CN205361375U - Microfluid chip - Google Patents
Microfluid chip Download PDFInfo
- Publication number
- CN205361375U CN205361375U CN201521129180.XU CN201521129180U CN205361375U CN 205361375 U CN205361375 U CN 205361375U CN 201521129180 U CN201521129180 U CN 201521129180U CN 205361375 U CN205361375 U CN 205361375U
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- China
- Prior art keywords
- cap rock
- sensing chamber
- upper cap
- micro
- fluid
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Abstract
The utility model provides a microfluid chip has up repeatedly connect glass substrate layer, intermediate level in proper order and has gone up the cap rock under following, glass substrate layer, intermediate level and last cap rock match and define out the annular miniflow of confined way and detect the room, the miniflow way is located the outside of detecting the room to with detect the room intercommunication, it is equipped with the fluid filling opening that feeds through with the miniflow way to go up cap rock one side, it is equipped with the exhaust hole at the other end of miniflow way to go up the cap rock. Adopt the technical scheme of the utility model, easy operation, the short -term test is realized to calculation test samples's that can be convenient area, the result is more accurate, through setting up the exhaust hole for the flow of fluid resistance that awaits measuring reduces, and it is quicker to flow, realizes quick the packing and detects the room, has improved efficiency, to the blood sample, test time is long can not to arouse that blood solidifies fast, has improved the accuracy of test result yet, the material is easy, simple manufacture, the cost is reduced.
Description
Technical field
This utility model belongs to technical field of medical instrument, particularly relates to a kind of micro-fluid chip.
Background technology
At present, hospital is when detecting blood sample or humoral sample, it is generally adopted microscope slide as carrier, blood sample or humoral sample are spread upon above, operate cumbersome, waste time and energy, and when being calculated area of detection, microscope slide is adopted to estimate roughly so that the error of the result arrived is big；It addition, for blood sample, if the testing time is long, blood can solidify, and affects the accuracy of test result.
Utility model content
For above technical problem, this utility model provides a kind of micro-fluid chip, simple to operate, in that context it may be convenient to calculate the area of detection sample, it is achieved quickly detect, reduce cost, improve efficiency.
To this, the technical solution of the utility model is:
A kind of micro-fluid chip, repeatedly it is connected to glass substrate layer, intermediate layer and upper cap rock successively from the bottom up, match the annular fluid channel and sensing chamber that define closing with upper cap rock for described glass substrate layer, intermediate layer, described fluid channel is positioned at the outside of sensing chamber, and connect with sensing chamber, described upper cap rock side is provided with the fluid-infusing port connected with fluid channel, and described upper cap rock is provided with steam vent at the other end of fluid channel.Adopt this technical scheme, simple to operate, in that context it may be convenient to calculate the area of detection sample, and the setting time of blood sample can be extended, it is achieved quickly detect, reduce cost, improve efficiency.By arranging steam vent so that treat that the flow resistance of fluid measured reduces, flow more rapid, it is achieved Fast Filling sensing chamber.
As further improvement of the utility model, described intermediate layer is provided with hollow slots, and the reverse side of described upper cap rock is provided with projection, the border of described projection, hollow slots border and glass substrate layer between match and define the fluid channel of annular；Sensing chamber is formed between described projection and glass substrate layer.Wherein, the height of described projection is less than the degree of depth of described hollow slots.
As further improvement of the utility model, described intermediate layer is pressure sensitive adhesive tape.Adopt this technical scheme, material is easy to get, and the processing technology of pressure sensitive adhesive tape can its thickness of control of precision, so adopting this technical scheme, the degree of depth and the size of fluid channel can be accurately controlled, also allow for controlling the degree of depth of sensing chamber so that the thickness deviation of each sensing chamber of micro-fluid chip is little simultaneously, concordance is high, improves the accuracy of detection.
As further improvement of the utility model, the material of described upper cap rock is PMMA, PP or PE.
As further improvement of the utility model, the thickness in described intermediate layer is 0.2 ~ 2.0mm.
As further improvement of the utility model, the degree of depth of described sensing chamber is 50 ~ 125 μm.
As further improvement of the utility model, it is positioned at the upper cap rock above sensing chamber and is provided with the labelling point of detection and localization area.
As further improvement of the utility model, described labelling point has five, and wherein four labelling points are positioned on four angles of the upper cap rock above sensing chamber, and a labelling point is positioned at the middle part of cap rock.
As further improvement of the utility model, described sensing chamber is more than three.Preferably, described sensing chamber is 5, and each sensing chamber is separated from each other.
Compared with prior art, the beneficial effects of the utility model are:
First, adopt the technical solution of the utility model, simple to operate, in that context it may be convenient to calculate the area of detection sample, it is achieved quickly detect, precision is high, and result is more accurate；By arranging steam vent so that treat that the flow resistance of fluid measured reduces, flow more rapid, it is achieved Fast Filling sensing chamber, improve efficiency.
Second, adopt the technical solution of the utility model, for blood sample, testing time length, without causing blood rapid solidification, improves the accuracy of test result.
3rd, adopt the technical solution of the utility model, material is easy to get, and makes simple, reduces cost.
Accompanying drawing explanation
Fig. 1 is the top view of a kind of embodiment of this utility model；
Fig. 2 is this utility model one embodiment decomposition texture schematic diagram.
Fig. 3 is the structural representation in the intermediate layer of a kind of embodiment of this utility model.
Fig. 4 is the structural representation of the reverse side of the upper cap rock of a kind of embodiment of this utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 ~ Fig. 4, a kind of micro-fluid chip, repeatedly it is connected to glass substrate layer 1, intermediate layer 2 and upper cap rock 3 successively from the bottom up, match the annular fluid channel 4 and sensing chamber 5 that define closing with upper cap rock 3 for described glass substrate layer 1, intermediate layer 2, described fluid channel 4 is positioned at the periphery of sensing chamber 5, and connect with the surrounding of sensing chamber 5, described upper cap rock 3 side is provided with the fluid-infusing port 6 connected with fluid channel 4, and described upper cap rock 3 is provided with steam vent 7 at the other end of fluid channel 4.Described intermediate layer 2 is provided with hollow slots 21, and the reverse side of described upper cap rock 3 is provided with projection 31, the border of described projection 31, hollow slots 21 border and glass substrate layer 1 between match and define the fluid channel 4 of annular；Sensing chamber 5 is formed between described projection 31 and glass substrate layer 1.Wherein, the height of described projection 31 is less than the degree of depth of described hollow slots 21.Described intermediate layer 2 is pressure sensitive adhesive tape, the material of described upper cap rock 3 is PMMA, and the thickness in described intermediate layer 2 is 0.2 ~ 2.0mm, and described glass substrate layer surface 1 is flat, the degree of depth of the fluid channel 4 namely formed is 0.2 ~ 2.0mm, and the degree of depth of described sensing chamber 5 is 50 ~ 125 μm.
As shown in Figure 2 and Figure 4, it is positioned at the upper cap rock 3 above sensing chamber 5 and is provided with the labelling point 32 of detection and localization area, described labelling point 32 has five, and wherein four labelling points 32 are positioned on four angles of the upper cap rock 3 above sensing chamber 5, and a labelling point 32 is positioned at the centre of cap rock 3.
Preferably, described sensing chamber 5 is five.Each sensing chamber 5 is independent, is designed with fluid channel 4 about, and, described upper cap rock 3 side is correspondingly provided with the fluid-infusing port 6 connected with fluid channel 4, and described upper cap rock 3 is equipped with steam vent 7 at the other end of fluid channel 4.
The detailed description of the invention of the above is better embodiment of the present utility model; not limit with this and of the present utility model be embodied as scope; scope of the present utility model includes being not limited to this detailed description of the invention, and all equivalences made according to the shape of this utility model, structure change all in protection domain of the present utility model.
Claims (9)
1. a micro-fluid chip, it is characterized in that: be repeatedly connected to glass substrate layer, intermediate layer and upper cap rock successively from the bottom up, match the annular fluid channel and sensing chamber that define closing with upper cap rock for described glass substrate layer, intermediate layer, described fluid channel is positioned at the outside of sensing chamber, and connect with sensing chamber, described upper cap rock side is provided with the fluid-infusing port connected with fluid channel, and described upper cap rock is provided with steam vent at the other end of fluid channel.
2. micro-fluid chip according to claim 1, it is characterised in that: described intermediate layer is provided with hollow slots, and the reverse side of described upper cap rock is provided with projection, the border of described projection, hollow slots border and glass substrate layer between match and define the fluid channel of annular；Sensing chamber is formed between described projection and glass substrate layer.
3. micro-fluid chip according to claim 2, it is characterised in that: described intermediate layer is pressure sensitive adhesive tape.
4. micro-fluid chip according to claim 3, it is characterised in that: the material of described upper cap rock is PMMA, PP or PE.
5. micro-fluid chip according to claim 2, it is characterised in that: the thickness in described intermediate layer is 0.2 ~ 2.0mm.
6. micro-fluid chip according to claim 5, it is characterised in that: the degree of depth of described sensing chamber is 50 ~ 125 μm.
7. micro-fluid chip according to claim 6, it is characterised in that: it is positioned at the upper cap rock above sensing chamber and is provided with the labelling point of detection and localization area.
8. micro-fluid chip according to claim 7, it is characterised in that: described labelling point has five, and wherein four labelling points are positioned on four angles of the upper cap rock above sensing chamber, and a labelling point is positioned at the middle part of cap rock.
9. the micro-fluid chip according to claim 1 ~ 8 any one, it is characterised in that: described sensing chamber is more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129180.XU CN205361375U (en) | 2015-12-30 | 2015-12-30 | Microfluid chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129180.XU CN205361375U (en) | 2015-12-30 | 2015-12-30 | Microfluid chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205361375U true CN205361375U (en) | 2016-07-06 |
Family
ID=56257901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521129180.XU Expired - Fee Related CN205361375U (en) | 2015-12-30 | 2015-12-30 | Microfluid chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205361375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709316A (en) * | 2018-12-27 | 2019-05-03 | 天津昌和生物医药技术有限公司 | A kind of more target item miniflow test cards and preparation method |
| WO2019237742A1 (en) | 2018-06-12 | 2019-12-19 | 南京岚煜生物科技有限公司 | Microfluidic detection chip for multi-channel quick detecting |
-
2015
- 2015-12-30 CN CN201521129180.XU patent/CN205361375U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237742A1 (en) | 2018-06-12 | 2019-12-19 | 南京岚煜生物科技有限公司 | Microfluidic detection chip for multi-channel quick detecting |
| US11440006B2 (en) | 2018-06-12 | 2022-09-13 | Lansion Biotechnology Co., Ltd | Microfluidic detection chip for multi-channel rapid detection |
| CN109709316A (en) * | 2018-12-27 | 2019-05-03 | 天津昌和生物医药技术有限公司 | A kind of more target item miniflow test cards and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20211230 |