CN219662432U - Urethral catheterization device - Google Patents
Urethral catheterization device Download PDFInfo
- Publication number
- CN219662432U CN219662432U CN202320541360.7U CN202320541360U CN219662432U CN 219662432 U CN219662432 U CN 219662432U CN 202320541360 U CN202320541360 U CN 202320541360U CN 219662432 U CN219662432 U CN 219662432U
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- Prior art keywords
- drainage tube
- clamping block
- liquid
- tube
- choked flow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 claims abstract description 63
- 230000000903 blocking effect Effects 0.000 claims description 47
- 210000005239 tubule Anatomy 0.000 claims description 21
- 230000002485 urinary effect Effects 0.000 claims description 12
- 210000005077 saccule Anatomy 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 10
- 239000011780 sodium chloride Substances 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 8
- 210000002700 urine Anatomy 0.000 abstract description 8
- 230000003902 lesion Effects 0.000 abstract description 6
- 206010005003 Bladder cancer Diseases 0.000 description 7
- 208000007097 Urinary Bladder Neoplasms Diseases 0.000 description 7
- 201000005112 urinary bladder cancer Diseases 0.000 description 7
- 238000007689 inspection Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 208000000693 Neurogenic Urinary Bladder Diseases 0.000 description 3
- 206010029279 Neurogenic bladder Diseases 0.000 description 3
- 201000003146 cystitis Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000029162 bladder disease Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 208000026533 urinary bladder disease Diseases 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a catheterization device, which comprises: the drainage tube, one side of the drainage tube has liquid guiding tube, one end of the liquid guiding tube is communicated with one end of the drainage tube, another end of the liquid guiding tube is connected with liquid holding bag; the balloon is arranged at the end part of the drainage tube and is far away from one end of the catheter, a thin tube is arranged at the other side of the drainage tube, and one end of the thin tube extends into the drainage tube from one end of the drainage tube and extends to the inside of the balloon through the other end of the drainage tube. According to the urethral catheterization device provided by the utility model, due to the cooperation design of the structures, a proper amount of saline or required liquid can be injected into the bladder by the device, so that the bladder is properly filled, the display of bladder lesions in magnetic resonance examination is facilitated, the saline or the required liquid can be led out after the examination is completed, and the influence on examination caused by incapability of the bladder of a patient to automatically fill through suffocating urine can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of bladder filling control, in particular to a urethral catheterization device.
Background
Bladder cancer is one of the most common malignant tumors of the urinary system, and the stage of bladder cancer is critical to its treatment and prognosis. MRI examination has good soft tissue resolution, can diagnose bladder cancer and accurately stage the bladder cancer, and has wider clinical application.
In the case of bladder magnetic resonance examination, it is necessary to properly fill (300 ml) the bladder to change the bladder disease, but some patients suffer from various diseases (bladder cancer, cystitis, neurogenic bladder) and the bladder cannot be filled by suffocating urine, so that the examination is affected.
In summary, the following technical problems exist in the prior art: for the reason that some patients suffer from various diseases (bladder cancer, cystitis and neurogenic bladder), the bladder can not automatically fill through suffocating urine, so that examination is affected, the utility model provides a urethral catheterization device, and provides a new technical scheme for solving the technical problems in the prior art.
Disclosure of Invention
Based on the above, it is necessary to provide a urethral catheterization device, through the cooperation design of the multiple structures, a proper amount of saline or required liquid can be injected into the bladder by the device, so that the bladder is properly filled, the bladder lesion can be displayed in the magnetic resonance examination, the saline or required liquid can be led out after the examination is completed, and the influence on the examination caused by the incapability of the bladder of a patient to be filled with urine by itself can be effectively reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a urinary catheterization device for bladder filling control.
The catheterization device specifically comprises:
the drainage tube, one side of the drainage tube is provided with a liquid guide tube, one end of the liquid guide tube is communicated with one end of the drainage tube, and the other end of the liquid guide tube is connected with a liquid containing bag;
the balloon is arranged at the end part of the drainage tube and is far away from one end of the catheter, a thin tube is arranged at the other side of the drainage tube, and one end of the thin tube extends into the drainage tube from one end of the drainage tube, extends out of the drainage tube through the other end of the drainage tube and extends into the balloon;
the first flow blocking piece is arranged on the liquid guide pipe and used for controlling the opening and closing of the liquid guide pipe;
the second flow blocking piece is arranged at one end of the drainage tube far away from the saccule and is used for controlling the opening and closing control of the drainage tube;
and the third flow blocking piece is arranged on the thin tube and is far away from one end of the saccule and used for controlling the opening and closing control of the thin tube.
As a preferred implementation mode of the urethral catheterization device provided by the utility model, the catheter is connected with the liquid containing bag through the liquid guiding interface and the connecting pipe, the liquid guiding interface is fixed with the end part of the catheter, one end of the connecting pipe is connected with the liquid containing bag, and the other end of the connecting pipe is connected with the liquid guiding interface in a plugging manner.
As a preferred implementation mode of the urethral catheterization device provided by the utility model, one end of the tubule, which is far away from the balloon, is fixed with a syringe interface.
As a preferred embodiment of the catheterization device provided by the utility model, the second flow blocking piece comprises a fixed frame, the fixed frame is sleeved outside the drainage tube, the upper end of the fixed frame is connected with a flow blocking bolt in a threaded manner, and one end of the flow blocking bolt, which is in contact with the inside of the fixed frame, is in contact with the drainage tube.
As a preferred embodiment of the urethral catheterization device provided by the utility model, the first flow blocking piece, the second flow blocking piece and the third flow blocking piece have the same structure.
As a preferred embodiment of the urethral catheterization device provided by the utility model, the third choked flow piece comprises a choked flow clamping block I and a choked flow clamping block II, the choked flow clamping block I and the choked flow clamping block II are sleeved outside the thin pipe, the choked flow clamping block I and the choked flow clamping block II are symmetrically arranged, limiting insertion holes are formed in the choked flow clamping block I and the choked flow clamping block II, the third choked flow piece further comprises a fixing clamp, the fixing clamp is in a U shape, and two ends of an opening of the fixing clamp are respectively connected with the limiting insertion holes formed in the choked flow clamping block I and the choked flow clamping block II in an inserting mode.
Compared with the prior art, the utility model has the following beneficial effects:
according to the urethral catheterization device provided by the utility model, due to the cooperation design of a plurality of structures, a proper amount of saline or required liquid can be injected into the bladder by the device, so that the bladder is properly filled, the display of bladder lesions in magnetic resonance examination is facilitated, the saline or the required liquid can be led out after the examination is completed, and the influence on examination caused by incapability of the bladder of a patient to automatically fill through suffocating urine can be effectively reduced.
According to the urethral catheterization device provided by the utility model, through the structural design of the limiting component, the switch closing of the pipeline can be conveniently and quickly controlled when the device is used, the structure is simple, the operation is convenient, and the structure does not contain metal, so that the device can be applied to environments with magnetic fields such as nuclear magnetic accelerators and nuclear magnetic inspection.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a urinary catheterization apparatus provided by the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the urinary catheterization apparatus provided by the present utility model;
FIG. 3 is a schematic view of a second flow blocking member of the urinary catheterization apparatus of the present utility model;
FIG. 4 is a schematic view of a third flow blocking member of the urinary catheterization apparatus of the present utility model;
fig. 5 is a schematic structural view of a catheter according to the present utility model after bending.
The labels in the figures are illustrated below:
1. a drainage tube; 2. a catheter; 3. a tubule; 4. a first choke; 5. a second flow blocking member; 6. a third flow blocking member; 7. a liquid containing bag; 8. a connecting pipe; 9. a syringe interface; 10. a balloon; 11. a liquid guide interface; 12. a fixing frame; 13. a choke bolt; 14. a choke clamping block I; 15. a choke clamping block II; 16. limiting jack; 17. and (5) fixing the clamp.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As described in the background art, some patients suffer from various conditions (bladder cancer, cystitis, neurogenic bladder), and the bladder cannot spontaneously fill with suffocating urine, resulting in an affected examination.
In order to solve the technical problem, the utility model provides a urethral catheterization device which is applied to bladder filling volume control.
Specifically, referring to fig. 1-3, the urinary catheterization apparatus specifically includes:
the drainage tube 1, one side of the drainage tube 1 is provided with a liquid guide tube 2, one end of the liquid guide tube 2 is communicated with one end of the drainage tube 1, and the other end of the liquid guide tube 2 is connected with a liquid containing bag 7;
a balloon 10 provided at an end of the drainage tube 1 and away from one end of the catheter 2, the other side of the drainage tube 1 being provided with a tubule 3, one end of the tubule 3 extending into the drainage tube 1 from one end of the drainage tube 1 and extending through the other end of the drainage tube 1 and into the balloon 10;
a first flow blocking piece 4 which is arranged on the liquid guiding tube 2 and is used for controlling the opening and closing of the liquid guiding tube 2;
a second flow blocking piece 5 which is arranged at one end of the drainage tube 1 far away from the saccule 10 and is used for controlling the opening and closing control of the drainage tube 1;
and a third flow blocking piece 6 which is arranged on the tubule 3 and is far away from one end of the saccule 10 and is used for controlling the opening and closing control of the tubule 3.
According to the urethral catheterization device provided by the utility model, due to the cooperation design of a plurality of structures, a proper amount of saline or required liquid can be injected into the bladder by the device, so that the bladder is properly filled, the display of bladder lesions in magnetic resonance examination is facilitated, the saline or the required liquid can be led out after the examination is completed, and the influence on examination caused by incapability of the bladder of a patient to automatically fill through suffocating urine can be effectively reduced.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1:
referring to fig. 1-3, a urinary catheterization apparatus comprising:
the drainage tube 1, one side of the drainage tube 1 is provided with a liquid guide tube 2, one end of the liquid guide tube 2 is communicated with one end of the drainage tube 1, and the other end of the liquid guide tube 2 is connected with a liquid containing bag 7; wherein, in order to be convenient for liquid holds the connection of bag 7 and catheter 2 and liquid holds the dismantlement, the change of bag 7, be connected through drain interface 11 and connecting pipe 8 between catheter 2 and the liquid holds bag 7, drain interface 11 and catheter 2 end fixing, the one end of connecting pipe 8 is connected with liquid holds bag 7, the other end and the drain interface 11 grafting of connecting pipe 8 are connected, and specifically, the capacity of liquid holds bag 7 is 300ml.
A balloon 10 provided at an end of the drainage tube 1 and away from one end of the catheter 2, the other side of the drainage tube 1 being provided with a tubule 3, one end of the tubule 3 extending into the drainage tube 1 from one end of the drainage tube 1 and extending through the other end of the drainage tube 1 and into the balloon 10; wherein, in order to facilitate the connection of the tubule 3 and the syringe and the injection of liquid into the balloon 10, one end of the tubule 3 far away from the balloon 10 is fixed with a syringe interface 9.
A first flow blocking piece 4 which is arranged on the liquid guiding tube 2 and is used for controlling the opening and closing of the liquid guiding tube 2;
a second flow blocking piece 5 which is arranged at one end of the drainage tube 1 far away from the saccule 10 and is used for controlling the opening and closing control of the drainage tube 1;
and a third flow blocking piece 6 which is arranged on the tubule 3 and is far away from one end of the saccule 10 and is used for controlling the opening and closing control of the tubule 3.
Specifically, the second flow blocking piece 5 comprises a fixed frame 12, the fixed frame 12 is sleeved outside the drainage tube 1, the upper end of the fixed frame 12 is connected with a flow blocking bolt 13 in a threaded manner, and one end of the flow blocking bolt 13, which is in contact with the inside of the fixed frame 12, is in contact with the drainage tube 1; when the drainage tube 1 is plugged, the flow blocking bolt 13 is connected with the screw thread of the fixing frame 12, so that one end of the flow blocking bolt 13 can squeeze the drainage tube 1 by screwing the flow blocking bolt 13, and the drainage tube 1 is closed by compression deformation.
Further, the first choke piece 4, the second choke piece 5 and the third choke piece 6 have the same structure.
It can be seen that, when in use, one end of the drainage tube 1 with the saccule 10 is inserted into a patient, the first flow blocking piece 4 is opened, the second flow blocking piece 5 is closed, and a proper amount of saline can be injected into the bladder of the patient by squeezing the liquid containing bag 7, so that the bladder is properly filled, and the display of bladder lesions in magnetic resonance examination is facilitated; after the detection, the first flow blocking piece 4 can be closed, and the second flow blocking piece 5 can be opened to lead out the introduced brine. In order to avoid the accidental discharge of the liquid in the patient, the syringe interface 9 can be connected through a syringe, and the liquid can be injected into the balloon 10 through the tubule 3, so that the balloon 10 is inflated, and the accidental discharge of the liquid in the patient can be effectively avoided.
Through the cooperation design of many structures for the device can pour into right amount of salt solution or required liquid into the bladder into to make the bladder moderately full, be favorable to the demonstration of bladder pathological change in the magnetic resonance inspection, also can derive salt solution or required liquid after the inspection is accomplished, can effectively reduce and lead to the inspection to receive the influence because of patient's bladder can't be through holding down the independent filling of urine.
Example 2:
for further optimization of the urethral catheterization device provided in embodiment 1, specifically, as shown in fig. 4-5, the third choked flow piece 6 includes a choked flow clamping block one 14 and a choked flow clamping block two 15, the choked flow clamping block one 14 and the choked flow clamping block two 15 are both sleeved outside the tubule 3, the choked flow clamping block one 14 and the choked flow clamping block two 15 are symmetrically arranged, limiting insertion holes 16 are formed in the choked flow clamping block one 14 and the choked flow clamping block two 15, the third choked flow piece 6 further includes a fixing clamp 17, the fixing clamp 17 is in a U shape, and two ends of an opening of the fixing clamp 17 are respectively connected with the limiting insertion holes 16 formed in the choked flow clamping block one 14 and the choked flow clamping block two 15 in an inserting manner.
Through the structural design, the switch of the pipeline can be conveniently and rapidly controlled to be closed when the device is used through the structural design of the limiting component, the structure is simple, the operation is convenient, and the structure does not contain metal, so that the device can be applied to environments with magnetic fields such as nuclear magnetic accelerators and nuclear magnetic inspection; after the balloon 10 is inflated by injecting liquid into the balloon 10, the tubule 3 is blocked by the third flow blocking piece 6 to prevent the liquid from flowing out, as shown in fig. 5, the part of the tubule 3 between the first flow blocking clamp block 14 and the second flow blocking clamp block 15 is bent to shorten the distance between the first flow blocking clamp block 14 and the second flow blocking clamp block 15, and the bending part of the tubule 3 is extruded by inserting the fixing clamp 17 into the first flow blocking clamp block 14 and the second flow blocking clamp block 15, so that the blocking of the tubule 3 is realized.
The use process of the urethral catheterization device provided by the utility model is as follows: when in use, one end of the drainage tube 1 with the saccule 10 is inserted into a patient, the first flow blocking piece 4 is opened, the second flow blocking piece 5 is closed, and a proper amount of saline can be injected into the bladder of the patient by squeezing the liquid containing bag 7, so that the bladder is properly filled, and the display of bladder lesions in magnetic resonance examination is facilitated; after the detection, the first flow blocking piece 4 can be closed, and the second flow blocking piece 5 can be opened to lead out the introduced brine. In order to avoid the accidental discharge of the liquid in the patient, the syringe interface 9 can be connected through a syringe, and the liquid can be injected into the balloon 10 through the tubule 3, so that the balloon 10 is inflated, and the accidental discharge of the liquid in the patient can be effectively avoided.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (6)
1. A urinary catheterization apparatus, comprising:
the drainage tube (1), one side of drainage tube (1) is provided with catheter (2), one end of catheter (2) is linked together with one end of drainage tube (1), the other end of catheter (2) is connected with liquid and holds bag (7);
the balloon (10) is arranged at the end part of the drainage tube (1) and is far away from one end of the catheter (2), a thin tube (3) is arranged at the other side of the drainage tube (1), and one end of the thin tube (3) extends into the drainage tube (1) from one end of the drainage tube (1) and extends out of the other end of the drainage tube (1) and into the balloon (10);
the first flow blocking piece (4) is arranged on the liquid guide pipe (2) and is used for controlling the opening and closing of the liquid guide pipe (2);
the second flow blocking piece (5) is arranged at one end of the drainage tube (1) far away from the saccule (10) and is used for controlling the opening and closing control of the drainage tube (1);
and the third flow blocking piece (6) is arranged on the thin tube (3) and is far away from one end of the saccule (10) and used for controlling the opening and closing control of the thin tube (3).
2. The urinary catheterization device according to claim 1, characterized in that the catheter (2) is connected with the liquid containing bag (7) through a liquid guiding interface (11) and a connecting pipe (8), the liquid guiding interface (11) is fixed with the end of the catheter (2), one end of the connecting pipe (8) is connected with the liquid containing bag (7), and the other end of the connecting pipe (8) is connected with the liquid guiding interface (11) in a plugging manner.
3. A urinary catheterization device according to claim 1, characterized in that the end of the tubule (3) remote from the balloon (10) is fixed with a syringe interface (9).
4. The urethral catheterization device according to claim 1, characterized in that the second flow blocking piece (5) comprises a fixing frame (12), the fixing frame (12) is sleeved outside the drainage tube (1), a flow blocking bolt (13) is connected to the upper end of the fixing frame (12) in a threaded mode, and one end, inside the fixing frame (12), of the flow blocking bolt (13) is attached to the drainage tube (1).
5. The urinary catheterization device according to claim 4, characterized in that the first (4), the second (5) and the third (6) flow-blocking members are of identical structure.
6. The urethral catheterization device according to claim 1, characterized in that the third choked flow piece (6) comprises a choked flow clamping block I (14) and a choked flow clamping block II (15), the choked flow clamping block I (14) and the choked flow clamping block II (15) are sleeved outside the tubule (3), the choked flow clamping block I (14) and the choked flow clamping block II (15) are symmetrically arranged, limiting insertion holes (16) are formed in the choked flow clamping block I (14) and the choked flow clamping block II (15), the third choked flow piece (6) further comprises a fixing clamp (17), the fixing clamp (17) is arranged into a U shape, and two ends of an opening of the fixing clamp (17) are respectively connected with the limiting insertion holes (16) formed in the choked flow clamping block I (14) and the choked flow clamping block II (15) in a plugging mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320541360.7U CN219662432U (en) | 2023-03-20 | 2023-03-20 | Urethral catheterization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320541360.7U CN219662432U (en) | 2023-03-20 | 2023-03-20 | Urethral catheterization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219662432U true CN219662432U (en) | 2023-09-12 |
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ID=87892880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320541360.7U Active CN219662432U (en) | 2023-03-20 | 2023-03-20 | Urethral catheterization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219662432U (en) |
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- 2023-03-20 CN CN202320541360.7U patent/CN219662432U/en active Active
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