CN219071338U - Three-cavity jejunum nutrition supply device - Google Patents
Three-cavity jejunum nutrition supply device Download PDFInfo
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- CN219071338U CN219071338U CN202222056545.7U CN202222056545U CN219071338U CN 219071338 U CN219071338 U CN 219071338U CN 202222056545 U CN202222056545 U CN 202222056545U CN 219071338 U CN219071338 U CN 219071338U
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- 235000016709 nutrition Nutrition 0.000 title claims abstract description 113
- 230000035764 nutrition Effects 0.000 title claims abstract description 113
- 210000001630 jejunum Anatomy 0.000 title claims abstract description 50
- 235000015097 nutrients Nutrition 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000000126 substance Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 210000001564 haversian system Anatomy 0.000 description 3
- 206010033645 Pancreatitis Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 210000004347 intestinal mucosa Anatomy 0.000 description 2
- 208000035943 Aphagia Diseases 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 208000019505 Deglutition disease Diseases 0.000 description 1
- 208000000461 Esophageal Neoplasms Diseases 0.000 description 1
- 206010016717 Fistula Diseases 0.000 description 1
- 206010021518 Impaired gastric emptying Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 208000005718 Stomach Neoplasms Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 201000004101 esophageal cancer Diseases 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 206010017758 gastric cancer Diseases 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 208000001288 gastroparesis Diseases 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000024348 heart neoplasm Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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Abstract
The utility model provides a three-cavity jejunum nutrition supply device, which comprises: a three-cavity jejunum nutrition tube, a nutrition pump tube and a connecting device; the three-cavity jejunum nutrition tube is a hose with one end closed, a plurality of side holes are arranged on the side wall of the tube body at the closed end, and a hard joint is arranged at the other end; the connecting device comprises an elastic hose, fastening devices are arranged at two ends of the elastic hose, and one end of the elastic hose is sleeved on the hard joint and locked through the fastening devices; one end of the nutrition pump pipe is nested in the inner part of the other end of the elastic hose and is locked by the fastening device. One closed end of the three-cavity jejunum nutrition tube is placed into a patient, one end of the elastic hose is fixed at the hard joint through the fastening device, the nutrition pump tube is plugged into the other end of the elastic hose, and the three-cavity jejunum nutrition tube is fixed through the fastening device, so that the joint is prevented from being broken or leaking in the process of injecting the nutrition substances. Solves the problems of inconvenient connection and infirm connection of the joint of the three-cavity jejunum nutrition tube and the joint of the nutrition pump tube.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a three-cavity jejunum nutrition supply device.
Background
With the development of medical technology, for patients who cannot eat for a long time (such as severe pancreatitis, patients after esophagus and cardiac cancer operation, gastric cancer and the like), enteral nutrition supply is needed, and an enteral nutrition tube fed through the gastrointestinal tract is a technical tool with remarkable health value and low cost.
The jejunal nutrient canal can prevent atrophy of intestinal mucosa of a patient, protect barrier function of the intestinal mucosa, prevent intestinal bacteria from shifting, prevent reflux and aspiration, and the like. Currently, the indications for placing jejunal feeding tubes are: those who are unable to eat normally, dysphagia, disturbance of consciousness or coma, and have no ability to eat; gastroparesis; severe pancreatitis; fistula of digestive tract; severe infection, surgery, trauma. The cases of placing jejunum nutrient canal can obtain good curative effect.
The current three-cavity jejunum nutrition tube is from taking plastic joint, and the inside of jejunum nutrition tube can't be nested to the toper head end of nutrition pump pipe, also can't connect through the plastic joint of three-cavity jejunum nutrition tube from taking, is made by medical personnel homemade connecting device usually, has to connect inconvenient, the insecure problem of connection.
Disclosure of Invention
The utility model aims to provide a three-cavity jejunum nutrition supply device which aims to solve the problems that an existing joint of a three-cavity jejunum nutrition pipe is not matched with a joint of a nutrition pump pipe, connection is inconvenient and connection is not firm.
The utility model provides a three-cavity jejunum nutrition supply device, which comprises: a three-cavity jejunum nutrition tube, a nutrition pump tube and a connecting device;
the three-cavity jejunum nutrition tube is a hose with one end closed, a plurality of side holes are formed in the side wall of the tube body at the closed end of the three-cavity jejunum nutrition tube, and a hard joint is arranged at the other end of the three-cavity jejunum nutrition tube;
the connecting device comprises an elastic hose, fastening devices are arranged at two ends of the elastic hose, and one end of the elastic hose is sleeved on the hard joint and locked through the fastening devices;
one end of the nutrition pump pipe is nested in the interior of the other end of the elastic hose, and the joint of the other end of the elastic hose and the nutrition pump pipe is locked by the fastening device.
Further, a hose branch is arranged on the elastic hose, the elastic hose is a Y-shaped three-way hose, and a sealing cover is covered at the inlet of the hose branch.
Further, a connecting strip is arranged between the hose branch and the sealing cover, one end of the connecting strip is connected to the lateral wall of the outer side of the hose branch, and the other end of the connecting strip is connected to the lateral surface of the sealing cover.
Further, a one-way valve is arranged in the connecting device, and the one-way valve is arranged at one end of the connecting device, which is connected with the three-cavity jejunum nutrition tube.
Further, the elastic hose is a rubber tube, the fastening device is a stainless steel hose clamp, and an ear-shaped handle is arranged at the locking position of the stainless steel hose clamp.
Further, the hard joint is tubular, a plurality of protruding blocks are arranged on the lateral wall of the outer side of one end, connected with the connecting device, of the hard joint, and one side, close to the connecting device, of each protruding block is provided with an inclined plane.
Further, two sides of one end of the three-cavity jejunum nutrition tube connected with the connecting device are respectively provided with a second branch and a third branch.
Further, the joints of the second branch and the third branch of the three-cavity jejunal nutrition tube are provided with hard joints.
Further, the three joints of the three-cavity jejunal nutrition tube adopt hard plastics with different colors or are stuck with labels.
Further, the joint that nutrition pump pipe and connecting device are connected is provided with the taper joint, is provided with boss structure on the taper joint.
By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:
the three-cavity jejunal nutrition supply device provided by the utility model comprises: a three-cavity jejunum nutrition tube, a nutrition pump tube and a connecting device;
the three-cavity jejunum nutrition tube is a hose with one end closed, a plurality of side holes are formed in the side wall of the tube body at the closed end of the three-cavity jejunum nutrition tube, and a hard joint is arranged at the other end of the three-cavity jejunum nutrition tube;
the connecting device comprises an elastic hose, fastening devices are arranged at two ends of the elastic hose, and one end of the elastic hose is sleeved on the hard joint and locked through the fastening devices;
one end of the nutrition pump pipe is nested in the interior of the other end of the elastic hose, and the joint of the other end of the elastic hose and the nutrition pump pipe is locked by the fastening device.
Placing one closed end of the three-cavity jejunum nutrition tube into a patient, sleeving one end of an elastic hose of a connecting device on the outer side of a hard joint of the three-cavity jejunum nutrition tube, fixing one end of the elastic hose at the hard joint through a fastening device, plugging one end of a nutrition pump tube into the other end of the elastic hose, and fixing one end of the nutrition pump tube inside the elastic hose through the fastening device; the three-cavity jejunum nutrition tube and the nutrition pump tube are connected through the elastic hose, and then are fixed through the fastening device, so that the connection part is prevented from being disconnected or leaking in the process of injecting nutrition substances to patients.
Solves the problems of the joint of the three-cavity jejunum nutrition tube and the nutrition pump tube that the joint is not adapted, the connection is inconvenient and the connection is not firm.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a three-chamber jejunal nutrition supply device provided by the present utility model;
FIG. 2 is a schematic view of a three-chamber jejunum feeding tube of the three-chamber jejunum feeding device provided by the utility model;
FIG. 3 is an enlarged view of a portion of the circled position of FIG. 2;
FIG. 4 is a schematic structural view of a connecting device of the three-cavity jejunum nutrition supply device provided by the utility model;
FIG. 5 is a cross-sectional view of a connection device for a three-lumen jejunal nutrient delivery device provided by the present utility model;
fig. 6 is a partial schematic view of a nutrition pump tube of the three-lumen jejunal nutrition supply device provided by the present utility model.
In the figure: 1-three-cavity jejunal nutrient canal, 11-hard joint, 12-bump, 13-second branch, 14-third branch, 15-cap, 2-connecting device, 21-elastic hose, 22-fastening device, 23-ear handle, 24-hose branch, 25-check valve, 26-cover, 27-connecting strip, 3-nutrient pump tube, 31-conical joint, 32-boss structure.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "center", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application provides a three-cavity jejunum nutrition supply device for when injecting nutrient substance for the patient of putting into jejunum nutrition pipe, three-cavity jejunum nutrition pipe 1 is convenient with nutrition pump line 3's connection, and is firm.
The three-cavity jejunal nutrition supply device provided in this embodiment, as shown in fig. 1, includes: a three-cavity jejunum nutrition tube 1, a nutrition pump tube 3 and a connecting device 2;
the three-cavity jejunum nutrition tube 1 is a hose with one closed end, a plurality of side holes are formed in the side wall of the tube body of the closed end of the three-cavity jejunum nutrition tube 1, and a hard interface is formed in the other end of the three-cavity jejunum nutrition tube 1;
the connecting device 2 comprises an elastic hose 21, wherein fastening devices 22 are arranged at two ends of the elastic hose 21, and one end of the elastic hose 21 is sleeved on the hard interface and is locked by the fastening devices 22;
one end of the nutrition pump tube 3 is nested in the other end of the elastic hose 21, and the joint of the other end of the elastic hose 21 and the nutrition pump tube 3 is locked by the fastening device 22.
In a specific use process, one closed end of the three-cavity jejunal nutrition tube 1 is placed into a patient, one end of an elastic hose 21 of the connecting device 2 is sleeved outside a hard interface of the three-cavity jejunal nutrition tube 1, one end of the elastic hose 21 is fixed at the hard interface through a fastening device 22, then one end of the nutrition pump tube 3 is plugged into the other end of the elastic hose 21, and one end of the nutrition pump tube 3 is fixed inside the elastic hose 21 through the fastening device 22; simultaneously, the three-cavity jejunum nutrition tube 1 and the nutrition pump tube 3 are connected through the elastic hose 21, then are fixed through the fastening device 22, and the connection part is prevented from being disconnected or leaking in the process of injecting the nutrition substances to patients through the structural design of the connecting device 2 matched with the fastening device 22.
In the specific technical scheme of the embodiment of the utility model, as shown in fig. 4, a hose branch 24 is arranged on the elastic hose 21, the elastic hose 21 is a Y-shaped three-way hose, and a sealing cover 26 is covered at the inlet of the hose branch 24.
When it is desired to inject another fluid substance into the patient, the cap 26 of the hose branch 24 of the connection device 2 is opened and the port containing the other fluid substance is inserted into the inlet of the hose branch 24. The medical staff can increase the variety of nutrient substances during the treatment of patients.
In a specific technical solution of the embodiment of the present utility model, a connecting strip 27 is disposed between the hose branch 24 and the cover 26, one end of the connecting strip 27 is connected to the outer side wall of the hose branch 24, and the other end of the connecting strip 27 is connected to the side surface of the cover 26.
The connecting strip 27 hangs the cover 26 on the side wall of the hose branch 24, so as to prevent the cover 26 from being lost after being opened when the hose branch 24 is used, and the hose branch 24 cannot be closed after being used.
In the specific technical scheme of the embodiment of the utility model, the three-cavity jejunal nutrition tube 1 is a polyurethane tube which is not transparent to X-rays, so that medical staff can observe the position of the three-cavity jejunal nutrition tube 1 in a patient through X-rays after intubatton.
In the specific technical scheme of the embodiment of the utility model, as shown in fig. 5, a one-way valve 25 is further arranged in the connecting device 2, and the one-way valve 25 is arranged at one end of the connecting device 2 connected with the three-cavity jejunal nutrition tube 1.
In the specific implementation, the one-way valve 25 in the connecting device 2 only allows the fluid to enter the three-cavity jejunum nutrition tube 1 from the nutrition pump tube 3, and does not allow the fluid to flow back into the nutrition pump tube 3 from the three-cavity jejunum nutrition tube 1, so that the nutrition liquid is effectively prevented from being polluted.
In a specific technical solution of the embodiment of the present utility model, as shown in fig. 4, the elastic hose 21 is a rubber tube, the fastening device 22 is a stainless steel hose, and an ear-shaped handle 23 is provided at a locking position of the stainless steel hose.
The flexible hose 21 can be made of various materials, but in the most preferred technical scheme, a medical grade rubber tube is preferably used, the medical grade rubber tube has elasticity, is more fastened when being connected with the joint of the nutrition pump tube 3 and the three-cavity jejunum nutrition tube 1, is not easy to leak, the stainless steel hose hoop further fixes the joint, is prevented from being influenced by external factors, is disconnected from the joint, and the ear-shaped handle 23 enables the stainless steel hose hoop to be directly screwed by hands when being fastened or loosened, does not need to use a specific tool, and is convenient for medical staff to use.
In a specific technical scheme of the embodiment of the utility model, as shown in fig. 3, the hard interface is tubular, a plurality of protruding blocks 12 are arranged on the lateral wall of the outer side of one end of the hard interface, which is connected with the connecting device 2, and one side, close to the connecting device 2, of the protruding blocks 12 is provided with an inclined plane.
When the elastic hose 21 of the connecting device 2 is about to be pulled out from the hard joint 11 after the laryngeal cuff is fastened by external force, the diameter of the hard joint 11 at the bump 12 is larger than that of the laryngeal cuff fastening position, so that the laryngeal cuff is prevented from being pulled out from the hard joint 11, and the resistance of the bump 12 in the process of nesting the elastic hose 21 on the hard joint 11 is reduced by the inclined surface on the bump 12.
In a specific technical scheme of the embodiment of the utility model, as shown in fig. 2, two sides of one end of the three-cavity jejunal nutrition tube 1 connected with the connecting device 2 are respectively provided with a second branch 13 and a third branch 14.
The second branch 13 and the third branch 14 of the three-cavity jejunal nutrition tube 1 are matched with the nutrition tube to realize one-time tube placement, solve the problems of gastrointestinal flushing, nutrition and decompression, avoid cross infection, be more beneficial to the use of patients and relieve the pain of the patients.
In the specific technical scheme of the embodiment of the utility model, the joints of the second branch 13 and the third branch 14 of the three-cavity jejunal nutrition tube 1 are provided with hard joints 11.
Specifically, the caps 15 are connected to the inlets of the hard connectors 11, the hard connectors 11 facilitate connection of the three-cavity jejunal nutrition tube 1 and other pipelines, and the caps 15 prevent pollutants such as dust from entering the connectors when the three-cavity jejunal nutrition tube 1 is not in use.
In the specific technical scheme of the embodiment of the utility model, three joints of the three-cavity jejunal nutrition tube 1 are made of hard plastics with different colors or are stuck with labels.
The hard connectors 11 or the adhesive labels with different colors are adopted to facilitate the medical staff to distinguish the three connectors when in use, so that the medical staff is prevented from distinguishing the three hard connectors 11 by mistake.
In the specific technical solution of the embodiment of the present utility model, as shown in fig. 6, a conical joint 31 is provided at the joint where the nutrition pump tube 3 is connected to the connection device 2, and a boss structure 32 is provided on the conical joint 31.
The tapered joint 31 facilitates the insertion of the nutrition pump tube 3 into the elastic hose 21, and the boss structure 32 on the tapered joint 31 prevents the fastening device 22 from being fixed to the tapered joint 31 and prevents the elastic hose 21 from being separated from the tapered joint 31.
Placing the closed end of the three-cavity jejunum nutrition tube 1 into a patient, sleeving one end of an elastic hose 21 of the connecting device 2 outside a hard interface of the three-cavity jejunum nutrition tube 1, fixing one end of the elastic hose 21 at the hard interface through a fastening device 22, then inserting one end of the nutrition pump tube 3 into the other end of the elastic hose 21, and fixing one end of the nutrition pump tube 3 inside the elastic hose 21 through the fastening device 22; the three-cavity jejunal nutrition tube 1 and the nutrition pump tube 3 are connected through the elastic hose 21 and then fixed through the fastening device 22, so that the connection part is prevented from being broken or leaking in the process of injecting the nutrition substances to patients.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are only required to be seen with each other; the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; embodiments and features of embodiments in this application may be combined with each other without conflict. Such modifications, substitutions and combinations do not depart from the spirit of the utility model.
Claims (10)
1. A three-lumen jejunal nutrient delivery device comprising: a three-cavity jejunum nutrition tube, a nutrition pump tube and a connecting device;
the three-cavity jejunum nutrition tube is a hose with one closed end, a plurality of side holes are formed in the side wall of the tube body at the closed end of the three-cavity jejunum nutrition tube, and a hard joint is arranged at the other end of the three-cavity jejunum nutrition tube;
the connecting device comprises an elastic hose, fastening devices are arranged at two ends of the elastic hose, and one end of the elastic hose is sleeved on the hard joint and locked by the fastening devices;
one end of the nutrition pump pipe is nested in the inner part of the other end of the elastic hose, and the joint of the other end of the elastic hose and the nutrition pump pipe is locked through the fastening device.
2. The three-cavity jejunal nutrition supply device of claim 1, wherein the flexible hose is provided with a hose branch, the flexible hose is a Y-shaped three-way hose, and the inlet of the hose branch is covered with a cover.
3. The three-chamber jejunal nutrient supplying device according to claim 2, wherein a connecting bar is arranged between the hose branch and the cover, one end of the connecting bar is connected to the outer side wall of the hose branch, and the other end of the connecting bar is connected to the side surface of the cover.
4. The three-chamber jejunal nutrition supply device of claim 2, wherein a one-way valve is provided inside said connection device, said one-way valve being provided at one end of said connection device connected to said three-chamber jejunal nutrition tube.
5. The three-lumen jejunal nutrient supply device of claim 1, wherein said flexible hose is a rubber tube, said fastening means is a stainless steel hose clamp, and an ear-shaped handle is provided at the locking position of said stainless steel hose clamp.
6. The three-chamber jejunal nutrient supplying device according to claim 1, wherein the rigid joint is tubular, a plurality of protruding blocks are arranged on the outer side wall of one end of the rigid joint connected with the connecting device, and one side of the protruding blocks close to the connecting device is provided with an inclined plane.
7. The three-lumen jejunal nutrient supply device of claim 1, wherein the two sides of the end of the three-lumen jejunal nutrient tube connected to the connecting means are provided with a second branch and a third branch, respectively.
8. The three-lumen jejunal nutrient supply device of claim 7, wherein rigid joints are provided at the joints of the second and third branches of the three-lumen jejunal nutrient tube.
9. The three-lumen jejunal nutrient supply device of claim 8, wherein the three connectors of the three lumen jejunal nutrient tube are of different colored rigid plastic or are labeled.
10. The three-chamber jejunal nutrient supply device of claim 1, wherein a conical joint is provided at the joint of the nutrient pump tube and the connecting device, and a boss structure is provided on the conical joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222056545.7U CN219071338U (en) | 2022-08-05 | 2022-08-05 | Three-cavity jejunum nutrition supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222056545.7U CN219071338U (en) | 2022-08-05 | 2022-08-05 | Three-cavity jejunum nutrition supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219071338U true CN219071338U (en) | 2023-05-26 |
Family
ID=86389149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222056545.7U Active CN219071338U (en) | 2022-08-05 | 2022-08-05 | Three-cavity jejunum nutrition supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219071338U (en) |
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2022
- 2022-08-05 CN CN202222056545.7U patent/CN219071338U/en active Active
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