CN208459416U - Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it - Google Patents

Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it Download PDF

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Publication number
CN208459416U
CN208459416U CN201820875717.4U CN201820875717U CN208459416U CN 208459416 U CN208459416 U CN 208459416U CN 201820875717 U CN201820875717 U CN 201820875717U CN 208459416 U CN208459416 U CN 208459416U
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micro
well
sample
sealing system
fluidic chip
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CN201820875717.4U
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吴旭东
帅宇
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Jiangsu Tall And Erect Microorganism Science And Technology Ltd
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Jiangsu Tall And Erect Microorganism Science And Technology Ltd
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Abstract

The utility model provides a kind of micro-fluidic chip sample-adding sealing system and the cytoanalyze comprising it, is related to cell analysis technical field.The sample-adding sealing system, which is mainly matched by the well being set on micro-fluidic chip with the top cover for being provided with vacuum chuck, to be combined into;The width of the well is adapted with the width of vacuum chuck.Above-mentioned well is set on micro-fluidic chip, and sample is firstly added in well, then by the pushing of top cover, make well with and the compatible vacuum chuck of its width close and be bonded, form a sealing structure, and then avoid the pollution of sample in detection process.Well is just separated with vacuum chuck only in the very short time of sample-adding in the utility model, and other time is and vacuum chuck forms sealing system.The sample-adding sealing system effectively prevents impurity and enters detection system, alleviates the problem of entrance of impurity in existing sample adding system interferes testing result or sense channel is caused to block.

Description

Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it
Technical field
The utility model relates to cell analysis technical field, more particularly, to a kind of micro-fluidic chip be loaded sealing system and Include its cytoanalyze.
Background technique
Microfluidic chip technology (Microfluidics) is biological, chemical, medical analysis process sample preparation, instead It the basic operation units such as answers, separate, detecting be integrated on the chip of one piece of micro-meter scale, being automatically performed analysis overall process.Due to It in the great potential in the fields such as biology, chemistry, medicine, have been developed as a biology, chemistry, medicine, fluid, electronics, The brand-new research field of the subject crossings such as material, machinery.
In usual cell sample automatic analytical instrument, sample introduction needle is generally used to the sample-adding of micro-fluidic chip and combines injection The mode of pump carrys out pipette samples and injects sense channel.In such system, sample intake passage has longer pipeline from detection zone Connection, and the cavity of a transfer sample is needed, this requires that the process cleaned every time must be thorough to sample intake passage Cleaning, this certainly will increase the complexity and product cost of system.Moreover, because the cavity of sample introduction needle and transfer sample not easy cleaning Completely, such system also increases the possibility of sample carryover, or even introduces the cross contamination of sample.Meanwhile sample introduction needle makes With a possibility that increasing sample intake passage blocking is also tended to, the factors of instability are introduced to machine system.
Therefore, a kind of micro-fluidic chip sample-adding sealing system for cell analysis detection is researched and developed, the sample-adding is close Envelope system has structure simple, and function is easy, the strong advantage of sample-adding leakproofness, and then well is effectively reduced by outside contamination Risk, become very necessary and urgent.
In view of this, special propose the utility model.
Utility model content
The first of the utility model is designed to provide a kind of micro-fluidic chip sample-adding sealing system, sample-adding sealing system System has structure simple, and function is easy, the strong advantage of sample-adding leakproofness, and then wind of the well by outside contamination is effectively reduced Danger.
The second of the utility model is designed to provide a kind of cytoanalyze, which includes above-mentioned micro-fluidic Chip is loaded sealing system.
Provided by the utility model, a kind of micro-fluidic chip sample-adding sealing system, the sample-adding sealing system is mainly by setting The well being placed on micro-fluidic chip is matched with the top cover for being provided with vacuum chuck to be combined into;
The width of the well is adapted with the width of vacuum chuck.
Further, the well is vertical or is obliquely installed on micro-fluidic chip.
Further, washer is additionally provided on the well.
Further, the vacuum chuck upper end is connected with pipeline, vacuum chuck lower end and the retractable connection of well.
Further, the pipeline includes pressure piping and absorption pipeline.
Further, the part that the pipeline is connect with vacuum chuck is made by conductive material, and is connected to by conducting wire Ground terminal.
Further, the conductive material is metal pipe material;
Preferably, the metal pipe material is 316L stainless steel pipe.
Further, the top cover is rotatable top cover.
Further, the top cover is connected by rotation and cytoanalyze lock, and then compresses well and vacuum Sucker.
Provided by the utility model, a kind of cytoanalyze, the cytoanalyze includes above-mentioned micro-fluidic chip sample-adding Sealing system.
Compared with prior art, the utility model has the following beneficial effects:
Micro-fluidic chip provided by the utility model is loaded sealing system, and the sample-adding sealing system is mainly micro- by being set to Well on fluidic chip is matched with the top cover for being provided with vacuum chuck to be combined into;The width of the well and vacuum chuck Width is adapted.Above-mentioned well is set on micro-fluidic chip, and sample is firstly added in well, then by under top cover Pressure, make well with and the compatible vacuum chuck of its width close combination, form a sealing structure, and then avoid detecting The pollution of sample in journey.Well is just separated with vacuum chuck only in the very short time of sample-adding in the utility model, other Time is and vacuum chuck forms sealing system.The sample-adding sealing system effectively avoids impurity from entering detection system, avoids existing There is the problem of entrance of impurity in sample adding system interferes testing result or sense channel is caused to block.
Cytoanalyze provided by the utility model, the cytoanalyze include above-mentioned micro-fluidic chip sample-adding sealing system System, the sample-adding sealing system is it is possible to prevente effectively from existing cytoanalyze test sample sample carryover easily occurs when being loaded, in turn The problem of leading to test sample cross contamination.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the micro-fluidic chip that the utility model embodiment 1 provides is loaded sealing system structural schematic diagram;
Icon: 1- micro-fluidic chip;2- well;3- vacuum chuck;4- top cover;21- washer;5- pipeline.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.In order to facilitate it is clearer understand the utility model, it is now practical new to this by specific embodiment Type is described in detail.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
One aspect according to the present utility model, a kind of micro-fluidic chip sample-adding sealing system, the sample-adding sealing system Mainly matched by the well 2 being set on micro-fluidic chip 1 with the top cover 4 for being provided with vacuum chuck 3 and is combined into;
The width of the well 2 is adapted with the width of vacuum chuck 3.
Micro-fluidic chip provided by the utility model is loaded sealing system, and the sample-adding sealing system is mainly micro- by being set to Well 2 on fluidic chip 1 is matched with the top cover 4 for being provided with vacuum chuck 3 to be combined into;The width and vacuum of the well 2 The width of sucker 3 is adapted.Above-mentioned well 2 is set on micro-fluidic chip 1, and sample is firstly added in well 2, then logical The pushing for crossing top cover 4, make well 2 with and the compatible vacuum chuck 3 of its width close combination, form a sealing structure, And then avoid the pollution of sample in detection process.In the utility model well 2 only in the very short time of sample-adding just with it is true Suction disk 3 separates, and other time is and vacuum chuck 3 forms sealing system.Effectively impurity is avoided to enter detection system, avoided The problem of entrance of impurity interferes testing result or sense channel is caused to block in existing sample adding system.
Preferably, the well 2 is circle, and inside is with or without notch;
It is furthermore preferred that the well 2 is the regular notch of band in round.
In a kind of preferred embodiment of the utility model, the well 2 is vertical or is obliquely installed in micro-fluidic core On piece 1.
As a preferred embodiment, vertical or be obliquely installed and be more conducive to sample in the well 2 on micro-fluidic chip 1 The dropwise addition of product.
In a kind of preferred embodiment of the utility model, washer 21 is additionally provided on the well 2.
As a preferred embodiment, the washer 21 being arranged on well 2 has one fixed width, with vacuum chuck 3 Cooperation, increases tight type, meanwhile, the width of well 2 improves fault-tolerant to the interference fit of vacuum chuck 3 and well 2 Rate.
In a kind of preferred embodiment of the utility model, 3 upper end of vacuum chuck is connected with pipeline 5, and vacuum is inhaled 3 lower end of disk and the retractable connection of well 2.
In above-mentioned preferred embodiment, the pipeline 5 includes pressure piping and absorption pipeline.
As a preferred embodiment, above-mentioned pipeline 5 includes pressure piping and absorption pipeline, when needs control sample-adding When the liquid level in hole 2, pressure piping can make the liquid in well 2 maintain the height of liquid level required for corresponding cell experiment Degree;And in cleaning well 2 or detection process, absorption pipeline can connect waste collection pipeline again, and waste liquid is discharged into receipts Acquisition means.
In a kind of preferred embodiment of the utility model, the part that the pipeline 5 is connect with vacuum chuck 3 is by conduction Material is made, and is connected to ground terminal by conducting wire.
As a preferred embodiment, the part that above-mentioned pipeline 5 is connect with vacuum chuck 3 is made by conductive material, And ground terminal is connected to by conducting wire.In the detection process, the fluid that electric conductivity is greatly reduced in the conducting wire of ground connection flows through pipeline 5 The electromagnetic radiation from environment of introducing interferes, and improves detection signal-to-noise ratio.
In above-mentioned preferred embodiment, the conductive material is metal pipe material;
Preferably, the metal pipe material is 316L stainless steel pipe.
In a kind of preferred embodiment of the utility model, the top cover 4 is rotatable top cover.
In above-mentioned preferred embodiment, the top cover 4 is latched or is fastened and connected with cytoanalyze by rotation, in turn Compress well 2 and vacuum chuck 3.
One aspect according to the present utility model, a kind of cytoanalyze, the cytoanalyze include above-mentioned micro-fluidic Chip is loaded sealing system.
Cytoanalyze provided by the utility model, the cytoanalyze include above-mentioned micro-fluidic chip sample-adding sealing system System, the sample-adding sealing system is it is possible to prevente effectively from existing cytoanalyze test sample sample carryover easily occurs when being loaded, in turn The problem of leading to test sample cross contamination.
In order to realize the above-mentioned purpose of the utility model, the following technical scheme is adopted:
Embodiment 1
Fig. 1 is that the micro-fluidic chip that the utility model embodiment 1 provides is loaded sealing system structural schematic diagram;
As shown in Figure 1, a kind of micro-fluidic chip is loaded sealing system, the sample-adding sealing system is mainly by being set to miniflow Well 2 on control chip 1 is matched with the top cover 4 for being provided with vacuum chuck 3 to be combined into;
The width of the well 2 is adapted with the width of vacuum chuck 3.
Micro-fluidic chip provided by the utility model is loaded sealing system, and the sample-adding sealing system is mainly micro- by being set to Well 2 on fluidic chip 1 is matched with the top cover 4 for being provided with vacuum chuck 3 to be combined into;The width and vacuum of the well 2 The width of sucker 3 is adapted.Well 2 is just separated with vacuum chuck 3 only in the very short time of sample-adding in the utility model, Other time is and vacuum chuck 3 forms sealing system.Effectively impurity is avoided to enter detection system, avoids existing sample adding system The problem of entrance of middle impurity interferes testing result or sense channel is caused to block.
During the utility model micro-fluidic chip 1 is loaded, above-mentioned well 2 is set on micro-fluidic chip 1, detects sample Originally be firstly added in well 2, then by the pushing of top cover 4, make well 2 with and the compatible vacuum chuck 3 of its width Combination is closed, forms a sealing structure, and then avoid the pollution of sample in detection process.
Preferably, the well 2 is circle, and inside is with or without notch;
It is furthermore preferred that the well 2 is the regular notch of band in round.
In a kind of preferred embodiment of the utility model, the well 2 is vertical or is obliquely installed in micro-fluidic core On piece 1.
As a preferred embodiment, vertical or be obliquely installed and be more conducive to sample in the well 2 on micro-fluidic chip 1 The dropwise addition of product.
In a kind of preferred embodiment of the utility model, washer 21 is additionally provided on the well 2.
As a preferred embodiment, the washer 21 being arranged on well 2 has one fixed width, with vacuum chuck 3 Cooperation, increases tight type, meanwhile, the width of well 2 improves fault-tolerant to the interference fit of vacuum chuck 3 and well 2 Rate.
In a kind of preferred embodiment of the utility model, 3 upper end of vacuum chuck is connected with pipeline 5, and vacuum is inhaled 3 lower end of disk and the retractable connection of well 2.
In above-mentioned preferred embodiment, the pipeline 5 includes pressure piping and absorption pipeline.
As a preferred embodiment, the pressure piping can make by adjusting pressure in pressure piping It obtains liquid in well 2 and maintains the level of liquid level required for corresponding cell experiment.
As a preferred embodiment, the absorption pipeline can directly siphon away 2 residual liquid of well, guarantee to add The cleaning in sample hole 2 utmostly avoids cross contamination between sample.
In a kind of preferred embodiment of the utility model, the part that the pipeline 5 is connect with vacuum chuck 3 is by conduction Material is made, and is connected to ground terminal by conducting wire.
As a preferred embodiment, the part that above-mentioned pipeline 5 is connect with vacuum chuck 3 is made by conductive material, And ground terminal is connected to by conducting wire.In the detection process, the fluid that electric conductivity is greatly reduced in the conducting wire of ground connection flows through pipeline 5 The electromagnetic radiation from environment of introducing interferes, and can be very good to avoid the signal-to-noise ratio interference in detection environment.
In above-mentioned preferred embodiment, the conductive material is metal pipe material;
Preferably, the metal pipe material is 316L stainless steel pipe.
In a kind of preferred embodiment of the utility model, the top cover 4 is rotatable top cover.
In above-mentioned preferred embodiment, the top cover 4 is connected by rotating with cytoanalyze lock, and then is compressed and added Sample hole 2 and vacuum chuck 3.
One aspect according to the present utility model, a kind of cytoanalyze, the cytoanalyze include above-mentioned micro-fluidic Chip is loaded sealing system.
Cytoanalyze provided by the utility model, the cytoanalyze include above-mentioned micro-fluidic chip sample-adding sealing system System, the sample-adding sealing system is it is possible to prevente effectively from existing cytoanalyze test sample sample carryover easily occurs when being loaded, in turn The problem of leading to test sample cross contamination.
Embodiment 2
A kind of cytoanalyze, the cytoanalyze include above-mentioned micro-fluidic chip sample-adding sealing system.
Cytoanalyze provided in this embodiment, the cytoanalyze include above-mentioned micro-fluidic chip sample-adding sealing system System, the sample-adding sealing system is it is possible to prevente effectively from existing cytoanalyze test sample sample carryover easily occurs when being loaded, in turn The problem of leading to test sample cross contamination.
In conclusion micro-fluidic chip sample-adding sealing system provided by the utility model is mainly by being set to micro-fluidic chip Well 2 on 1 is matched with the top cover 4 for being provided with vacuum chuck 3 to be combined into;The width of the well 2 and the width of vacuum chuck 3 Degree is adapted.Above-mentioned well 2 is set on micro-fluidic chip 1, and sample is firstly added in well 2, then passes through top cover 4 Push, make well 2 with and the compatible vacuum chuck 3 of its width close combination, form a sealing structure, and then avoid examining The pollution of sample during survey.Well 2 just divides with vacuum chuck 3 only in the very short time of sample-adding in the utility model It opens, other time is and vacuum chuck 3 forms sealing system.The sample-adding sealing system effectively avoids impurity from entering detection system, Avoid the problem of entrance of impurity in existing sample adding system interferes testing result or sense channel is caused to block.Into one Step, the cytoanalyze including above-mentioned micro-fluidic chip sample-adding sealing system is it is possible to prevente effectively from existing cytoanalyze detects The problem of easily occurring sample carryover when sample pipetting volume, and then leading to test sample cross contamination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of micro-fluidic chip is loaded sealing system, which is characterized in that the sample-adding sealing system is mainly by being set to miniflow Well (2) in control chip (1) is matched with the top cover (4) for being provided with vacuum chuck (3) to be combined into;
The width of the well (2) is adapted with the width of vacuum chuck (3).
2. micro-fluidic chip according to claim 1 is loaded sealing system, which is characterized in that the well (2) is vertical Or it is obliquely installed on micro-fluidic chip (1).
3. micro-fluidic chip according to claim 1 is loaded sealing system, which is characterized in that on the well (2) also It is provided with washer (21).
4. micro-fluidic chip according to claim 1 is loaded sealing system, which is characterized in that on the vacuum chuck (3) End is connected with pipeline (5), vacuum chuck (3) lower end and well (2) retractable connection.
5. micro-fluidic chip according to claim 4 is loaded sealing system, which is characterized in that the pipeline (5) includes pressure Solenoid road and absorption pipeline.
6. micro-fluidic chip according to claim 4 is loaded sealing system, which is characterized in that the pipeline (5) and vacuum The part of sucker (3) connection is made by conductive material, and is connected to ground terminal by conducting wire.
7. micro-fluidic chip according to claim 6 is loaded sealing system, which is characterized in that the conductive material is metal Tubing.
8. micro-fluidic chip according to claim 1 is loaded sealing system, which is characterized in that the top cover (4) is that can revolve Turn top cover.
9. micro-fluidic chip according to claim 8 is loaded sealing system, which is characterized in that the top cover (4) passes through rotation Turn to connect with cytoanalyze lock, and then compresses well (2) and vacuum chuck (3).
10. a kind of cytoanalyze, which is characterized in that the cytoanalyze includes according to any one of claims 1 to 9 micro- Fluidic chip is loaded sealing system.
CN201820875717.4U 2018-06-05 2018-06-05 Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it Active CN208459416U (en)

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Application Number Priority Date Filing Date Title
CN201820875717.4U CN208459416U (en) 2018-06-05 2018-06-05 Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108459172A (en) * 2018-06-05 2018-08-28 江苏卓微生物科技有限公司 Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108459172A (en) * 2018-06-05 2018-08-28 江苏卓微生物科技有限公司 Micro-fluidic chip is loaded sealing system and the cytoanalyze comprising it

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