CN217566129U - Liquid taking device - Google Patents
Liquid taking device Download PDFInfo
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- CN217566129U CN217566129U CN202220420351.8U CN202220420351U CN217566129U CN 217566129 U CN217566129 U CN 217566129U CN 202220420351 U CN202220420351 U CN 202220420351U CN 217566129 U CN217566129 U CN 217566129U
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- capsule endoscope
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Abstract
The application relates to medical equipment technical field especially relates to a get liquid device, wherein gets liquid device and includes: the liquid taking device is used for taking liquid; a gas source for inflation/deflation; the tube body comprises a first tube body and a second tube body, the first end of the first tube body is connected with the gas source, the second end of the first tube body is connected with an elastic clamping part, the elastic clamping part is provided with a cavity, and the cavity is communicated with the second end of the first tube body; the first end of the second pipe body is connected with the liquid taking device, and the second end of the second pipe body is used for taking liquid; the capsule endoscope is at least partially positioned in the cavity, and the elastic clamping part is detachably connected with the capsule endoscope and used for clamping and releasing the capsule endoscope. This application is very convenient when getting liquid to the alimentary canal.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a liquid taking device.
Background
The modern people have an increasing incidence of digestive tract diseases due to accelerated work pace, uneven diet and the like, and the digestive tract diseases become common diseases affecting the health of the modern people and are developing towards the direction of low age and disguise, so that the detection of the digestive tract diseases has an important role. However, the total length of the full digestive tract of a human body exceeds nine meters, and as the shape of the digestive tract belongs to a long and thin pipeline and is distributed among various organs of the trunk of the human body, the irregular closure of the structure of the full digestive tract brings great challenges to the detection and sampling of digestive tract diseases in clinic, so that the liquid taking is very difficult.
SUMMERY OF THE UTILITY MODEL
The application provides a liquid taking device and a liquid taking method, which are very convenient for taking liquid from the digestive tract.
A first aspect of the present application provides a liquid extraction device, comprising:
the liquid taking device is used for taking liquid;
the gas source is used for inflating or exhausting;
the gas source is connected with the first end of the first pipe body, the second end of the first pipe body is connected with the elastic clamping part, the elastic clamping part is provided with a cavity, and the cavity is communicated with the second end of the first pipe body; the first end of the second pipe body is connected with the liquid taking device, and the second end of the second pipe body is used for taking liquid;
the capsule endoscope is at least partially positioned in the cavity, and the elastic clamping part is detachably connected with the capsule endoscope and used for clamping or releasing the capsule endoscope.
Furthermore, the first pipe body and the second pipe body are arranged in parallel, and the middle sections of the first pipe body and the second pipe body are fixedly connected;
the second end of second body support to lean on set up or attached set up in the outer wall of elasticity clamping part.
Further, a liquid taking port is arranged at the second end of the second tube body, and the liquid taking port is close to the end part of the capsule endoscope, which is provided with the lens.
Further, the elastic clamping part and the capsule endoscope are detachably connected in a mode that: in a clamping state, the elastic clamping part clamps the capsule endoscope at least through the elastic force of the elastic clamping part; in a released state, the elastic clamping part is opened under the action of air pressure from the first tube body, and the capsule endoscope is separated from the elastic clamping part.
Further, the middle section of the capsule endoscope is arranged to be a cylindrical section, and the elastic clamping part clamps at least part of the cylindrical section.
Further, the elastic clamping part is connected to one end part, far away from the lens, of the capsule endoscope, and the inner wall of the cavity of the elastic clamping part at least partially covers the end part.
Further, the inner wall of the elastic clamping part comprises a hemispherical inner wall, the maximum transverse diameter of the hemispherical inner wall is a first diameter under the state that the elastic clamping part does not clamp the capsule endoscope, the maximum transverse diameter of a part, in the capsule endoscope, in contact with the hemispherical inner wall is a second diameter, and the first diameter is smaller than the second diameter.
Further, the section structure of the elastic clamping part is U-shaped along the axial direction of the capsule endoscope.
Further, the second end of the first pipe body is connected to the bottom of the elastic clamping portion and communicated with the cavity through the bottom of the cavity.
Further, the capsule endoscope further comprises a control mechanism, a magnet is arranged inside the capsule endoscope, and the control mechanism is arranged to control the direction and the speed of the capsule endoscope through the magnet.
The technical scheme provided by the application can achieve the following beneficial effects:
the utility model provides a get liquid device is including getting the liquid ware, air supply and body, wherein the body includes first body and second body, and first body is connected with the elasticity clamping part, press from both sides the capsule endoscope through the elasticity clamping part, treat the internal in-process of examining person at the entering of capsule endoscope, first body and second body also can extend and get into the internal of treating examining person, and capsule endoscope is connected all the time to first body and second body, the operator can control the motion state of capsule endoscope through first body and second body, and then the time of prolonging the internal detention of capsule endoscope treating person, then prevent to appear lou examine the scheduling problem. Meanwhile, the capsule endoscope can also bring the second tube body into the body of a person to be detected, and can also take liquid through the second tube body.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a liquid extraction device according to an embodiment of the present disclosure;
FIG. 2 is a partial enlarged view of the present application based on A in FIG. 1;
FIG. 3 is a schematic structural diagram of a capsule endoscope of a liquid taking device provided by an embodiment of the application;
fig. 4 is a schematic structural view of an elastic clamping portion of a liquid extraction device according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a capsule endoscope of the liquid taking device provided by the embodiment of the application in a clamped state;
FIG. 6 is a schematic structural diagram of a capsule endoscope of a liquid taking device provided by an embodiment of the application in a releasing state;
fig. 7 is a schematic structural view of a liquid extraction device extending into the digestive tract according to an embodiment of the present application.
Reference numerals are as follows:
1-taking a liquid device;
2-gas source;
3-a pipe body;
31-a first tube;
32-a second tube;
4-capsule endoscopy;
41-a cylindrical section;
42-a magnet;
5-an elastic clamping part;
51-a cavity;
6-digestive tract.
Detailed Description
In order to better understand the technical solution of the present application, the following detailed description is made with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely a relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element through intervening elements.
In one embodiment, the present application is described in further detail below with reference to specific embodiments and accompanying drawings.
As shown in fig. 1 to 7, the present application provides a liquid sampling device, which can sample liquid at a liquid sampling position in a body of a person to be detected. For example, the liquid extracting apparatus can be used to sample the liquid in the digestive tract 6, and can also detect whether there is a lesion in the digestive tract 6, and the liquid extracting apparatus provided in the embodiment of the present application is described below by way of example.
Referring to fig. 2, 4, 5 and 7, the liquid taking device includes a liquid taking device 1, a gas source 2, a tube 3 and a capsule endoscope 4, wherein the liquid taking device 1 is used for taking liquid in the alimentary canal 6, the gas source 2 is used for inflating (inflating) the first tube 31/or exhausting (exhausting gas in the first tube 31), the tube 3 is connected with the liquid taking device 1, the gas source 2 and the capsule endoscope 4, and the tube 3 includes the first tube 31 and the second tube 32. Wherein, the first end of the first tube 31 is connected with the gas source 2, the second end of the first tube 31 is connected with the elastic clamping part 5, the elastic clamping part 5 is provided with a cavity 51, and the cavity 51 is communicated with the second end of the first tube 31; the first end of the second tube 32 is connected to the liquid taking device 1, and the second end of the second tube 32 includes a liquid taking port (not shown) for taking liquid. The capsule endoscope 4 is at least partially located inside the cavity 51, and the elastic grip portion 5 is detachably connected to the capsule endoscope 4 to clamp or release the capsule endoscope 4. In the process that the capsule endoscope 4 enters the body of the person to be detected, the first tube body 31 and the second tube body 32 can also enter the body of the person to be detected, in the process, the first tube body 31 and the second tube body 32 are always connected with the capsule endoscope 4, an operator can control the motion state of the capsule endoscope 4 through the first tube body 31 and the second tube body 32, the time of the capsule endoscope 4 staying in the body of the person to be detected is further prolonged, and the detection comprehensiveness is further improved. Meanwhile, the capsule endoscope 4 can also bring the second pipe body 32 into the body of the person to be detected, after the capsule endoscope 4 observes to reach the liquid taking position, the second end of the second pipe body 32 is submerged below the liquid level, the liquid taking device 1 enables the second pipe body 32 to form negative pressure, liquid enters the second pipe body 32 through the second end of the second pipe body 32, then the liquid taking device 1 is entered to complete liquid taking, the volume of the liquid taking device 1 is not limited outside a human body, the liquid taking amount is not limited, the detection and the liquid taking can be carried out simultaneously, whether the capsule endoscope 4 moves out of the liquid taking position or not can be observed simultaneously when the liquid is taken, and therefore the capsule endoscope has the advantages of convenience in liquid taking and accuracy in liquid taking. The present application does not limit the specific structure of the liquid dispenser 1 as long as it can dispense liquid through the second tube 32, and the liquid dispenser 1 is, for example, a syringe liquid dispenser or a negative pressure pump liquid dispenser.
The gas source 2 is used to control the amount of gas in the first tube 31, and generate corresponding acting force by pumping/inputting gas, in this embodiment, the gas source 2 may be a syringe or an injection pump, and the like, and has a gas outlet (not shown). The first tube 31 is connected to the gas outlet of the gas source 2, so that the gas pumped/output by the gas source 2 enters the first tube 31. The second tube 32 is communicated with the liquid taking end of the liquid taking device 1, so that the taken liquid enters the inside of the liquid taking device 1 through the second tube 32. Meanwhile, the first tube 31 and the second tube 32 may be flexible tubes, which may be made of non-toxic and stable materials, such as silicone rubber, which is biocompatible. In addition, the outer diameters of the first tube 31 and the second tube 32 can be set to 0.5-1.5 mm, so as to ensure that the first tube 31 and the second tube 32 can pass through a long and narrow or continuously bent lumen of the pipeline, and reduce the damage of the tube 3 to the digestive tract.
In a preferred embodiment of the present application, the second end of the second tube 32 is provided with a liquid taking port, and the liquid taking port is close to the end of the capsule endoscope 4 provided with a lens. By reducing the distance between the liquid taking port and the plane where the lens of the capsule endoscope 4 is located, the overlapping degree of the actual liquid taking position of the liquid taking port and the observation position of the capsule endoscope 4 can be improved, and the liquid taking precision of the liquid taking device is improved.
The elastic clamping part 5 can be made of flexible materials, such as silica gel which accords with biocompatibility, the wall thickness of the elastic clamping part 5 can be set to be 0.1-0.5 mm, and the elastic clamping part 5 has elasticity and can elastically deform after being stressed. In the embodiment of the present application, the elastic clamping portion 5 may have a deformation tendency of contracting and expanding, the elastic clamping portion 5 has a cavity 51, the cavity 51 is communicated with the air outlet of the air source 2 through the first tube 31, the elastic clamping portion 5 and the first tube 31 may be connected in an adhesive manner or may be integrally formed, and the second end of the first tube 31 is communicated with the elastic clamping portion 5, so that the air pumped/input by the air source 2 exits/enters the cavity 51 through the first tube 31. The capsule endoscope 4 enters the alimentary canal 6 of the person to be detected and moves along the alimentary canal 6, and in the moving process, the capsule endoscope 4 can acquire images in the alimentary canal 6, so that a doctor can conveniently judge the condition in the alimentary canal 6 of the person to be detected according to the images.
Preferably, in the embodiment of the present application, the second end of the first tube 31 is connected to the bottom of the elastic clamping portion 5, and communicates with the cavity 51 through the bottom of the cavity 51. Specifically, the bottom of the cavity 51 is provided with an air hole (not shown), and the second end of the first tube 31 communicates with the cavity 51 through the air hole. The air holes are formed in the bottom of the cavity, so that the elastic clamping part 5 can be uniformly opened during inflation, the capsule endoscope 4 can fall off from the cavity 51, and the capsule endoscope 4 is prevented from falling off due to the fact that the elastic clamping part 5 deforms unevenly.
More preferably, in an embodiment of the present application, the liquid taking device further includes a pressure detecting component (not shown), disposed in the air source or the first pipe 31, for obtaining a pressure value in the first pipe 31, so as to control the air pressure in the first pipe 31 below a preset pressure value, and prevent the air pressure in the first pipe 31 from being low and causing the flexibility of the pipe 3 to be reduced.
The elastic clip section 5 and the capsule endoscope 4 are arranged such that:
as shown in fig. 5, in the clamped state, at least a part of the capsule endoscope 4 is located in the cavity 51, the elastic grip portion 5 is expanded by the urging force of the capsule endoscope 4, at this time, the elastic grip portion 5 has a tendency to return to the deformed state so as to apply a contraction grip force P1 to the capsule endoscope 4, and by this contraction grip force P1, a frictional force F1 is generated at the contact portion of the elastic grip portion 5 and the capsule endoscope 4, and a discharge force F2 generated by the squeezing of the muscle from the digestive tract 6 is received by the capsule endoscope 4, at this time, F1> F2, so that the capsule endoscope 4 is firmly clamped by the elastic grip portion 5 and its movement is restricted by the tube body 3. After the capsule endoscope 4 reaches the target position, the digestive tract 6 can be detected, and meanwhile, the second end liquid of the second tube body 32 is immersed in the liquid of the digestive tract 6, so that liquid can be taken out.
When both testing and fluid extraction are complete, the capsule endoscope 4 may be released, as shown in FIG. 6, to facilitate evacuation of the capsule endoscope 4 or for further examination. At this time, the gas source 2 outputs gas, the gas enters the cavity 51 through the first pipeline, the pressure P2 in the cavity 51 will gradually increase because the elastic clamping part 5 is tightly attached to the capsule endoscope 4, when the pressure P2 reaches a certain degree, the elastic clamping part 5 will be opened, the capsule endoscope 4 is no longer bound by the elastic clamping part 5, the gas will apply a pushing force F3 to the capsule endoscope 4, and then the capsule endoscope 4 can be pulled out from the cavity 51 under the action of the pushing force F3. The tubular body 3 is then removed from the alimentary tract 6.
As shown in fig. 1 and 2, the first tube 31 and the second tube 32 are arranged in parallel, and the middle sections of the first tube 31 and the second tube 32 are fixedly connected to each other, so that the outer diameter of the tube 3 can be reduced to ensure that the tube 3 does not generate an excessively strong foreign body sensation and to prevent the digestive tract 6 from being cut. The second end of the second tube 32 abuts against the outer wall of the elastic clamping portion 5, specifically, (the end portion of) the second end of the second tube 32 abuts against or is attached to the elastic clamping portion 5, and the liquid taking port is disposed at a position other than the connection position. When the capsule endoscope 4 is held by the elastic holding section 5, the second end of the second tube 32 comes into contact with the outer wall of the capsule endoscope 4, and the capsule endoscope 4 takes the second end of the second tube 32 to reach the target position to take out the liquid.
In the embodiment of the present application, in order to reduce the interference of the elastic clamping portion 5 and the tube body 3 on the detection, the elastic clamping portion 5 is connected to one end portion of the capsule endoscope 4 far away from the lens, and the elastic clamping portion 5 at least partially covers the end portion, so that the capsule endoscope can be connected through the elastic force of the elastic clamping portion 5. Alternatively, in order to further increase the clamping force of the elastic clamping part 5 on the capsule endoscope 4, in the embodiment of the present application, the gas source 2 may extract the gas in the first tube 31, so that the gap formed between the first tube 31 and the elastic clamping member 5 and the capsule endoscope 4 forms a negative pressure, thereby enhancing the clamping force of the elastic clamping member 5 and preventing the capsule endoscope 4 from being separated from the elastic clamping member 5 during examination.
In one embodiment, both ends of the capsule endoscope 4 may be configured as a hemispherical structure, the middle section of the capsule endoscope 4 is configured as a cylindrical section 41, and the elastic clamping portion 5 clamps at least a part of the cylindrical section 41. The elastic grip portion 5 accommodates a hemispherical structure of one end of the capsule endoscope 4 and extends to a part of the cylindrical section 41 to increase a contact area of the two, enhancing a clamping effect. In other embodiments of the present application, the middle section of the capsule endoscope 4 may have a shape other than the cylindrical section 41, for example, a truncated cone section, a conical section, an elliptical section, or the like, as long as the elastic clamping member 5 can clamp or release the middle section.
Accordingly, in the above embodiment, the inner wall of the elastic grip portion 5 is a hemispherical inner wall adapted to, for example, a hemispherical structure, and in a state where the capsule endoscope 4 is not gripped by the elastic grip portion 5 (i.e., the hemispherical inner wall is in a natural state), the maximum transverse diameter of the hemispherical inner wall is a first diameter, and the maximum transverse diameter of a portion of the capsule endoscope 4 in contact with the hemispherical inner wall (i.e., a portion of the capsule endoscope 4 in contact with the hemispherical inner wall) is a second diameter, and the first diameter is smaller than the second diameter. So that the capsule endoscope 4 can open the elastic grip 5 and then create a clamping force between the two.
The contact area between the elastic clamping part 5 and the capsule endoscope 4 directly determines the acting force between the two, so that in order to enable the acting force to be moderate in magnitude, the elastic clamping part 5 can be clamped in a clamping state, and the capsule endoscope 4 is convenient to release in a releasing state, the elastic clamping part 5 and the capsule endoscope 4 are configured in the embodiment of the application: in the clamped state, the ratio of the volume of the part of the capsule endoscope 4 located in the cavity 51 to the total volume of the capsule endoscope 4 is 1/5 to 1/2.
In addition, the cross-sectional structure of the elastic clip part 5 along the axial direction of the capsule endoscope 4 is "U" shaped, which is formed by connecting a hemispherical structure and a ring structure. The hemispherical structure abuts the hemispherical inner wall and the annular structure abuts a portion of the cylindrical section 41, thereby clamping the capsule endoscope 4 via the resilient clamping portion 5.
In the embodiment of the present application, the liquid taking device further comprises a control mechanism, a magnet 42 is arranged inside the capsule endoscope 4, and the control mechanism is configured to control the direction and speed of the capsule endoscope 4 through the magnet 42. That is, the posture of the capsule endoscope 4 in the alimentary canal 6 can be adjusted by controlling the magnet 42 and the control structure, so as to adjust the angle and other parameters of the capsule endoscope 4 in the esophagus, thereby facilitating observation.
Based on the structure, an embodiment of the present application further provides a liquid taking method, which is applied to the liquid taking device of any one of the embodiments, and the method includes the following steps:
s001: under normal pressure, the capsule endoscope 4 is clamped through the elastic clamping part 5, at least one part of the capsule endoscope 4 is positioned in the cavity 51 of the elastic clamping part 5, at the moment, the elastic clamping part 5 has the tendency of restoring deformation so as to apply contraction clamping force to the capsule endoscope 4 and further clamp the capsule endoscope 4, and meanwhile, the second end of the second pipe body 32 is abutted against the surface of the capsule endoscope 4;
s002: under the action of the traction force of the tube body 3, the capsule endoscope 4 and the elastic clamping part 5 are placed into a target position, the position is detected, and meanwhile, liquid is taken through the second end of the second tube body 32;
s003: after the liquid is taken out, gas is input into the cavity 51 through the gas source 2 until the elastic clamping part 5 is opened under the action of air pressure, so that the capsule endoscope 4 falls off from the cavity 51, and then the tube body 3 is taken out.
Further, after the capsule endoscope 4 is released, the capsule endoscope 4 can enter the next stage under the thrust of the air flow or the gravity of the capsule endoscope 4, and the capsule endoscope 4 can also be controlled to enter the next stage by an external control mechanism through matching with the magnet 42 in the capsule endoscope 4.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A liquid extraction device, comprising:
the liquid taking device is used for taking liquid;
the gas source is used for inflating or exhausting;
the tube body comprises a first tube body and a second tube body, the first end of the first tube body is connected with the gas source, the second end of the first tube body is connected with an elastic clamping part, the elastic clamping part is provided with a cavity, and the cavity is communicated with the second end of the first tube body; the first end of the second pipe body is connected with the liquid taking device, and the second end of the second pipe body is used for taking liquid;
the capsule endoscope is at least partially positioned in the cavity, and the elastic clamping part is detachably connected with the capsule endoscope and used for clamping or releasing the capsule endoscope.
2. The fluid extraction device of claim 1, wherein the first tube and the second tube are juxtaposed and the first tube and the second tube are fixedly connected at their middle sections;
the second end of the second pipe body is abutted against or attached to the outer wall of the elastic clamping part.
3. The fluid extraction device of claim 1, wherein the second end of the second tube is provided with a fluid extraction port, and the fluid extraction port is located near an end of the capsule endoscope where a lens is located.
4. The fluid extraction device of claim 1, wherein the elastic clamping portion and the capsule endoscope are detachably connected in a manner that: in a clamping state, the elastic clamping part clamps the capsule endoscope at least through the elasticity of the elastic clamping part; in a released state, the elastic clamping part is opened under the action of air pressure from the first tube body, and the capsule endoscope is separated from the elastic clamping part.
5. The fluid retrieval device of claim 1, wherein the middle section of the capsule endoscope is configured as a cylindrical section, and the resilient clamp portion clamps at least a portion of the cylindrical section.
6. The device according to claim 1, wherein the elastic clamping portion is connected to an end of the capsule endoscope remote from the lens, and an inner wall of a cavity of the elastic clamping portion at least partially covers the end.
7. The fluid extraction device according to claim 5 or 6 wherein the inner wall of the elastic grip portion comprises a hemispherical inner wall having a maximum transverse diameter of a first diameter in a state where the elastic grip portion does not grip the capsule endoscope, and a maximum transverse diameter of a portion of the capsule endoscope in contact with the hemispherical inner wall is a second diameter, the first diameter being smaller than the second diameter.
8. The device according to claim 7, wherein the elastic clamping part has a U-shaped cross section along the axis of the capsule endoscope.
9. The fluid extraction device of claim 1, wherein the second end of the first tube is connected to the bottom of the resilient clamp and communicates with the cavity through the bottom of the cavity.
10. The fluid retrieval device of claim 1, further comprising a control mechanism, wherein the capsule endoscope has a magnet disposed therein, the control mechanism being configured to control the direction and speed of the capsule endoscope via the magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220420351.8U CN217566129U (en) | 2022-02-28 | 2022-02-28 | Liquid taking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220420351.8U CN217566129U (en) | 2022-02-28 | 2022-02-28 | Liquid taking device |
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CN217566129U true CN217566129U (en) | 2022-10-14 |
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CN202220420351.8U Active CN217566129U (en) | 2022-02-28 | 2022-02-28 | Liquid taking device |
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