CN214067177U - Pressure control assembly and immunodiagnostic system - Google Patents

Pressure control assembly and immunodiagnostic system Download PDF

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Publication number
CN214067177U
CN214067177U CN202022376173.7U CN202022376173U CN214067177U CN 214067177 U CN214067177 U CN 214067177U CN 202022376173 U CN202022376173 U CN 202022376173U CN 214067177 U CN214067177 U CN 214067177U
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valve body
communicated
valve
cleaning liquid
interface
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CN202022376173.7U
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于鸫
刘丽萍
祁世泽
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Guangdong Weishi Biotechnology Co Ltd
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Guangdong Weishi Biotechnology Co Ltd
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Abstract

The application relates to the technical field of biomedical detection, in particular to a pressure control assembly and an immunodiagnosis system. The pressure control assembly includes a valve body and a pressure regulating device mounted on the valve body. The valve body is used for being pressed on the card box and is provided with a first interface and a second interface; the first port can be in communication with a gas supply port of a first chamber of the cartridge and the second port can be in communication with a gas supply port of a second chamber of the cartridge. The pressure regulating device is installed on the valve body, a gas interface communicated with an external gas source is arranged on the side wall of the valve body, the first interface and the second interface can be communicated with the gas interface through the pressure regulating device, and therefore the preset pressure can be applied to the sample in the first cavity or the second cavity through the pressure regulating device, the sample in the first cavity or the second cavity is pushed to flow to the next procedure, and the control of the sample flowing in the cartridge is achieved.

Description

Pressure control assembly and immunodiagnostic system
Technical Field
The application relates to the technical field of biomedical detection, in particular to a pressure control assembly and an immunodiagnosis system.
Background
In the existing microfluidic cartridge for immunoassay, various chambers and microchannels for communicating the chambers are integrated in the cartridge, so as to realize automatic processing of a sample to be detected, such as sample introduction, volume quantification and sample pretreatment, and even a series of operations and processing related to biomedical detection, such as a sample reaction process, detection signal reading and the like. However, in the process of processing the sample by the cartridge, the sample needs to flow in the cartridge according to a predetermined operation flow by auxiliary equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure control subassembly and immunodiagnosis system to promote the sample in the card box to flow.
The utility model provides a pressure control assembly, which comprises a valve body and a pressure adjusting device; the valve body is used for being pressed on the clamping box; a first interface and a second interface are formed on one side, facing the card box, of the valve body; the first interface corresponds to and is communicated with an air supply port of a first chamber of the card box, and the second interface corresponds to and is communicated with an air supply port of a second chamber of the card box; the valve body is provided with a gas interface which is used for being communicated with an external gas source; the pressure regulating device is mounted on the valve body, and the first interface and the second interface can be communicated with the gas interface through the pressure regulating device so as to apply preset pressure to the first chamber and the second chamber.
Further, a third interface is formed on one side, facing the card box, of the valve body, and corresponds to and is communicated with an exhaust port of a third chamber of the card box; the valve body is formed with an unloading interface which can be communicated with the third interface.
Further, an air inlet flow channel is formed in the valve body; one end of the air inlet flow channel is communicated with the air interface, and the other end of the air inlet flow channel is communicated with the air inlet of the pressure adjusting device.
Further, the pressure control assembly further comprises a first valve mounted on the valve body; a first flow passage is formed in the valve body, one end of the first flow passage can be communicated with an air outlet of the pressure regulating equipment, and the other end of the first flow passage is communicated with the first connector through the first valve; the first valve is used for opening or closing the first flow passage.
Further, the pressure control assembly further comprises a second valve mounted on the first valve body; a second flow passage is formed in the valve body, one end of the second flow passage can be communicated with the air outlet of the pressure regulating equipment, and the other end of the second flow passage is communicated with the second connector through the second valve; the second valve is used for opening or closing the second flow passage.
Further, the valve also comprises a three-way valve arranged on the valve body; the three-way valve comprises an air inlet of the three-way valve, a first outlet of the three-way valve and a second outlet of the three-way valve; the valve body forms an air supply flow channel, one end of the air supply flow channel is communicated with an air outlet of the pressure regulating equipment, and the other end of the air supply flow channel is communicated with the first flow channel and the second flow channel; the three-way valve is connected to the gas supply flow channel through a gas inlet of the three-way valve and a first outlet of the three-way valve so as to open or close the gas supply flow channel; the pressure control assembly further includes a muffler mounted on the valve body; an emptying flow passage is formed in the valve body, and the silencer is communicated with a second outlet of the three-way valve through the emptying flow passage.
Further, the pressure control assembly further comprises a third valve mounted on the valve body; a third flow passage is formed in the valve body; one end of the third flow passage is communicated with the exhaust port, and the other end of the third flow passage is communicated with the unloading interface through the third valve; the third valve is used for opening or closing the third flow passage.
Further, the pressure control assembly further comprises a fourth valve mounted on the valve body; a fourth flow passage is formed in the valve body; one end of the fourth flow channel is communicated with the fourth interface, and the other end of the fourth flow channel is communicated with the liquid inlet through the fourth valve; the fourth valve is used for opening or closing the fourth flow passage.
Furthermore, the number of the air supply ports of the second chamber is multiple, the number of the second ports is multiple, and the multiple second ports are in one-to-one correspondence with and communicated with the air supply ports of the multiple second chambers; the number of the exhaust ports of the third chamber is multiple, the number of the third ports is multiple, and the third ports are in one-to-one correspondence with and communicated with the exhaust ports of the third chamber; the cleaning liquid cleaning device comprises a cleaning liquid inlet, a cleaning liquid outlet, a cleaning liquid inlet, a cleaning liquid outlet, a cleaning liquid inlet, a cleaning liquid outlet, a cleaning liquid and a cleaning liquid outlet, a cleaning liquid and a cleaning liquid, a cleaning liquid outlet, a cleaning liquid and a cleaning liquid, a cleaning liquid, cleaning liquid, a cleaning liquid, a cleaning liquid, a plurality of cleaning liquid, a plurality of cleaning liquid.
The utility model also provides an immunodiagnosis system, including above-mentioned arbitrary pressure control subassembly.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pressure control subassembly includes the valve body and installs the pressure regulating equipment on the valve body. The valve body is used for being pressed on the card box, and a first interface and a second interface are arranged on the end face of one end, facing the card box, of the valve body; and when the valve body is pressed on the card box, the first interface of the valve body can be communicated with the gas supply port of the first chamber of the card box, and the second interface can be communicated with the gas supply port of the second chamber of the card box. The pressure regulating device is installed on the valve body, a gas interface communicated with an external gas source is arranged on the side wall of the valve body, the first interface and the second interface can be communicated with the gas interface through the pressure regulating device, and therefore the preset pressure can be applied to the sample in the first cavity or the second cavity of the clamping box through the pressure regulating device, the sample in the first cavity or the second cavity is pushed to flow to the next process, and the flow of the sample in the clamping box is controlled.
The utility model also provides an immunodiagnosis system, include the pressure control subassembly, therefore immunodiagnosis system also has the beneficial effect of pressure control subassembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pressure control assembly according to an embodiment of the present invention at a first viewing angle;
fig. 2 is a schematic structural diagram of the pressure control assembly according to the embodiment of the present invention at a second viewing angle;
fig. 3 is a schematic structural diagram of a pressure control assembly provided by an embodiment of the present invention at a third viewing angle;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
fig. 5 is a cross-sectional view taken at B-B in fig. 3.
Reference numerals:
1-a valve body, 11-a first interface, 12-a second interface, 13-a third interface, 14-a fourth interface, 15-a gas interface, 16-an unloading interface, 17-a liquid inlet, 18-a third flow channel, 19-a fourth flow channel, 2-a pressure adjusting device, 3-a first valve, 4-a second valve, 5-a three-way valve, 6-a third valve, 7-a fourth valve and 8-a silencer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The pressure control assembly and the immunodiagnostic system according to some embodiments of the present application are described below with reference to fig. 1-5.
The present application provides a pressure control assembly that can act on a cartridge to control the flow of a sample within the cartridge.
As shown in fig. 1 and 2, the pressure control assembly comprises a valve body 1 and a pressure regulating device 2, wherein the valve body 1 is used for being pressed on a card box, a first chamber, a second chamber and a third chamber are formed in the card box, the first chamber is used as a sample chamber for storing a sample to be detected, the second chamber is used as a quantifying chamber for quantifying the sample, and the third chamber is used as a waste liquid pool for recovering waste liquid generated in the detection process; a shunting chamber, a detection zone and a micro-channel are also formed in the cartridge, and the sample chamber, the quantification chamber, the shunting chamber, the detection zone and the waste liquid pool are communicated in sequence through the micro-channel. An air supply port of the sample chamber, an air supply port of the quantitative chamber, a discharge port of the quantitative chamber and an exhaust port of the waste liquid pool are formed on the upper end surface of the card box facing the valve body, wherein the air supply port of the sample chamber is communicated with the micro-channel at the front end of the sample chamber, the air supply port of the quantitative chamber and the discharge port of the quantitative chamber are respectively communicated with the micro-channel at the front end and the rear end of the quantitative chamber, and a drain film covers the discharge port of the quantitative chamber; the exhaust port of the waste liquid pool is communicated with the waste liquid pool.
The end surface of one end of the valve body 1 facing the card box is provided with a first interface 11, a second interface 12 and a third interface 13; and when the valve body 1 is pressed on the card box, the first interface 11 of the valve body 1 can be communicated with the air supply port of the sample chamber of the card box, the second interface 12 can be communicated with the air supply port of the quantitative chamber of the card box, and the third interface 13 can be communicated with the air exhaust port of the waste liquid pool of the card box.
The pressure regulating device 2 is arranged on the valve body 1, and the pressure regulating device 2 is provided with an air inlet and an air outlet; the side wall of the valve body 1 is provided with a gas interface 15 communicated with an external gas source, a gas inlet flow channel is formed in the valve body 1, one end of the gas inlet flow channel is communicated with the gas interface 15, the other end of the gas inlet flow channel is communicated with a gas inlet of the pressure adjusting device 2 so as to introduce external gas into the valve body 1 and enter the pressure adjusting device 2, and the external gas can be discharged from a gas outlet of the pressure adjusting device 2 after the pressure of the external gas is adjusted to a preset pressure through the pressure adjusting device 2. Preferably, the pressure regulating device 2 is a pressure regulator.
The valve body 1 is integrated with a gas supply module to supply gas adjusted to a predetermined pressure via the pressure regulating device 2 to the first connection 11 and the second connection 12. Preferably, the gas supply module comprises a gas supply flow passage, a first flow passage and a second flow passage, and a three-way valve 5, a first valve 3 and a second valve 4 mounted on the valve body 1; one end of the air supply channel is communicated with the air outlet of the pressure adjusting device 2, one end of the first channel and one end of the second channel can be respectively communicated with the other end of the air supply channel, which is far away from the pressure adjusting device 2, the other end of the first channel can be communicated with the first connector 11, and the other end of the second channel can be communicated with the second connector 12.
The three-way valve 5 comprises three interfaces which are respectively an air inlet, a first outlet and a second outlet; the three-way valve 5 is connected to the air supply flow passage through an air inlet and a first outlet thereof, and the air supply flow passage can be opened or closed through the three-way valve 5. The first valve 3 and the second valve 4 are two-way valves, each of which comprises an air inlet and an air outlet, the first valve 3 is connected to the first flow passage through the air inlet and the air outlet, the first flow passage can be opened or closed through the first valve 3, the second valve 4 is connected to the second flow passage through the air inlet and the air outlet, and the second flow passage can be opened or closed through the second valve 4.
Thus, when the inlet of the three-way valve 5 is communicated with the first outlet, if the first valve 3 is opened, the gas with the predetermined pressure at the outlet of the pressure regulating device 2 can be delivered to the sample chamber via the gas supply flow passage, the first port 11 and the gas supply port of the sample chamber to provide the pushing force to the sample in the sample chamber; if the second valve 4 is opened, a gas having a predetermined pressure can be supplied to the quantitative chamber through the gas supply flow channel, the second port 12 and the gas supply port of the quantitative chamber to provide an urging force to the sample in the quantitative chamber.
The valve body 1 is formed with an unloading interface 16, as shown in fig. 3 and 5, a third flow passage 18 is formed in the valve body 1, one end of the third flow passage 18 is communicated with the unloading interface 16, and the other end of the third flow passage 18 is communicated with the third interface 13, so that the unloading interface 16 can be communicated with the waste liquid pool to unload the pressure of the waste liquid pool and the valve body 1 through the unloading interface 16. Preferably, the valve body 1 is provided with a third valve 6, the third valve 6 is a two-way valve and comprises an air inlet and an air outlet, the third valve 6 is connected to the third flow channel 18 through the air inlet and the air outlet, and the third flow channel 18 can be opened or closed through the third valve 6, so that the unloading of the valve body 1 is controlled through the third valve 6.
In the specific operation process, the valve body 1 is pressed on the card box, the first interface 11 of the valve body 1 corresponds to and is communicated with the air supply port of the sample chamber, and the second interface 12 corresponds to and is communicated with the air supply port of the quantitative chamber; the third interface 13 corresponds to and communicates with the exhaust port of the waste liquid tank.
Then the third valve 6 is closed to prevent the gas in the cassette from being discharged through the unloading interface 16, and the second valve 4 is closed to cut off the second flow passage; opening the three-way valve 5 to enable the air inlet of the three-way valve 5 to be communicated with the first outlet of the three-way valve 5, and opening the first valve 3 to open the first flow passage; the gas of external air source can enter the valve body 1 and is after the pressure regulating device 2 pressure regulating, through air feed runner and first runner to the gaseous of sample room delivery with predetermined pressure to with the sample propelling movement in the sample room to the ration indoor, the indoor gas of ration passes hydrophobic membrane and discharges via ration room discharge opening. Since the third flow channel 18 is closed by the third valve 6, air in the diversion chamber and the rear end of the diversion chamber cannot be discharged, and the sample in the sample chamber cannot flow into the diversion chamber.
After the quantitative chamber is filled with the sample, the first valve 3 is closed, the third valve 6 is opened to open the third flow channel 18, and the gas in the cartridge can be discharged through the third flow channel 18 to realize the unloading of the internal pressure of the cartridge; the second valve 4 is opened to open the second flow passage, and the gas with the predetermined pressure after being adjusted by the pressure adjusting device 2 acts on the sample in the quantitative chamber through the second flow passage, the second interface 12 and the quantitative chamber gas supply port to push the sample in the quantitative chamber to the diversion chamber; after the shunting chamber is filled with the sample, the second valve 4 and the third valve 6 are closed, so that the sample stays in the shunting chamber for a certain time to dissolve the freeze-dried fluorescent reagent stored in the shunting chamber; then the second valve 4 and the third valve 6 are opened again, the sample is pushed to the detection area, the second valve 4 and the third valve 6 are closed, and the sample stays in the detection area for detection.
In one embodiment of the present application, as shown in fig. 3 and 4, a fourth interface 14 is formed on one side of the valve body 1 facing the cartridge, and a cleaning solution interface is formed on one end surface of the cartridge facing the valve body 1, and the cleaning solution interface can communicate with the detection area of the cartridge through the internal flow channel of the cartridge. When the valve body 1 is pressed on the card box, the fourth interface 14 can correspond to and be communicated with the cleaning liquid interface; the valve body 1 is provided with a liquid inlet 17 communicated with an external cleaning liquid supply device, a fourth flow passage 19 is formed in the valve body 1, one end of the fourth flow passage 19 is communicated with the fourth interface 14, and the other end of the fourth flow passage 19 is communicated with the liquid inlet 17. The valve body 1 is provided with a fourth valve 7, the fourth valve 7 is a two-way valve and comprises an inlet and an outlet, the fourth valve 7 is connected to the fourth flow passage 19 through the inlet and the outlet, and the fourth flow passage 19 is opened or closed through the fourth valve 7.
After the sample is detected in the detection area, the third valve 6 is opened, then the fourth valve 7 is opened, so that the cleaning solution can flow into the card box through the fourth flow channel 19, and the cleaning solution flows into the detection area through the internal flow channel of the card box to clean the sample, and the cleaned waste liquid flows into the waste liquid pool.
In one embodiment of the present application, as shown in fig. 1, a muffler 8 is installed on a valve body 1, an evacuation flow passage is formed in the valve body 1, one end of the evacuation flow passage is communicated with the muffler 8, and the other end of the evacuation flow passage is communicated with a second outlet of a three-way valve 5, when a first valve 3 and a second valve 4 are closed, the three-way valve 5 is operated to communicate an air inlet of the three-way valve 5 with the second outlet thereof, so as to evacuate air entering the valve body 1, and noise generated during evacuation is reduced by the muffler 8.
In one embodiment of the present application, the first valve 3, the second valve 4, the third valve 6, the fourth valve 7 and the three-way valve 5 are preferably all solenoid valves.
In one embodiment of the present application, preferably, as shown in fig. 2, a plurality of quantification chambers are formed in the cartridge, each quantification chamber corresponding to one of the diversion chamber, the plurality of detection regions, and one of the waste liquid pools; the front end of each quantitative chamber is provided with an air supply port of the quantitative chamber, the card box is provided with a plurality of cleaning liquid interfaces so as to clean each detection area, and each waste liquid pool is correspondingly provided with an exhaust port of the waste liquid pool.
The number of the second ports 12 on the valve body 1 is plural, the plural second ports 12 are all communicated with the second flow passage, and the plural second ports 12 are in one-to-one correspondence and communication with the air supply ports of the plural quantitative chambers.
The number of the third interfaces 13 on the valve body 1 is multiple, the multiple third interfaces 13 are all communicated with the third flow channel 18, and the multiple third interfaces 13 are in one-to-one correspondence and communication with the exhaust ports of the multiple waste liquid pools.
The number of the fourth ports 14 on the valve body 1 is multiple, the multiple fourth ports 14 are all communicated with the fourth flow channel 19, and the multiple fourth ports 14 are in one-to-one correspondence and communication with the multiple cleaning liquid ports.
Thereby enabling the cartridge to perform multiple sets of assays on a sample simultaneously.
The present application also provides an immunodiagnostic system comprising the pressure control assembly of any of the embodiments described above.
In this embodiment, the immunodiagnostic system includes the pressure control component, so the immunodiagnostic system has all the benefits of the pressure control component, and the details are not repeated herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (11)

1. A pressure control assembly comprising a valve body and a pressure regulating device;
the valve body is used for being pressed on a clamping box which is provided with a first cavity and a second cavity;
a first interface and a second interface are formed on one side, facing the card box, of the valve body;
the first interface corresponds to and is communicated with an air supply port of a first chamber of the card box, and the second interface corresponds to and is communicated with an air supply port of a second chamber of the card box;
the valve body is provided with a gas interface communicated with an external gas source; the pressure regulating device is mounted on the valve body, and the first interface and the second interface can be communicated with the gas interface through the pressure regulating device so as to apply preset pressure to the first chamber and the second chamber.
2. A pressure control assembly according to claim 1, wherein a side of the valve body facing the cartridge forms a third port corresponding to and communicating with the exhaust port of the third chamber of the cartridge;
the valve body is formed with an unloading interface which can be communicated with the third interface.
3. The pressure control assembly of claim 2, wherein a side of the valve body facing the cartridge is formed with a fourth port corresponding to and communicating with a cleaning fluid port of the cartridge;
the valve body is provided with a liquid inlet which is communicated with an external cleaning liquid supply device, and the liquid inlet can be communicated with the fourth interface so as to convey cleaning liquid into the card box.
4. The pressure control assembly of claim 1, wherein an intake runner is formed in the valve body;
one end of the air inlet flow channel is communicated with the air interface, and the other end of the air inlet flow channel is communicated with the air inlet of the pressure adjusting device.
5. The pressure control assembly of claim 4, further comprising a first valve mounted to the valve body;
a first flow passage is formed in the valve body, one end of the first flow passage can be communicated with an air outlet of the pressure regulating equipment, and the other end of the first flow passage is communicated with the first connector through the first valve;
the first valve is used for opening or closing the first flow passage.
6. The pressure control assembly of claim 5, further comprising a second valve mounted to the valve body;
a second flow passage is formed in the valve body, one end of the second flow passage can be communicated with the air outlet of the pressure regulating equipment, and the other end of the second flow passage is communicated with the second connector through the second valve;
the second valve is used for opening or closing the second flow passage.
7. The pressure control assembly of claim 6, further comprising a three-way valve mounted on the valve body;
the three-way valve comprises an air inlet, a first outlet and a second outlet;
the valve body forms an air supply flow channel, one end of the air supply flow channel is communicated with an air outlet of the pressure regulating equipment, and the other end of the air supply flow channel is communicated with the first flow channel and the second flow channel;
the three-way valve is connected to the gas supply flow channel through a gas inlet of the three-way valve and a first outlet of the three-way valve so as to open or close the gas supply flow channel;
the pressure control assembly further includes a muffler mounted on the valve body;
an emptying flow passage is formed in the valve body, and the silencer is communicated with a second outlet of the three-way valve through the emptying flow passage.
8. The pressure control assembly of claim 2, further comprising a third valve mounted to the valve body;
a third flow passage is formed in the valve body;
one end of the third flow passage is communicated with the exhaust port, and the other end of the third flow passage is communicated with the unloading interface through the third valve;
the third valve is used for opening or closing the third flow passage.
9. The pressure control assembly of claim 3, further comprising a fourth valve mounted to the valve body;
a fourth flow passage is formed in the valve body;
one end of the fourth flow channel is communicated with the fourth interface, and the other end of the fourth flow channel is communicated with the liquid inlet through the fourth valve;
the fourth valve is used for opening or closing the fourth flow passage.
10. The pressure control assembly of claim 3, wherein the second chamber has a plurality of air supply ports, the second ports have a plurality of air supply ports, and the plurality of second ports are in one-to-one correspondence with and communicate with the plurality of air supply ports of the second chamber;
the number of the exhaust ports of the third chamber is multiple, the number of the third ports is multiple, and the third ports are in one-to-one correspondence with and communicated with the exhaust ports of the third chamber;
the cleaning liquid cleaning device comprises a cleaning liquid inlet, a cleaning liquid outlet, a cleaning liquid inlet, a cleaning liquid outlet, a cleaning liquid inlet, a cleaning liquid outlet, a cleaning liquid and a cleaning liquid outlet, a cleaning liquid and a cleaning liquid, a cleaning liquid outlet, a cleaning liquid and a cleaning liquid, a cleaning liquid, cleaning liquid, a cleaning liquid, a cleaning liquid, a plurality of cleaning liquid, a plurality of cleaning liquid.
11. An immunodiagnostic system comprising the pressure control assembly of any of claims 1 to 10.
CN202022376173.7U 2020-10-22 2020-10-22 Pressure control assembly and immunodiagnostic system Active CN214067177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022376173.7U CN214067177U (en) 2020-10-22 2020-10-22 Pressure control assembly and immunodiagnostic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022376173.7U CN214067177U (en) 2020-10-22 2020-10-22 Pressure control assembly and immunodiagnostic system

Publications (1)

Publication Number Publication Date
CN214067177U true CN214067177U (en) 2021-08-27

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Application Number Title Priority Date Filing Date
CN202022376173.7U Active CN214067177U (en) 2020-10-22 2020-10-22 Pressure control assembly and immunodiagnostic system

Country Status (1)

Country Link
CN (1) CN214067177U (en)

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