Kit for blood gas analyzer, and blood gas analyzer

Abstract

Provided in the present application are a kit for a blood gas analyzer, and a blood gas analyzer. The kit comprises: a kit body, which is provided with an accommodating cavity, wherein a liquid bag is provided in the accommodating cavity; a valve body assembly, which is provided with a first channel port and a second channel port, wherein the first channel port is configured to connect to the liquid bag, the second channel port is configured to output liquid, and a liquid channel is formed between the first channel port and the second channel port; and a switch assembly, which comprises a movable member located outside the liquid channel, wherein the movable member can make at least part of the liquid channel deform, thereby closing or connecting the liquid channel. In this way, the analytical accuracy of the blood gas analyzer can be effectively improved.

Description

Reagent kits for blood gas analyzers and blood gas analyzers [Technical Field]

[0001] This application relates to the field of analytical instruments, and in particular to reagent kits and blood gas analyzers. [Background Technology]

[0002] With the advancement of analytical technology, blood gas analyzers can utilize sampling components to acquire samples and / or other reagents. These sampling components are then connected to the blood gas analyzer's docking slot, allowing the samples and / or other reagents to be input into the blood gas analyzer's detection component via tubing within the docking slot. During the testing process of related blood gas analyzers, the analyzer's valve assembly connects to a liquid bag, enabling the liquid within the bag to enter the blood gas analyzer for measurement and analysis, and allowing waste liquid generated within the analyzer to flow into the liquid bag.

[0003] When the valve assembly is connected to the liquid bag, the channel is connected by connecting the inlet of the valve assembly to the outlet of the liquid bag. In related technologies, difficulties in connecting the inlet and outlet often occur, and problems such as poor connection and leakage are also prone to occur. Furthermore, in these technologies, the valve assembly can easily generate air bubbles in the liquid flowing through it during operation, thus affecting the analytical accuracy of the blood gas analyzer.

[0004] [Summary of the Invention]

[0005] This application provides a reagent kit for a blood gas analyzer. The reagent kit includes: a kit body having a receiving cavity containing a liquid bag; a valve assembly having a first channel port and a second channel port, the first channel port being for connecting to the liquid bag and the second channel port being for discharging liquid, forming a liquid channel between the first channel port and the second channel port; and a switch assembly including a movable member located outside the liquid channel, the movable member being capable of at least partially deforming the liquid channel, thereby closing or opening the liquid channel.

[0006] This application provides a blood gas analyzer, including: a device body; a reagent kit, interchangeably dockable with the device body of the blood gas analyzer; the reagent kit includes: a box body with a receiving cavity for containing a liquid bag; a valve assembly with a first channel port and a second channel port, the first channel port for connecting to the liquid bag, the second channel port for discharging liquid, and a liquid channel formed between the first channel port and the second channel port; and a switch assembly including a movable member located outside the liquid channel, the movable member being capable of deforming at least a portion of the liquid channel, thereby closing or opening the liquid channel.

[0007] Unlike existing technologies, this application discloses a reagent kit for a blood gas analyzer. The kit includes: a body with a receiving cavity for containing a liquid bag; a valve assembly with a first channel port and a second channel port, the first channel port for connecting to the liquid bag and the second channel port for discharging liquid, forming a liquid channel between the first and second channel ports; and a switch assembly including a movable member located outside the liquid channel, the movable member capable of at least partially deforming the liquid channel to close or open it. Placing the movable member outside the liquid channel effectively reduces the probability of air bubbles forming in the liquid within the channel, thereby effectively improving the analytical accuracy of the blood gas analyzer. Furthermore, placing the movable member outside the liquid channel effectively prevents contamination of the liquid flowing through the channel, thus effectively ensuring the quality of the calibration solution or other liquids in the liquid bag, further improving the analytical accuracy of the blood gas analyzer. [Attached Image Description]

[0008] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of the blood gas analyzer of this application;

[0009] Figure 2 is a partial exploded structural diagram of the blood gas analyzer of this application;

[0010] Figure 3 is a three-dimensional structural schematic diagram of an embodiment of the reagent kit shown in Figure 2;

[0011] Figure 4 is a partial exploded structure diagram of the reagent kit shown in Figure 3;

[0012] Figure 5 is a three-dimensional structural schematic diagram of the liquid valve described in Figure 4;

[0013] Figure 6 is an exploded structural diagram of the liquid valve shown in Figure 5;

[0014] Figure 7 is a structural schematic diagram of the cross section aa of the liquid valve described in Figure 5;

[0015] Figure 8 is a three-dimensional structural schematic diagram of an embodiment of the sealing component shown in Figure 6;

[0016] Figure 9 is an exploded structural diagram of the valve body assembly and switch assembly shown in Figure 5;

[0017] Figure 10 is a three-dimensional structural schematic diagram of the docking body shown in Figure 5;

[0018] Figure 11 is a three-dimensional structural schematic diagram of the transfer pipe fitting shown in Figure 4;

[0019] Figure 12 is an enlarged structural diagram of part A of the reagent kit shown in Figure 3 after the end caps have been removed;

[0020] Figure 13 is a partial structural diagram of the cross-section bb of the reagent kit shown in Figure 3.

Detailed Implementation Methods

[0021] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, it should be noted that, for ease of description, only the parts relevant to this application are shown in the accompanying drawings, not the entire structure. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0022] The terms "first," "second," etc., used in this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "featured," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0023] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] With the advancement of analytical technology, blood gas analyzers can utilize sampling components to acquire samples and / or other reagents. These sampling components are then connected to the blood gas analyzer's docking slot, allowing the samples and / or other reagents to be input into the blood gas analyzer's detection component via tubing within the docking slot. During the testing process of related blood gas analyzers, the analyzer's valve assembly connects to a liquid bag, enabling the liquid within the bag to enter the blood gas analyzer for measurement and analysis, and allowing waste liquid generated within the analyzer to flow into the liquid bag.

[0025] When the valve assembly is connected to the liquid bag, the channel is connected by connecting the inlet of the valve assembly to the outlet of the liquid bag. In related technologies, difficulties in connecting the inlet and outlet often occur, and problems such as poor connection and leakage are also prone to occur. Furthermore, in these technologies, the valve assembly can easily generate air bubbles in the liquid flowing through it during operation, thus affecting the analytical accuracy of the blood gas analyzer.

[0026] In order to improve or solve the above technical problems, this application proposes at least the following embodiments.

[0027] As shown in Figures 1-2, this application proposes a blood gas analyzer 1. The blood gas analyzer 1 may include a device body 10 and a reagent kit 20. The reagent kit 20 is interchangeably connected to the device body 10.

[0028] In some embodiments, the device body 10 may include: a sampling component (not shown), a sample analysis component (not shown), a control module (not shown), a data processing module (not shown), and a display component (not shown). The sample analysis component is used to detect samples using a test card and reagents introduced into the test card. The sampling component is used to extract and deliver liquids from the reagent kit or external sources to the test card; it is understood that the sampling component may be located on the reagent kit 20. That is, the sampling component may not be present on the device body 10. The control module is used to control the liquid extraction and detection processes. The data processing module is used to process and analyze the data generated during detection to obtain corresponding detection results. The display component is used to display information such as the detection results.

[0029] Optionally, as shown in Figures 3-4, in some embodiments, this application provides a reagent kit 20 for a blood gas analyzer 1. The reagent kit 20 includes a kit body 21, a channel assembly 250, and a liquid inlet valve 22. The kit body 21 has a receiving cavity containing a liquid bag 24, which may include any one of a standard solution bag, a cleaning solution bag, and a waste solution bag. The liquid inlet valve 22 is disposed on the kit body 21 and located between the liquid bag 24 and the channel assembly 250. The liquid inlet valve 22 is used to connect to both the liquid bag 24 and the channel assembly 250, respectively. The channel assembly 250 connects to the sample analysis component. The liquid inlet valve 22 is used to selectively connect or disconnect the channel assembly 250 and the liquid bag 24.

[0030] Specifically, the liquid bag 24, channel assembly 250, and liquid inlet valve 22 are all mounted on the main body 21. This arrangement effectively reduces the space occupied by the flow-guiding components such as the channel assembly 250 and liquid inlet valve 22 on the main body 10. Furthermore, the flow-guiding components such as the liquid bag 24, channel assembly 250, and liquid inlet valve 22 in the reagent kit 20 are prone to malfunction or damage. Therefore, by integrating these components onto the main body 21, when maintenance or replacement of these components is required, only the individual reagent kit 20 needs to be removed, and the liquid bag 24, channel assembly 250, and liquid inlet valve 22 can be repaired or replaced without disassembling the main body 10, thus effectively reducing the maintenance cost of the blood gas analyzer 1.

[0031] Furthermore, the channel assembly 250 and the liquid inlet valve 22 are disposed on the body 21, meaning that the device body 10 does not have a fluid passage, such as a liquid channel 220g (as shown in Figure 7), a gas channel, or a flow guide channel (the flow guide channel can be understood as a fluid channel disposed within the channel assembly 250), so that the reagent kit 20 is connected to the test card liquid path, but there is no liquid path connection between the reagent kit 20 and the device body 10 outside the test card. This effectively improves the convenience of connecting the reagent kit 20 and the device body 10, while also effectively preventing leakage when the reagent kit 20 and the device body 10 are connected.

[0032] Optionally, as shown in Figures 5-7, in some embodiments, the liquid inlet valve 22 includes a valve body assembly 220 and a switching assembly 221.

[0033] The valve body assembly 220 is provided with a first channel port 220a and a second channel port 220b. The first channel port 220a is used to connect to the liquid bag 24, and the second channel port 220b is used to output liquid. A liquid channel 220g is formed between the first channel port 220a and the second channel port 220b.

[0034] Furthermore, the switching assembly 221 includes a movable element 2210 (in some embodiments, the movable element 2210 is also referred to as the second part of the switching assembly 221), which is capable of deforming at least a portion of the liquid channel 220g, thereby closing or opening the liquid channel 220g, thus selectively disconnecting or connecting the channel assembly 250 and the liquid bag 24. For example, when the blood gas analyzer 1 needs to analyze a sample, the movable element 2210 can control the liquid channel 220g to open, so that the liquid in the liquid bag 24 (e.g., a calibration liquid bag containing calibration solution) can be guided to the sample analysis assembly, thereby realizing the analysis of the sample, and when sample analysis is not required, the movable element 2210 can control the liquid channel 220g to close. For example, when the fluid channel needs cleaning, the liquid channel 220g can be connected via the movable component 2210, so that the liquid channel 220g can connect with the fluid channel between the second channel port 220b and the sample analysis component. This allows the cleaning solution in the liquid bag 24 (e.g., a cleaning solution bag containing cleaning solution) to circulate within the fluid channel for cleaning. It should be noted that the deformation of the liquid channel 220g can be understood as a change in the overall or partial spatial shape of the liquid channel 220g.

[0035] Furthermore, the movable component 2210 is located outside the liquid channel 220g, that is, the movable component 2210 is placed outside the liquid channel 220g to isolate the liquid from the movable component 2210. Specifically, since the movable component 2210 needs to move or move rapidly when controlling the deformation of the liquid channel 220g, placing the movable component 2210 outside the liquid channel 220g can effectively reduce the probability of air bubbles appearing in the liquid within the liquid channel 220g, thereby effectively improving the analytical accuracy of the blood gas analyzer 1. Moreover, placing the movable component 2210 outside the liquid channel 220g can also effectively prevent the movable component 2210 from contaminating the liquid flowing through the liquid channel 220g, thereby effectively ensuring the quality of the calibration solution or other liquids in the liquid bag 24, and further effectively improving the analytical accuracy of the blood gas analyzer 1.

[0036] Optionally, as shown in FIG6, in some embodiments, the valve body assembly 220 includes: a valve body 2201 and a sealing portion (not shown). The valve body 2201 has a partial liquid channel 220g, and a second channel opening 220b is disposed in the valve body 2201; the sealing portion is disposed in the valve body 2201, and a partial liquid channel 220g is formed between the sealing portion and the valve body 2201.

[0037] For example, in some embodiments, the sealing part can be a flexible tubing such as a hose, and the sealing part is used to form a deformable portion of the liquid channel 220g. The movable part 2210 is used to deform the sealing part to deform the liquid channel 220g, thereby enabling the liquid valve 22 to selectively connect or disconnect the channel assembly 250 and the liquid bag 24.

[0038] Alternatively, in some implementations, the sealing part and the valve body 2201 can cooperate to form a deformable part of the liquid channel 220g, so that the movable part 2210 can move relative to the valve body 2201 through the holding sealing part, thereby changing the spatial shape of the part of the liquid channel 220g formed by the cooperation of the sealing part and the valve body 2201, that is, deforming the liquid channel 220g, thereby enabling the liquid valve 22 to selectively connect or disconnect the channel assembly 250 and the liquid bag 24.

[0039] Optionally, as shown in Figures 5-7, in some embodiments, the liquid channel 220g includes at least a first liquid sub-channel 220c and a second liquid sub-channel 220d, wherein the second liquid sub-channel 220d is a deformable part of the liquid channel 220g. Specifically, the first end of the first liquid sub-channel 220c is connected to the second channel port 220b, the second end of the second liquid sub-channel 220d is connected to the first end of the first liquid sub-channel 220c, and the second end of the second liquid sub-channel 220d is connected to the first channel port 220a. The first liquid sub-channel 220c is disposed on the valve body 2201. The sealing part includes a sealing assembly 2200. The sealing assembly 2200 is movably engaged with the valve body 2201 to form the second liquid sub-channel 220d together with the valve body 2201. The sealing assembly 2200 is used to move or deform relative to the valve body 2201 under the drive of the movable member 2210, so that the second liquid sub-channel 220d is closed or connected, thereby enabling the liquid valve 22 to selectively connect or disconnect the channel assembly 250 and the liquid bag 24.

[0040] Specifically, as shown in Figures 7-9, the valve body 2201 is provided with a first recess 2201a spaced apart from the second channel opening 220b. The second end of the first liquid sub-channel 220c is disposed within the first recess 2201a. The sealing assembly 2200 includes a sealing member 2203. The sealing member 2203 includes a central body portion 2203a and a connecting portion 2203b surrounding the outer edge of the central body portion 2203a. The central body portion 2203a is linked with the movable member 2210 and movably cooperates with the first recess 2201a to form the second liquid sub-channel 220d. At least a portion of the central body portion 2203a is configured to be movable relative to the valve body 2201, so that all or part of the central body portion 2203a blocks or opens the second end of the first liquid sub-channel 220c, thereby closing or connecting the liquid channel 220g. Furthermore, the connecting part 2203b is sealed and fitted to the peripheral area of ​​the first recessed part 2201a, thereby sealing the connecting part 2203b and the peripheral area of ​​the first recessed part 2201a, effectively ensuring the sealing performance of the connection between the sealing member 2203 and the valve body 2201, effectively preventing liquid from leaking out along the connection between the valve body 2201 and the sealing member 2203, thereby effectively improving the sealing performance of the liquid channel 220g and reducing the probability of internal leakage of the liquid valve 22.

[0041] Specifically, the linkage between the movable part 2210 and the central main body 2203a means that when the force-bearing part 2210 moves, it triggers the movable part 2210 to move, thereby changing the position of the movable part 2210. The following explanation applies to the linkage between two components.

[0042] Further, as shown in Figures 7-9, in some embodiments, the connecting portion 2203b or the valve body 2201 is provided with an annular sealing structure 2203g. The annular sealing structure 2203g surrounds the outer periphery of the first recess 2201a and is located between the connecting portion 2203b and the valve body 2201. The annular sealing structure 2203g is used for filling adhesive or for deforming under the mutual compression of the connecting portion 2203b and the valve body 2201 to seal the outer periphery of the first recess 2201a, thereby effectively improving the sealing performance at the connection between the plugging member 2203 and the valve body 2201. For example, if the plugging member 2203 is a flexible component, the annular sealing structure 2203g can be integrally formed as part of the plugging member 2203, on the connecting portion 2203b of the plugging member 2203. This effectively simplifies the components of the liquid valve 22 and thus effectively improves the assembly efficiency of the liquid valve 22.

[0043] Alternatively, in some embodiments, the valve body assembly 220 includes an annular seal (not shown) surrounding the outer periphery of the first recess 2201a and located between the connecting portion 2203b and the valve body 2201. This seal effectively improves the sealing performance at the connection between the sealing member 2203 and the valve body 2201. For example, the annular seal can be a rubber ring or other element with sealing properties.

[0044] Further, as shown in Figures 7-9, in some embodiments, the bottom of the first recessed portion 2201a is recessed to form a first groove 2201b, the second end of the first liquid sub-channel 220c is disposed in the first groove 2201b, and the sealing member 2203 includes a convex top structure 2203c protruding relative to the central main body portion 2203a (that is, a part of the central main body portion 2203a protrudes to form a convex top structure 2203c), the convex top structure 2203c is movably engaged with the first groove 2201b, and the convex top structure 2203c is connected to the movable member 2210 for moving relative to the valve body 2201 under the drive of the movable member 2210 to block or open the second end of the first liquid sub-channel 220c. Specifically, the first groove 2201b is the inner groove structure of the first recessed portion 2201a, that is, the first recessed portion 2201a is set as a groove-within-a-groove structure. The radial structural dimension of the first groove 2201b is smaller than that of the first recessed portion 2201a. The smaller-sized first groove 2201b is in movable cooperation with the smaller-sized convex top structure 2203c, and the movable part 2210 is connected to the convex top structure 2203c, so that the force of the movable part 2210 on the sealing part 2203 can be more effectively concentrated in the area near the second end of the first liquid sub-channel 220c. This allows the sealing part 2203 to better seal the second end of the first liquid sub-channel 220c, thereby effectively improving the sealing performance of the liquid valve 22 when it is closed, and effectively reducing the probability of gas entering the liquid bag 24 when the liquid valve 22 is closed (that is, when the liquid channel 220g is closed).

[0045] Furthermore, when the movable part 2210 controls the sealing part 2203 to open the second end of the first liquid sub-channel 220c, the central main body 2203a will be relative to the valve body 2201 to effectively expand the volume of the second liquid sub-channel 220d, thereby effectively reducing the risk of noise caused by the liquid flowing in the small volume of the second liquid sub-channel 220d when the second end of the first liquid sub-channel 220c is opened.

[0046] Optionally, as shown in Figures 7-9, in some embodiments, the sealing member 2203 also serves as a component that docks with the first channel port 220a, so that the second sub-channel docks with the first channel port 220a. This arrangement can effectively improve the component reuse rate of the liquid valve 22, thereby effectively simplifying the component composition of the liquid valve 22 and thus effectively improving the assembly efficiency of the liquid valve 22. Specifically, the sealing member 2203 also includes a flow guide 2203d, which is disposed between the connecting part 2203b and the central body part 2203a. The flow guide 2203d forms a third liquid sub-channel 220e. The first end of the third liquid sub-channel 220e is disposed on the side of the flow guide 2203d facing the valve body 2201 for docking with the second liquid sub-channel 220d, and the second end of the third liquid sub-channel 220e is disposed on the side of the flow guide 2203d away from the valve body 2201 for docking with the first channel port 220a.

[0047] Optionally, as shown in FIG7, in some embodiments, the valve body 2201 is further provided with a second groove 220f, the second groove 220f is connected to the second liquid sub-channel 220d, the second groove 220f is disposed opposite to the guide portion 2203d, and is connected to the second end of the third liquid sub-channel 220e. In this way, the first groove 2201b can serve as a buffer groove between the first end of the third liquid sub-channel 220e and the second end of the second liquid sub-channel 220d, thereby effectively reducing the operating noise of the liquid valve 22 when it is in the open state.

[0048] Optionally, as shown in FIG7, in some embodiments, the sealing assembly 2200 further includes a pressing member 2202, which is disposed on the side of the plugging member 2203 away from the valve body 2201, for pressing the connecting portion 2203b against the valve body 2201. Specifically, the hardness of the pressing member 2202 and the hardness of the valve body 2201 are both higher than the hardness of the plugging member 2203. Therefore, a pressing member 2202 is further provided on the side of the plugging member 2203 away from the valve body 2201, so that the connecting portion 2203b of the plugging member 2203 is pressed against the side of the valve body 2201 by the pressing member 2202, thereby effectively improving the sealing performance between the connecting portion 2203b and the valve body 2201.

[0049] Furthermore, as shown in Figures 7 and 9, in some embodiments, the valve body 2201 is provided with an abutment plane 2201c surrounding the first recess 2201a and protruding relative to the first recess 2201a. The connecting part 2203b is disposed opposite to the abutment plane 2201c. The pressing member 2202 is used to press the connecting part 2203b against the abutment plane 2201c. In this way, the connecting part 2203b can adhere to the abutment plane 2201c under the interaction of the pressing member 2202 and the valve body 2201, thereby effectively improving the sealing performance between the connecting part 2203b and the valve body 2201.

[0050] Optionally, as shown in Figures 7, 9, and 10, in some embodiments, the liquid-inlet valve 22 further includes a docking body 222 disposed on the housing body 21. The docking body 222 forms an accommodating space 222b with an opening, wherein the valve body 2201, the sealing assembly 2200, and the movable member 2210 are all disposed within the accommodating space 222b. Specifically, the docking body 222 serves as the docking part between the liquid-inlet valve 22 and the housing body 21, and it also forms an accommodating space 222b. The valve body assembly 220 and the switching assembly 221, such as the valve body 2201, the sealing assembly 2200, and the movable member 2210, are all disposed within the accommodating space 222b. This arrangement can effectively reduce the risk of the liquid-inlet valve 22 being accidentally opened or closed.

[0051] Furthermore, in some embodiments, the valve body 2201 is embedded in the accommodating space 222b, and the sealing component 2200 and the movable component 2210 are both located on the side of the valve body 2201 away from the opening of the accommodating space 222b. In other words, the sealing component 2200 and the movable component 2210 are both located on the side of the valve body 2201 away from the opening end of the docking body 222. This arrangement ensures that the sealing component 2200 and the movable component 2210 are located in the area between the bottom wall 222a of the docking body 222 and the valve body 2201, thereby effectively preventing either the sealing component 2200 or the movable component 2210 from being accidentally touched, which could lead to the accidental connection or closure of the liquid passage 220g, thereby effectively improving the working stability of the liquid valve 22.

[0052] Optionally, as shown in Figures 6-7, the switch assembly 221 further includes a force-receiving member 2211 (in some embodiments, the force-receiving member 2211 is also referred to as the first part of the switch assembly 221). The force-receiving member 2211 is linked with the movable member 2210, and the force-receiving member 2211 is used to receive external force so that the movable member 2210 can be moved under the action of the external force, thereby opening or closing the liquid passage 220g. Specifically, a part of the force-receiving member 2211 is located on the side of the valve body 2201 facing the opening of the accommodating space 222b, and is used to receive external force. The other part of the force-receiving member 2211 is linked and cooperates with the movable member 2210, thereby driving the movable member 2210 to move. With this configuration, the reagent kit 20 can be mechanically connected to the execution component of the blood gas analyzer 1 via the force-bearing component 2211, so that the flow of fluid on the reagent kit 20 can be controlled without the need for a liquid circuit connection between the device body 10 and the reagent kit 20. This effectively improves the convenience of docking between the reagent kit 20 and the device body 10, while also effectively preventing leakage when the reagent kit 20 and the device body 10 are docked.

[0053] For example, in some embodiments, the other part of the force-bearing member 2211 and the movable member 2210 can be linked together by magnetic coupling. Alternatively, the other part of the force-bearing member 2211 (e.g., the extension support strip 2211a of the force-bearing member 2211) can extend to the side of the valve body 2201 away from the opening of the accommodating space 222b and abut against the movable member 2210, thereby achieving linkage.

[0054] Furthermore, the force-receiving component 2211 is located outside the liquid channel 220g to isolate the liquid from the force-receiving component 2211. Specifically, since the force-receiving component 2211 needs to move or move rapidly when linked with the moving component 2210, placing the force-receiving component 2211 outside the liquid channel 220g can effectively reduce the probability of air bubbles appearing in the liquid within the liquid channel 220g, thereby effectively improving the analytical accuracy of the blood gas analyzer 1. Moreover, placing the force-receiving component 2211 outside the liquid channel 220g can also effectively prevent the force-receiving component 2211 from contaminating the liquid flowing through the liquid channel 220g, thereby effectively ensuring the quality of the calibration solution or other liquids in the liquid bag 24, and further effectively improving the analytical accuracy of the blood gas analyzer 1.

[0055] Optionally, as shown in FIG6, in some embodiments, the force-bearing member 2211 includes a plate 2211b and one or two extension support bars 2211a. The plate 2211b is mounted between the two extension support bars 2211a. The plate 2211b is located on the side of the valve body 2201 facing the opening of the accommodating space 222b. The extension support bars 2211a extend into the space on the side of the valve body 2201 away from the opening of the accommodating space 222b. The extension support bars 2211a are used to abut against the movable member 2210. The plate 2211b is used to receive external force so that the extension support bars 2211a drive the movable member 2210 to move. Specifically, the extension support strip 2211a is the part of the force-bearing component 2211 that is linked with the movable component 2210, and the plate 2211b is the part of the force-bearing component 2211 that receives external forces. By making the part of the force-bearing component 2211 that receives external forces into a plate shape, and the part of the force-bearing component 2211 that is linked with the movable component 2210 into a strip shape, the structural dimensions of the force-bearing component 2211 can be effectively reduced, thereby effectively reducing the weight of the liquid valve 22. Furthermore, while meeting the strength requirements, the radial dimension of the plate 2211b (i.e., the surface dimension of the plate 2211b) can be set as small as possible to reduce the probability of accidental activation of the plate 2211b.

[0056] Of course, in some embodiments, the number of extension support strips 2211a may also be three or four, etc., to effectively improve the structural strength of the load-bearing member 2211.

[0057] Optionally, as shown in Figures 6-9, in some embodiments, the movable member 2210 is a rod-shaped movable rod 2210a, wherein one end of the movable rod 2210 is connected to the central main body 2203a, and the other end is movably engaged with the docking body 222, wherein the axial direction of the movable rod 2210 is perpendicular to the direction of the external force (in some embodiments, the direction of the external force is perpendicular to the plate surface of the plate 2211b). Specifically, in some embodiments, a groove is formed on the side of the convex top structure 2203c away from the valve body 2201, and a buckle is formed on one end of the movable rod 2210, wherein the buckle engages with the groove to fix the movable rod 2210 to the convex top structure 2203c, thereby effectively improving the assembly efficiency between the movable rod 2210 and the sealing member 2203. Furthermore, the switch assembly 221 also includes a switch pressure plate 2213, wherein the switch pressure plate 2213 is linked with the movable rod 2210 (for example, the switch pressure plate 2213 can be linked with the movable rod 2210 by a fixed connection, that is, the switch pressure plate 2213 is fixed to the movable rod 2210). Two extension brackets 2211a respectively abut or connect to both ends of the switch pressure plate 2213, thereby enabling the switch pressure plate 2213 to link with the force-bearing member 2211, and thus enabling the force-bearing member 2211 to link with the movable rod 2210. The sealing part (or sealing assembly 2200) is located in the space between the two extension brackets, the plate 2211b and the switch pressure plate 2213, which effectively avoids interference with the sealing part caused by the linkage between the two extension brackets, the plate 2211b and the switch pressure plate 2213.

[0058] Optionally, as shown in Figures 7 and 10, in some embodiments, the bottom wall 222a of the docking body 222 is provided with a second recess 2220. The first recess 2201a and the second recess 2220 are disposed opposite to each other to form an active space, wherein the switch plate 2213, the movable rod 2210, and the central body part 2203a are all located within the active space. Specifically, the second recess 2220 includes a first active groove 2222 and a second active groove 2221 that are interconnected. The second active groove 2221 is disposed at the bottom of the first active groove 2222, the switch plate 2213 is movably disposed in the first active groove 2222, and the movable rod 2210 is at least partially disposed in the second active groove 2221. At least a portion of the peripheral surface of the movable rod 2210 slides in contact with the wall of the second movable groove 2221. In this way, the wall of the second movable groove 2221 restricts the degree of freedom of movement along its radial direction, so that the axial direction of the movable rod 2210 can always be parallel to the direction of the external force, thereby effectively improving the smoothness of the movement of the movable rod 2210 and thus effectively improving the working stability of the liquid valve 22.

[0059] Optionally, as shown in FIG7, in some embodiments, the movable element 2210 is configured to close the liquid channel 220g when no external force is applied. For example, in some embodiments, when the actuating component of the blood gas analyzer 1 provides external force to the force-bearing element 2211, or when the reagent kit 20 is not docked with the device body 10, the movable element 2210 is configured to close the liquid channel 220g. This effectively ensures that the liquid inlet valve 22 is always closed in its natural state, thereby effectively preventing leakage or air intake of the liquid bag 24 during the transfer or assembly of the reagent kit 20.

[0060] Specifically, as shown in Figures 6-7, in some embodiments, the movable member 2210 is provided with an abutment portion, such as a switch pressure plate 2213. The switch assembly 221 further includes an elastic member 2212, which is disposed on the side of the valve body 2201 opposite to the opening of the accommodating space 222b, that is, disposed within the second movable groove 2221. One end of the elastic member 2212 abuts against the abutment portion, and the other end of the elastic member 2212 abuts against the docking body 222, for providing elastic force to the movable member 2210 so that the movable member 2210 (e.g., the movable rod 2210) presses against the sealing portion, thereby closing the liquid passage 220g.

[0061] Optionally, as shown in Figures 6-9, in some embodiments, the connecting portion 2203b is located between the docking body 222 and the bottom wall 222a of the docking body 222. The docking body 222 is also used to press the connecting portion 2203b against the bottom wall 222a of the docking body 222, thereby effectively improving the sealing performance between the connecting portion 2203b and the valve body 2201. In some embodiments, the connecting portion 2203b abuts against the bottom wall 222a of the docking body 222 via a pressing member 2202.

[0062] Optionally, as shown in Figures 9-10, in some embodiments, a connecting structure 2201d is provided on the side of the valve body 2201 facing the bottom wall 222a. The bottom wall 222a is provided with a through hole 2226, which connects the accommodating space 222b and the outside of the docking body 222. The through hole 2226 is spaced apart from the first channel opening 220a. The reagent kit 20 further includes a connecting component (not shown). A part of the connecting component abuts against the bottom wall 222a, and the other part of the connecting component passes through the through hole 2226 and is connected to the connecting structure 2201d. This can effectively improve the connection stability between the valve body 2201 and the docking body 222.

[0063] Optionally, as shown in FIG7, in some embodiments, the first channel opening 220a is disposed on the bottom wall 222a of the docking body 222, and the first channel opening 220a and the second recess 2220 are spaced apart, so that the docking body 222 has a structural basis for placing the movable part 2210 outside the liquid channel 220g.

[0064] Further, as shown in Figures 8-10, in some embodiments, the valve body assembly 220 includes a flow guide 2203d, that is, as described above, the sealing member 2203 is provided with a flow guide 2203d, the flow guide 2203d forms a third liquid sub-channel 220e, wherein the flow guide 2203d is partially embedded in the first channel opening 220a so that the third liquid sub-channel 220e is connected to the first channel opening 220a.

[0065] Specifically, in some embodiments, the bottom wall 222a of the docking body 222 is provided with an embedding groove 2224 and a sealing plane 2225 on the side facing the valve body assembly 220 (that is, the side facing the valve body 2201). The sealing plane 2225 is arranged around the embedding groove 2224. The first channel opening 220a is provided at the bottom of the embedding groove 2224 (it can also be understood that the end of the first channel opening 220a near the accommodating space 222b expands to form the embedding groove 2224). The flow guiding part 2203d includes an embedding body 2203e and an annular sealing part 2203f, wherein the embedding body 2203e is used to form a third liquid sub-channel 220e, and the annular sealing part 2203f is arranged around the embedding body 2203e. Furthermore, the embedding body 2203e is at least partially embedded in the embedding groove 2224, and the annular sealing part 2203f seals against the sealing plane 2225, thereby achieving a sealed connection between the flow guide part 2203d and the first channel opening 220a, thereby effectively improving the sealing performance of the liquid channel 220g.

[0066] In some embodiments, the sealing plane 2225 is recessed into the bottom wall 222a of the docking body 222, so as to form an annular groove around the embedding groove 2224. The annular sealing part 2203f is embedded in the annular groove and seals against the bottom surface of the annular groove (i.e., the sealing plane 2225).

[0067] Optionally, as shown in Figures 7-10, in some embodiments, the annular sealing portion 2203f is located on the side of the pressing member 2202 away from the connecting portion 2203b. The pressing member 2202 abuts against the annular sealing portion 2203f to press the annular sealing portion 2203f into the annular groove, thereby effectively improving the sealing performance between the guide portion 2203d and the first channel opening 220a.

[0068] Optionally, as shown in Figures 5-7, in some embodiments, the reagent kit 20 further includes an end cap 223, which covers the opening of the accommodating space 222b. The plate 2211b (also referred to as part of the force-bearing member 2211 in some embodiments) is located between the end cap 223 and the valve body 2201. This makes the force-bearing member 2211 wholly or partially located in the space between the end cap 223 and the docking body 222, thereby effectively reducing the probability of the force-bearing member 2211 being accidentally touched, and thus effectively improving the working stability of the liquid valve 22. Furthermore, the end cap 223 and the force-bearing component 2211 are spaced apart (or at least along the direction of the external force, the plate 2211b and the end wall of the end cap 223 are spaced apart by a preset distance). In this way, during the assembly process of the end cap 223 and the docking body 222, it can effectively prevent the end cap 223 from coming into contact with the force-bearing component 2211, thereby accidentally opening the liquid valve 22 and causing gas to enter the liquid tank, affecting the quality of the calibration liquid in the liquid tank.

[0069] Optionally, in some embodiments, the switch assembly 221 further includes a magnetic element disposed on the plate 2211b; or the plate 2211b is a magnetic element connected to a portion of the force-receiving element 2211; wherein, the magnetic element is used to couple with the execution component of the blood gas analyzer 1 to drive the moving part 2210 to move. With this configuration, the force-receiving element 2211 can achieve contactless transmission with the execution component located outside the docking body 222, so that the force-receiving element 2211 does not need to be exposed outside the docking body 222 to achieve transmission connection with the execution component, thereby effectively reducing the probability of the force-receiving element 2211 being accidentally touched.

[0070] Optionally, as shown in Figures 5-7, in some embodiments, the end cap 223 is provided with a through hole 2230, and the plate 2211b is disposed opposite to the through hole 2230, so that the execution component of the blood gas analyzer 1 can pass through the through hole 2230 and abut against the plate 2211b, thereby transmitting external force to the plate 2211b. This arrangement can ensure that the liquid valve 22 can be smoothly connected with the execution component, and can also reduce the probability of the force-bearing component 2211 being accidentally touched to a certain extent. Further, in some embodiments, the through hole 2230 is provided on the end wall of the end cap 223 and the valve body 2201, wherein the ratio of the area of ​​the through hole 2230 to the total area of ​​the end face of the end wall is less than or equal to 0.2 to 0.5. This arrangement can further reduce the probability of the force-bearing component 2211 being accidentally touched, thereby effectively reducing the probability of the liquid valve 22 being accidentally opened or closed.

[0071] Optionally, as shown in FIG4, in some embodiments, the kit 20 further includes a channel assembly 250 disposed on the kit body 21, wherein the channel assembly 250 is at least partially located in the space between the force-bearing member 2211 and the moving member 2210. For example, the channel assembly 250 may be at least partially disposed on the side of the plate 2211b facing the valve body 2201.

[0072] Specifically, in some embodiments, the assembly process between the force-bearing member 2211 and the moving member 2210 is usually located after the assembly process of the channel assembly 250 and the docking process between the channel assembly 250 and the first channel opening 220a. This effectively prevents accidental activation of the switch assembly 221 during the assembly process of the channel assembly 250 (e.g., the docking process between the adapter 252 and the first channel opening 220a and the docking process between the adapter 252 and the conduit 251), which could lead to accidental connection of the liquid channel 220g and thus the risk of air flowing into the liquid bag 24 or liquid leakage from the liquid bag 24. Therefore, by placing at least a portion of the channel assembly 250 between the force-bearing member 2211 and the movable member 2210, space is provided for the assembly process between the force-bearing member 2211 and the movable member 2210 and the sequence of the assembly process of the channel assembly 250. This effectively reduces the risk of air flowing into the liquid bag 24 or liquid leakage from the liquid bag 24 during the docking process of the channel assembly 250 and the first channel opening 220a.

[0073] Further, as shown in Figures 11-13, in some embodiments, the channel assembly 250 includes a connector 252 and a catheter 251. Specifically, the connector 252 is a component for connecting the second channel port 220b to the catheter 251. That is, the connector 252 is disposed between the second channel port 220b and the catheter 251, and the connector 252 connects to both the second channel port 220b and the catheter 251, so that the second channel port 220b and the catheter 251 are connected. The catheter 251 is a component for forming a complex fluid channel and for connecting to the sample test card of the blood gas analyzer 1. Therefore, by connecting the second channel port 220b to the catheter 251 through the connector 252, the assembly complexity of the fluid inlet valve 22 and the catheter 251 can be effectively reduced, thereby effectively improving the assembly efficiency of the fluid inlet valve 22 and the catheter 251. The transfer fitting 252 is located on the side of the plate 2211b facing the valve body 2201. This provides space for the assembly process between the force-bearing component 2211 and the moving component 2210, as well as the sequence of the assembly process of the channel assembly 250. This effectively reduces the risk of air flowing into the liquid bag 24 or liquid leakage from the liquid bag 24 during the docking process between the channel assembly 250 and the first channel port 220a.

[0074] Optionally, as shown in Figures 11-13, in some embodiments, the kit 20 includes a vent valve 23 and multiple liquid inlet valves 22. Each liquid inlet valve 22 is connected to a corresponding liquid bag 24. For example, multiple liquid inlet valves 22 can be connected to corresponding calibration liquid bags and connected to conduit 251 via adapter fittings 252. The vent valve 23 is disposed on the kit body 21 and is connected to the conduit 251 via adapter fittings 252. The vent valve 23 is provided with a selectively open or closed gas passage, selectively opening or closing at least the flow channel within the adapter fitting 252. Thus, when it is necessary to clean the fluid channels within the adapter fitting 252 and the conduit 251, the actuator can control the vent valve 23 to open, allowing air to enter the fluid channels within the adapter fitting 252 and the conduit 251, blowing away residual liquid within the adapter fitting 252 and the conduit 251, thereby effectively improving cleaning efficiency.

[0075] Specifically, in some embodiments, the adapter pipe 252 includes an extension section 2521 and a plurality of connecting sections 2520, wherein the plurality of connecting sections 2520 are respectively connected to the extension section 2521, and the plurality of connecting sections 2520 are respectively connected to the corresponding liquid valve 22 and air valve 23. The extension section 2521 spans the open ends of the plurality of docking bodies 222, and the plurality of connecting sections 2520 and at least a portion of the extension section 2521 are disposed within the corresponding receiving space 222b. For example, in some embodiments, the side wall of the docking body 222 is provided with an opening slot 2223, the opening slot 2223 communicating with the receiving space 222b outside the docking body 222, wherein the extension section 2521 of the adapter pipe 252 passes through the corresponding docking body 222 sequentially along the corresponding opening slot 2223, and is respectively connected to the connecting section 2520 located in the corresponding receiving space 222b. Furthermore, the extension section 2521 also engages with the opening slot 2223 for limiting, which effectively prevents the adapter pipe 252 from shaking relative to the valve body 2201, thereby effectively improving the docking stability between the adapter pipe 252 and the first channel port 220a. The extension section 2521 can be spaced apart from the plate 2211b, with the distance between the two being greater than or equal to the stroke length of the plate 2211b.

[0076] Optionally, in some embodiments, the kit 20 further includes a plurality of mating plugs 224, wherein the connecting segment 2520 is mated with the second channel port 220b through the plurality of mating plugs 224, thereby effectively improving the mating seal between the connecting segment 2520 and the second channel port 220b.

[0077] The above are merely embodiments of this application and do not limit the scope of this patent application. Any equivalent structural or procedural changes made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of this application.

Claims

1. A kit for use in a blood gas analyzer, characterized in that, The kit comprises: a box body provided with a containing cavity, the containing cavity being provided with a liquid bag; a valve body assembly provided with a first passage opening and a second passage opening, the first passage opening being used for connecting with the liquid bag, the second passage opening being used for outputting liquid, a liquid passage being formed between the first passage opening and the second passage opening; a switch assembly comprising a movable member, the movable member being located outside the liquid passage, the movable member being capable of causing the liquid passage to at least partially deform, thereby causing the liquid passage to be closed or communicated.

2. The kit of claim 1, wherein The valve body assembly comprises: a valve main body, at least part of the liquid passage being formed in the valve main body, the second passage opening being provided on the valve main body; a sealing part, the sealing part being provided on the valve main body; wherein the sealing part and the valve main body form at least part of the liquid passage, the movable member being used for deforming the sealing part to cause the liquid passage to deform; or the movable member being used for moving the sealing part relative to the valve main body to cause the liquid passage to deform.

3. The kit of claim 2, wherein The liquid passage comprises at least a first liquid sub-passage and a second liquid sub-passage, a first end of the first liquid sub-passage being in abutment with the second passage opening, a second end of the second liquid sub-passage being in abutment with the first end of the first liquid sub-passage, the second end of the second liquid sub-passage being in abutment with the first passage opening, the first liquid sub-passage being provided on the valve main body, the sealing part comprising a sealing assembly, the sealing assembly being movably coupled with the valve main body to jointly form the second liquid sub-passage with the valve main body, the sealing assembly being used for moving or deforming relative to the valve main body under the driving of the movable member, so as to cause the second liquid sub-passage to be closed or communicated.

4. The kit of claim 3, wherein The valve main body is provided with a first recess spaced apart from the second passage opening, the second end of the first liquid sub-passage being provided in the first recess, the sealing assembly comprising: a blocking member comprising a central main body part and a connecting part surrounding an outer edge of the central main body part, the central main body part being linked with the movable member and movably coupled with the first recess to jointly form the second liquid sub-passage, the connecting part being sealingly fitted with a peripheral region of the first recess; wherein at least part of the central main body part is arranged to be movable relative to the valve main body, so as to cause at least part of the central main body part to block or open the second end of the first liquid sub-passage.

5. The kit of claim 4, wherein The connecting part or the valve main body is provided with an annular sealing structure, the annular sealing structure being arranged to surround an outer periphery of the first recess and located between the connecting part and the valve main body, the sealing structure being used for being filled with glue or being deformed under the mutual extrusion of the connecting part and the valve main body, so as to seal the outer periphery of the first recess.

6. The kit of claim 4, wherein The valve body assembly comprises an annular sealing member, the annular sealing member being arranged to surround an outer periphery of the first recess and located between the connecting part and the valve main body.

7. The kit of claim 4, wherein The bottom of the first recess is recessed to form a first groove, the second end of the first liquid sub-channel is arranged in the first groove, the blocking member comprises a protruding top structure arranged opposite to the central main body, the protruding top structure is movably matched with the first groove, and the protruding top structure is connected with the movable member, so as to be moved relative to the valve body under the driving of the movable member, so as to block or open the second end of the first liquid sub-channel.

8. The kit of claim 4, wherein The blocking member further comprises a flow guide part arranged between the connecting part and the central main body, the flow guide part is formed with a third liquid sub-channel, the flow guide part is arranged with a first end of the third liquid sub-channel on the side facing the valve body, so as to be connected with the second liquid sub-channel, and the flow guide part is arranged with a second end of the third liquid sub-channel on the side away from the valve body, so as to be connected with the first channel opening.

9. The kit of claim 8, wherein The valve body is further provided with a second groove, the second groove is communicated with the second liquid sub-channel, the second groove is arranged opposite to the flow guide part, and the second groove is communicated with the second end of the third liquid sub-channel.

10. The kit according to any one of claims 4 to 9, characterized in that, The sealing assembly further comprises a pressing top part arranged on the side of the blocking member away from the valve body, so as to press the connecting part on the valve body.

11. The kit of claim 10, wherein The valve body is provided with an abutting plane arranged around the first recess and protruding relative to the first recess, the connecting part is arranged opposite to the abutting plane, and the pressing top part is used to press the connecting part on the abutting plane.

12. The kit according to any one of claims 4 to 9, characterized in that, The kit further comprises a docking body arranged in the box body, the docking body is formed with a containing space with an opening, the valve body, the sealing assembly and the movable member are arranged in the containing space.

13. The kit of claim 12, wherein The valve body is embedded in the containing space, and the sealing assembly and the movable member are located on the side of the valve body away from the opening of the containing space.

14. The kit of claim 13, wherein The switch assembly further comprises a force receiving member, the force receiving member is located outside the liquid channel, a part of the force receiving member is located on the side of the valve body facing the opening of the containing space, so as to receive external force, and another part of the force receiving member is linked with the movable member, so as to drive the movable member to move.

15. The kit of claim 14, wherein The force receiving member comprises a plate and at least two extension support bars, the plate is arranged between the at least two extension support bars, the plate is arranged on the side of the valve body facing the opening of the containing space, the extension support bars extend into the space on the side of the valve body away from the opening of the containing space, the extension support bars are used to abut against the movable member, and the plate is used to receive external force, so that the extension support bars drive the movable member to move.

16. The kit of claim 15, wherein The movable member comprises a movable rod, one end of which is connected with the center body part, and the other end of which is movably connected with the docking body, the axial direction of the movable rod is parallel to the direction of the external force, the switch assembly further comprises a switch pressing plate, the switch pressing plate is movably connected with the movable rod, the two extension support strips are respectively abutted or connected with two ends of the switch pressing plate, and the sealing part is located in the space between the two extension support strips, the plate member and the switch pressing plate.

17. The kit of claim 16, wherein The bottom wall of the docking body is provided with a second recess, the first recess and the second recess are oppositely arranged to form a movable space, and the switch pressing plate, the movable rod and the center body part are located in the movable space.

18. The kit of claim 17, wherein The first channel port is arranged on the bottom wall of the docking body, and the first channel port is arranged in a spaced manner with the second recess.

19. The kit of claim 17, wherein The connecting part is located between the docking body and the bottom wall, and the docking body is used for pressing the connecting part against the bottom wall.

20. The kit of claim 19, wherein The valve body is provided with a connecting structure on the side facing the bottom wall, the bottom wall is provided with a through hole, the through hole communicates the accommodation space with the outside of the docking body, and the through hole is arranged in a spaced manner with the first channel port, and the kit further comprises a connecting assembly, one part of the connecting assembly is abutted with the bottom wall, and the other part of the connecting assembly passes through the through hole and is connected with the connecting structure.

21. The kit of claim 17, wherein The movable space comprises a first movable groove and a second movable groove which are communicated with each other, the second movable groove is arranged at the bottom of the first movable groove, the switch pressing plate is movably arranged in the first movable groove, and the movable rod is at least partially movably arranged in the second movable groove.

22. The kit of claim 14, wherein The kit further comprises an end cover member, the end cover member covers the opening of the accommodation space, the end cover member is arranged in a spaced manner with the force receiving member, and the part of the force receiving member is located between the end cover member and the valve body.

23. The kit of claim 22, wherein The switch assembly further comprises a magnetic member, the magnetic member is arranged on the part of the force receiving member, or the part of the force receiving member is a magnetic member, the magnetic member is connected with the part of the force receiving member, and the magnetic member is used for coupling with an execution assembly of the blood gas analyzer to drive the movable member to move.

24. The kit of claim 22, wherein The end cover member is provided with a through hole, and the part of the force receiving member is arranged in a spaced manner with the through hole, so that the execution assembly of the blood gas analyzer can abut against the part of the force receiving member through the through hole.

25. The kit of claim 24, wherein Along the direction of the external force, the part of the force receiving member and the end wall of the end cover member are arranged in a spaced manner with a preset interval distance.

26. The kit of claim 14, wherein The kit further comprises a channel assembly, the channel assembly is at least partially located on the side of the part of the force receiving member facing the valve body, and the channel assembly is used for being respectively connected with the second channel port and a sample test card of the blood gas analyzer, so as to guide the liquid flowing through the valve body assembly to the sample test card of the blood gas analyzer.

27. The kit of claim 26, wherein The channel assembly comprises a switching pipe and a conduit pipe, the switching pipe is connected with the second channel port to connect the conduit pipe with the second channel port, and the switching pipe is located on the side of the part of the force receiving member facing the valve body.

28. The kit of claim 13, wherein The movable member is configured to close the liquid channel under no external force.

29. The kit of claim 28, wherein The movable member is provided with an abutting portion, the switch assembly further comprises a resilient member provided on the side of the opening of the valve body away from the accommodation space, one end of the resilient member abuts against the abutting portion, and the other end of the resilient member abuts against the connecting body, the resilient member is configured to provide the movable member with a resilient force to press the sealing portion, thereby closing the liquid channel.

30. The kit of claim 1, wherein The kit comprises a connecting body provided with an accommodation space having an opening, the valve body assembly is arranged in the accommodation space, the first channel port is arranged on the bottom wall of the connecting body opposite to the valve body, the valve body assembly further comprises a flow guide portion forming a third liquid sub-channel, the flow guide portion is connected with the second channel port to connect the first end of the third liquid sub-channel with the second channel port, and part of the flow guide portion is embedded in the first channel port to connect the second end of the third liquid sub-channel with the first channel port.

31. The kit of claim 30, wherein, The side of the bottom wall facing the valve body assembly is further provided with an embedded groove and a sealing plane, the sealing plane is arranged around the embedded groove, the first channel port is arranged at the bottom of the embedded groove, the flow guide portion comprises an embedded main portion forming the third liquid sub-channel and an annular sealing portion arranged around the embedded main portion, the embedded main portion is at least partially embedded in the embedded groove, and the annular sealing portion abuts against the sealing plane.

32. The kit of claim 1, wherein The kit comprises a plurality of liquid passing valves arranged at intervals in the box body, and further comprises switching pipes connected with the plurality of liquid passing valves respectively, the switching pipes are configured to guide the liquid flowing through the liquid passing valves to the sample test card of the blood gas analyzer, and the liquid passing valve comprises the valve body assembly and the switch assembly.

33. The kit of claim 32, wherein The switch assembly further comprises a force receiving member configured to drive the movable member to move to deform at least part of the liquid channel, and the switching pipe is located in the space between the force receiving member and the movable member.

34. The kit of claim 33, wherein The liquid passing valve further comprises a connecting body forming an accommodation space having an opening, the valve body assembly and the switch assembly are arranged in the accommodation space, the switching pipe comprises an extension section and a plurality of connection sections connected with the extension section respectively, the plurality of connection sections are connected with the corresponding liquid passing valves respectively, the extension section is arranged across the opening ends of the plurality of connecting bodies, and the plurality of connection sections and at least part of the extension section are arranged in the corresponding accommodation spaces.

35. The kit of any one of claims 33-34, wherein, The kit further comprises an end cover member, which is arranged at the open end of the docking main body, and the force receiving member is located in the space between the end cover member and the movable member.

36. The kit of claim 1, wherein The kit comprises a channel assembly arranged in the box body, which is used to respectively dock with the second channel port and the sample test card of the blood gas analyzer, so as to guide the liquid flowing through the valve body assembly to the sample test card of the blood gas analyzer.

37. The kit of claim 1, wherein The switch assembly comprises a force receiving member, which is used to be activated by external force, and the movable member is linked to move under the action of the force receiving member, so as to close or connect the liquid channel.

38. The kit of claim 37, wherein The force receiving member comprises a plate member and an extension support strip, which extends from the plate member to the side of the movable member, and is used to be linked with the movable member, and the valve body assembly is at least partially located in the space between the plate member and the movable member.

39. A blood gas analyzer comprising: Comprise: Device body; Kit, which is replaceably docked with the device main body of the blood gas analyzer; The kit comprises: The box body is provided with a containing cavity, which is used to accommodate a liquid bag; The valve body assembly is provided with a first channel port and a second channel port, the first channel port is used to be connected with the liquid bag, the second channel port is used to output liquid, and a liquid channel is formed between the first channel port and the second channel port; The switch assembly comprises a movable member, which is located outside the liquid channel, and can deform at least part of the liquid channel, so as to close or connect the liquid channel.

40. The blood gas analyzer of claim 39, wherein, The switch assembly further comprises a force receiving member, which is arranged outside the liquid channel, and the blood gas analyzer further comprises an execution assembly, which is used to provide external force for the force receiving member, and the force receiving member is used to drive the movable member based on the external force, so as to close or connect the liquid channel.

41. The blood gas analyzer of claim 40, wherein, The kit comprises a channel assembly arranged in the box body, which is used to respectively dock with the second channel port and the sample test card of the blood gas analyzer, so as to guide the liquid flowing through the valve body assembly to the sample test card of the blood gas analyzer.

42. The blood gas analyzer of claim 41, wherein, The kit comprises a plurality of liquid valves and a ventilation valve, which are arranged in the box body, the channel assembly is respectively docked with the ventilation valve and the liquid valve, the liquid valve comprises the valve body assembly and the switch assembly; wherein the ventilation valve is provided with a selectively connected or closed gas channel, which is selectively connected or closed with at least the fluid channel in the adapter pipe.

43. The blood gas analyzer of any of claims 39-42, wherein, The liquid bag comprises a cleaning liquid bag and / or a reagent liquid bag, and the device main body is not provided with a liquid channel.

Images