing 1.It is described to adopt
Sample pin cleaning device 2 includes swab 21, the waste liquid pool 23 of liquid pump 22 and first.The swab 21 is used to be set in outside sampling needle 3
Side, the swab 21 are provided with flushing channel 211, and the flushing channel 211 is used to allow liquid to flow through to clean the sampling needle
3.First waste liquid pool 23, which is provided with, to be used to connect open to atmosphere interface 231.The liquid pump 22 be connected to the flushing channel 211 with
Between first waste liquid pool 23, the liquid pump 22 is used to give up the Liquid extracting in the flushing channel 211 to described first
Liquid pool 23.It is explained later for convenience, will needs to be referred to as swab by the liquid of the discharge in the flushing channel 211 in the application
Waste liquid.
In the present embodiment, because first waste liquid pool 23 of the sampling needle cleaning device 2 is arranged on the housing 1
It is interior, namely be arranged on inside the sample analyser 100, therefore be connected between the swab 21 and first waste liquid pool 23
Pipeline be provided with technique guarantee, the abnormal conditions such as the outer broken pipes of Fa Shengji can be prevented.Because swab waste liquid is by the liquid pump 22
Extract to the first waste liquid pool 23, therefore there is the sampling needle cleaning device 2 stable and enough driving forces to be given up to collect swab
Liquid, and first waste liquid pool 23 connects air by the interface 231, can reduce as far as possible in first waste liquid pool 23
Pressure have a negative impact to the process for collecting swab waste liquid, so as to avoid due to pressure instability and caused by leakage wind
Danger.In short, the sample analyser 100, which can reliably prevent the swab 21, occurs leakage.
Optionally, first waste liquid pool 23 is open-top receptacle.
Optionally, the sampling needle cleaning device 2 also includes the second waste liquid pool 24 and waste drains pump 25.Second waste liquid pool
Negative pressure is formed in 24, second waste liquid pool 24 is used for by the liquid described in the negative pressure extracting in the first waste liquid pool 23.Institute
Waste drains pump 25 is stated to be used to discharge the liquid in second waste liquid pool 24.Second waste liquid pool 24 can also pass through the negative pressure
Collect waste liquid caused by miscellaneous part in the sample analyser 100.It is explained later, will be produced in the application useless for convenience
The part of liquid is referred to as waste liquid generating means.
In the present embodiment, second waste liquid pool 24 can form subnormal ambient by connecting negative pressure source, or by bearing
Potential source establishes subnormal ambient in second waste liquid pool 24.Discharged by the waste drains pump 25 in second waste liquid pool 24
During waste liquid, without switching the pressure in second waste liquid pool 24, negative pressure state can be remained in second waste liquid pool 24,
So that second waste liquid pool 24 sustainably passes through the waste liquid in each waste liquid generating means of the negative pressure extracting and described
Waste liquid in one waste liquid pool 23, second waste liquid pool 24 collect the action of waste liquid and discharge waste liquid action can carry out parallel,
It is non-interference, so as to improve the liquid waste processing efficiency of the sample analyser 100.
Optionally, the sampling needle cleaning device 2 also includes the first switch piece 26, and first switch piece 26 is connected to institute
State between the first waste liquid pool 23 and second waste liquid pool 24.First switch piece 26 is useless for connecting or cutting off described first
Liquid pool 23 and second waste liquid pool 24.First switch piece 26 can be stop valve or break valve by air pressure driving.
Optionally, the sampling needle cleaning device 2 also includes the second switch piece 29, and second switch piece 29 is connected to institute
State between the second waste liquid pool 23 and the waste drains pump 25.Second switch piece 29 can be check valve, stop valve or be driven by air pressure
Dynamic breaks valve.
As a kind of alternative embodiment, the sampling needle cleaning device 2 also includes liquid storage tank 27, and the liquid storage tank 27 connects
The flushing channel 211.Liquid in the liquid storage tank 27 enters the flushing channel under the draft driving of the liquid pump 22
The 211 cleaning sampling needles 3.
The internal memory of liquid storage tank 27 contains dilution.The dilution is that the sampling needle 3 capable of washing, cost are low, may be used also
To be supplied to the miscellaneous part of the sample analyser 100 to use, to improve the integrated level of the sample analyser 100.
The liquid storage tank 27 is provided with the interface 271 for being used for being communicated to positive pressure source.The liquid storage tank 27 passes through the interface 271
Positive pressure source is connected, the liquid in the liquid storage tank 27 can be pushed into the swab 21 by the positive pressure source, to realize feed flow.
Optionally, the sampling needle cleaning device 2 also includes the 3rd switch piece 28, and the 3rd switch piece 28 is connected to institute
State between liquid storage tank 27 and the swab 21.3rd switch piece 28 is wiped for connecting or cutting off the liquid storage tank 27 with described
The flushing channel 211 of son 21.3rd switch piece 28 can be stop valve.
As a kind of alternative embodiment, the flushing channel 211 includes the entrance 2111 being oppositely arranged and outlet 2112, institute
Entrance 2111 is stated located at the lower section of outlet 2112, for causing the fluid in the flushing channel 211 to flow from bottom to top.This
When, the sampling needle 3 can be cleaned more clean by the liquid in the flushing channel 211.
The utility model embodiment is described in detail above, specific case used herein is to the utility model
Principle and embodiment be set forth, the explanation of above example be only intended to help understand method of the present utility model and
Its core concept;Meanwhile for those of ordinary skill in the art, according to thought of the present utility model, in embodiment
And there will be changes in application, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
- A kind of 1. sample analyser, it is characterised in that the sampling needle cleaning device including housing and in the housing, it is described Sampling needle cleaning device includes swab, liquid pump and the first waste liquid pool, and the swab is used to be set on the outside of sampling needle, described to wipe Son is provided with flushing channel, and the flushing channel is used to allow liquid to flow through to clean the sampling needle, and first waste liquid pool is set There is the interface for connecting air, the liquid pump is connected between the flushing channel and first waste liquid pool, the liquid pump For by the Liquid extracting in the flushing channel to first waste liquid pool.
- 2. sample analyser as claimed in claim 1, it is characterised in that the sampling needle cleaning device also includes the second waste liquid Pond, second waste liquid pool is interior to form negative pressure, and second waste liquid pool is used to pass through the first waste liquid pool described in the negative pressure extracting Interior liquid.
- 3. sample analyser as claimed in claim 2, it is characterised in that the sampling needle cleaning device also includes waste drains pump, The waste drains pump connects second waste liquid pool, for the liquid in second waste liquid pool to be discharged.
- 4. sample analyser as claimed in claim 2, it is characterised in that the sampling needle cleaning device also includes the first switching Part, first switch piece are connected between first waste liquid pool and second waste liquid pool.
- 5. sample analyser as claimed in claim 3, it is characterised in that the sampling needle cleaning device also includes the second switching Part, second switch piece are connected between second waste liquid pool and the waste drains pump.
- 6. sample analyser as claimed in claim 1, it is characterised in that the sampling needle cleaning device also includes liquid storage tank, The liquid storage tank connects the flushing channel.
- 7. sample analyser as claimed in claim 6, it is characterised in that the liquid storage tank internal memory contains dilution.
- 8. sample analyser as claimed in claim 6, it is characterised in that the sampling needle cleaning device also includes the 3rd switching Part, the 3rd switch piece are connected between the liquid storage tank and the swab.
- 9. sample analyser as claimed in claim 6, it is characterised in that the liquid storage tank, which is provided with, to be used to be communicated to air or just The interface of potential source.
- 10. the sample analyser as described in any one of claim 1~9, it is characterised in that the flushing channel includes relative set The entrance and exit put, the entrance is below the outlet, for causing the fluid in the flushing channel from bottom to top Flowing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720792425.XU CN207036844U (en) | 2017-06-30 | 2017-06-30 | Sample analyser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720792425.XU CN207036844U (en) | 2017-06-30 | 2017-06-30 | Sample analyser |
Publications (1)
Publication Number | Publication Date |
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CN207036844U true CN207036844U (en) | 2018-02-23 |
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ID=61465848
Family Applications (1)
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CN201720792425.XU Active CN207036844U (en) | 2017-06-30 | 2017-06-30 | Sample analyser |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114062661A (en) * | 2020-07-30 | 2022-02-18 | 深圳市帝迈生物技术有限公司 | Sample analyzer, sampling needle cleaning liquid path and cleaning method thereof |
CN114112526A (en) * | 2020-08-31 | 2022-03-01 | 深圳市帝迈生物技术有限公司 | Sample suction method, system, device and computer readable storage medium |
CN114643240A (en) * | 2020-12-18 | 2022-06-21 | 深圳市帝迈生物技术有限公司 | Cleaning system, sample analyzer and cleaning method |
CN114643241A (en) * | 2020-12-18 | 2022-06-21 | 深圳市帝迈生物技术有限公司 | Liquid supply system and liquid supply method |
-
2017
- 2017-06-30 CN CN201720792425.XU patent/CN207036844U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114062661A (en) * | 2020-07-30 | 2022-02-18 | 深圳市帝迈生物技术有限公司 | Sample analyzer, sampling needle cleaning liquid path and cleaning method thereof |
CN114112526A (en) * | 2020-08-31 | 2022-03-01 | 深圳市帝迈生物技术有限公司 | Sample suction method, system, device and computer readable storage medium |
CN114643240A (en) * | 2020-12-18 | 2022-06-21 | 深圳市帝迈生物技术有限公司 | Cleaning system, sample analyzer and cleaning method |
CN114643241A (en) * | 2020-12-18 | 2022-06-21 | 深圳市帝迈生物技术有限公司 | Liquid supply system and liquid supply method |
CN114643241B (en) * | 2020-12-18 | 2023-12-01 | 深圳市帝迈生物技术有限公司 | Liquid supply system and liquid supply method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd. Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd. Contract record no.: X2022440020009 Denomination of utility model: Sample Analyzer Granted publication date: 20180223 License type: Common License Record date: 20220804 |
|
EE01 | Entry into force of recordation of patent licensing contract |