CN219127963U - Anorectal drug administration device - Google Patents
Anorectal drug administration device Download PDFInfo
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- CN219127963U CN219127963U CN202223517637.7U CN202223517637U CN219127963U CN 219127963 U CN219127963 U CN 219127963U CN 202223517637 U CN202223517637 U CN 202223517637U CN 219127963 U CN219127963 U CN 219127963U
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Abstract
The utility model discloses an anorectal drug feeder, and relates to the technical field of medical appliances. The anorectal drug feeder comprises a prefabricated drug component and a drug feeding pipe component, wherein the prefabricated drug component comprises a powder storage and a water agent storage, the powder storage is stored with powder drugs, the water agent storage is stored with water agent drugs, the powder storage comprises a first pair of interfaces, the water agent storage comprises a second pair of interfaces, the first pair of interfaces and the second pair of interfaces are in butt joint communication, and the powder drugs and the water agent drugs can be uniformly mixed to form a drug mixed solution to be reserved in the powder storage or the water agent storage. The powder storage or the water agent storage can be connected with the administration tube assembly, the administration tube assembly is inserted into an intestinal canal through anus so as to send the medicine mixed liquid, and the insertion end of the administration tube assembly is provided with a conical guide surface. The anorectal drug delivery device provided by the utility model is convenient for a patient to configure and use, is not easy to damage anus and intestinal canal, reduces the pain of the patient when the patient takes the drug, and reduces the treatment cost.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an anorectal drug feeder.
Background
Due to the high incidence of anorectal diseases caused by eating problems, surgical treatment or rectal administration is required to be carried out on the lesion part of a patient so as to achieve better treatment effect. Wherein, rectal administration refers to an administration method for delivering a drug into the intestinal canal through the anus, and rapidly absorbed into the large circulation through the rectal mucosa, thereby exerting the drug effect to treat the systemic or local diseases of patients.
Most of the existing medicines which are administered through anorectal are in the form of liquid medicine, the shelf life of the medicines in the form of liquid medicine is short, and the liquid medicine prepared by mixing powdery medicines and water aqua medicines needs to be operated by medical staff, so that the operation of patients is inconvenient, and the treatment cost of the patients is high.
Disclosure of Invention
The utility model aims to provide an anorectal drug delivery device which is convenient for patients to prepare liquid medicine and has low treatment cost.
To achieve the purpose, the utility model adopts the following technical scheme:
an anorectal drug delivery device comprising:
the prefabricated medicine component comprises a powder storage and a water aqua storage, wherein the powder storage stores powder medicines, the water aqua storage stores water aqua medicines, the powder storage comprises a first pair of interfaces, the water aqua storage comprises a second pair of interfaces, the first pair of interfaces and the second pair of interfaces are in butt joint communication, and the powder medicines and the water aqua medicines can be uniformly mixed to form medicine mixed liquid to be reserved in the powder storage or the water aqua storage;
the powder storage or the water aqua storage can be connected with the administration tube assembly, the administration tube assembly is inserted into an intestinal tube through anus so as to send the medicine mixed liquid in, and the insertion end of the administration tube assembly is provided with a conical guide surface.
As an alternative scheme of the anorectal drug feeder, the powder storage comprises a powder storage tube and a powder piston push rod, the powder piston push rod is slidably arranged in the powder storage tube, a powder storage cavity is arranged in the powder storage tube, the powder drug is stored in the powder storage cavity, the powder storage cavity is communicated with the first butt joint, and the powder piston push rod acts on the powder drug to push the powder drug to the first butt joint.
As an alternative scheme of anus intestines ware of dosing, the water aqua memory includes water aqua storage tube and water aqua piston push rod, water aqua piston push rod slide locates the water aqua storage tube, be equipped with the water aqua storage chamber in the water aqua storage tube, water aqua medicine store in the water aqua storage chamber, water aqua storage chamber with the second is to the interface intercommunication, water aqua piston push rod acts on the water aqua medicine, can with water aqua medicine is pushed to the second is to the interface.
As an alternative to the anorectal drug delivery device, the first pair of interfaces and the second pair of interfaces are connected by a two-way valve such that the first pair of interfaces and the second pair of interfaces are in abutting communication.
As an alternative scheme of the anorectal drug feeder, two ends of the two-way valve are respectively spliced with the first pair of interfaces and the second pair of interfaces; or alternatively, the first and second heat exchangers may be,
and two ends of the two-way valve are respectively in threaded connection with the first pair of interfaces and the second pair of interfaces.
As an alternative of the anorectal drug feeder, a powder protecting cap is arranged at one end of the first butt joint far away from the powder storage tube; and one end of the second butt joint, which is far away from the water aqua storage tube, is provided with a water aqua protective cap.
As an alternative scheme of the anorectal drug delivery device, the drug delivery tube assembly comprises a drug delivery tube, one end of the drug delivery tube is provided with a connector, the other end of the drug delivery tube is provided with a liquid outlet, and one end where the liquid outlet is located is an insertion end of the drug delivery tube assembly; the connector is connected with the powder storage or the water aqua storage, the administration tube is inserted into the intestinal canal through anus, and the medicine mixed liquid is fed through the liquid outlet.
As an alternative scheme of the anorectal drug delivery device, the drug delivery tube assembly further comprises a drug delivery tube, one end of the drug delivery tube is connected with the connector, the other end of the drug delivery tube is communicated with the liquid outlet, and the drug delivery tube is arranged in the drug delivery tube.
As an alternative to anorectal applicators, the tube is made of silica gel.
As an alternative to anorectal applicators, the powder reservoir, the aqueous reservoir and the delivery tube assembly are individually packaged by paper plastic bags.
The utility model has the beneficial effects that:
the anorectal drug delivery device comprises a prefabricated drug component and a drug delivery tube component, wherein the prefabricated drug component comprises a powder storage and a water delivery tube storage, the powder drug and the water delivery tube are respectively stored in the powder storage and the water delivery tube storage, the first pair of interfaces of the powder storage and the second pair of interfaces of the water delivery tube storage are in butt joint communication, the powder drug and the water delivery tube storage can be uniformly mixed to form a drug mixed solution to be reserved in the powder storage or the water delivery tube storage, the powder storage or the water delivery tube storage reserved with the drug mixed solution is connected with the drug delivery tube component, and the drug delivery tube component is inserted into an intestinal tube through anus so as to smoothly deliver the drug mixed solution into the intestinal tube. The conical guide surface arranged at the insertion end of the administration tube assembly can reduce the damage to anus and intestinal canal. The anorectal drug delivery device provided by the utility model is convenient for patients to prepare drugs and use, is not easy to damage anus and intestinal canal, reduces pain of patients when the patients use drugs, and reduces treatment cost of the patients.
Drawings
FIG. 1 is a schematic diagram of a powder storage device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a water aqua storage according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a powder storage and water storage butt-joint configuration drug according to an embodiment of the present utility model;
fig. 4 is a schematic view of the structure of an administration tube assembly according to an embodiment of the present utility model.
In the figure:
1. a powder storage; 11. a powder storage tube; 12. a powder piston push rod; 13. a first pair of interfaces; 14. powder protective cap;
2. a water agent storage; 21. a water agent storage tube; 22. a water agent piston push rod; 23. a second pair of interfaces; 24. a two-way valve; 25. protective cap of aqua;
3. a drug delivery tube assembly; 31. a drug administration tube; 32. a connector; 33. a delivery tube for administration.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.
Because the quality guarantee period of the medicine mixed solution for treating anorectal diseases is short, in order to prolong the quality guarantee period of the medicine, the anorectal medicine feeder provided by the embodiment independently packages the powdery medicine and the water aqua medicine, and when the medicine is used, the powdery medicine and the water aqua medicine are uniformly mixed to prepare the medicine mixed solution, so that the effectiveness of the medicine is improved. In order to facilitate the patient to prepare the medicine, the embodiment provides an anorectal medicine feeder which is used for the patient to prepare the medicine mixed solution and for the patient to use the prepared medicine mixed solution for anorectal, and is safe, sanitary, convenient and quick.
As shown in fig. 1-3, the anorectal drug delivery device provided by the embodiment comprises a pre-drug component and a drug delivery tube component 3, wherein the pre-drug component comprises a powder storage 1 and a water storage 2, the powder storage 1 stores powder drugs, the water storage 2 stores water drugs, the powder storage 1 comprises a first pair of interfaces 13, the water storage 2 comprises a second pair of interfaces 23, the first pair of interfaces 13 and the second pair of interfaces 23 are in butt joint communication, and a drug mixture can be formed by uniformly mixing the powder drugs and the water drugs and is reserved in the powder storage 1 or the water storage 2. The powder storage 1 or the water agent storage 2 can be connected with the administration tube assembly 3, the administration tube assembly 3 is inserted into an intestinal canal through anus so as to send the medicine mixed liquid, and the insertion end of the administration tube assembly 3 is provided with a conical guide surface.
The first pair of interfaces 13 of the powder storage 1 and the second pair of interfaces 23 of the water storage 2 are in butt joint communication, the powder medicine and the water medicine are mixed through the first pair of interfaces 13 and the second pair of interfaces 23 to form medicine mixed liquid, then the medicine mixed liquid is reserved in the powder storage 1 or the water storage 2 which can be connected with the administration tube assembly 3, the administration tube assembly 3 is inserted into an intestinal canal through anus, and then the medicine mixed liquid is fed, so that the whole process sterile operation is realized, the disposable use is realized, the safety and the sanitation are realized, and the cross infection can be effectively prevented. The conical guide surface arranged at the insertion end of the administration tube assembly 3 is not easy to damage anus and intestinal canal, so that the pain of a patient during administration is relieved, and the treatment cost of the patient is reduced.
As shown in fig. 1, the powder storage 1 comprises a powder storage tube 11 and a powder piston push rod 12, the powder piston push rod 12 is slidably arranged in the powder storage tube 11, a powder storage cavity is arranged in the powder storage tube 11, powder medicine is stored in the powder storage cavity, the powder storage cavity is communicated with the first pair of interfaces 13, and the powder piston push rod 12 acts on the powder medicine to push the powder medicine to the first pair of interfaces 13. The powder storage 1 is designed into a structure of an injector, so that not only is the storage and the packaging of the powder medicine convenient, but also the pushing of the powder medicine and the mixing of the water agent medicine are convenient, the powder storage is not contacted with the external environment in the operation process, and the sterile environment is ensured.
As shown in fig. 2, the water storage 2 includes a water storage tube 21 and a water piston push rod 22, the water piston push rod 22 is slidably disposed in the water storage tube 21, a water storage cavity is disposed in the water storage tube 21, a water medicine is stored in the water storage cavity, the water storage cavity is communicated with the second pair of interfaces 23, and the water piston push rod 22 acts on the water medicine to push the water medicine to the second pair of interfaces 23. Similarly, the water aqua storage 2 is also arranged in a structure of an injector, so that water aqua medicine and push water aqua medicine can be conveniently stored and mixed with powdery medicine, and the water aqua storage is not contacted with the external environment in the operation process, and is safe and sanitary.
As an alternative to the anorectal applicator, the first pair of ports 13 and the second pair of ports 23 are plugged or screwed. The first pair of interfaces 13 and the second pair of interfaces 23 are designed into an adaptive plug-in interface or a screw interface, so that powder in the powder storage tube 11 can enter the water aqua storage tube 21 to be mixed with water aqua medicine through the first pair of interfaces 13 and the second pair of interfaces 23 under the thrust action of the powder piston push rod 12, and the water aqua medicine in the water aqua storage tube 21 can enter the powder storage tube 11 to be mixed with the powder medicine through the second pair of interfaces 23 and the first pair of interfaces 13 under the thrust action of the water aqua piston push rod 22, and the powder medicine and the water aqua medicine are uniformly mixed to form medicine mixed liquid under the interaction of the powder piston push rod 12 and the water aqua piston push rod 22.
In order to avoid leakage of the powdered medicament and the liquid medicament from the junction of the first pair of ports 13 and the second pair of ports 23 under the interaction of the powdered medicament plunger 12 and the liquid medicament plunger 22, the first pair of ports 13 and the second pair of ports 23 are connected by a two-way valve 24 so that the first pair of ports 13 and the second pair of ports 23 are in abutting communication. The pressure of the powdered and aqueous medicaments during mixing is released through the two-way valve 24 to avoid leakage caused by excessive pressure during mixing.
As an alternative to the anorectal drug delivery device, two ends of the two-way valve 24 are respectively inserted into the first pair of interfaces 13 and the second pair of interfaces 23; or, two ends of the two-way valve 24 are respectively in threaded connection with the first pair of interfaces 13 and the second pair of interfaces 23.
In this embodiment, the two ends of the two-way valve 24 are both provided with first external threads, the first pair of connectors 13 includes an outer tube and an inner tube, the inner wall of the outer tube is provided with first internal threads matched with the first external threads, and one end of the inner tube, which is close to the powder storage tube 11, is provided with a powder through hole which is communicated with the powder storage tube 11. The second pair of ports 23 and the first pair of ports 13 have the same structure, and the first external thread at one end of the two-way valve 24 is screwed with the first internal thread of the inner wall of the outer tube of the first pair of ports 13, and the first external thread at the other end is screwed with the first internal thread of the inner wall of the outer tube of the second pair of ports 23, so that the second pair of ports 23 and the first pair of ports 13 are aligned and communicated through the two-way valve 24.
In order to avoid the influence of external environment on the powdery medicine and the water aqua medicine in the storage process, deterioration occurs. The end of the first pair of connectors 13 far away from the powder storage tube 11 is provided with a powder protection cap 14; the second pair of interfaces 23 is provided with a aqua protective cap 25 at the end remote from the aqua storage tube 21. The powder medicine is isolated from the external environment by the powder protection cap 14, and the water aqua medicine is isolated from the external environment by the water aqua protection cap 25, so that the shelf lives of the powder medicine and the water aqua medicine are prolonged.
In this embodiment, the outer wall of the powder cap 14 is provided with a second external thread which is in threaded engagement with a first internal thread on the inner wall of the outer tube of the first pair of ports 13 to protect the powder medicament. The inner wall of the aqua protection cap 25 is provided with a second internal thread which is matched with a second external thread of the outer wall of the second pair of interfaces 23 to protect the aqua medicine.
In order to avoid the loss of the two-way valve 24, the two-way valve 24 is connected to the second pair of connectors 23 during assembly, and the second internal threads of the inner wall of the water agent protective cap are in matched threaded connection with the first external threads on the two-way valve 24. When the powder storage 1 and the water storage 2 are in butt joint, the powder protective cap 14 and the water protective cap 25 are disassembled, and then the first pair of interfaces 13 are in screw connection with the two-way valve 24, so that the powder medicine and the water medicine can be mixed and prepared; the formulated drug mixture remains in the powder reservoir 1, and then the first pair of ports 13 is separated from the two-way valve 24, and the first pair of ports 13 is connected to the administration tube assembly 3, and the drug mixture is pushed through the administration tube assembly 3 into the intestine via the powder reservoir 1. It should be noted that when the water-repellent protective cap 25 is detached, the two-way valve 24 is prevented from being detached together.
Of course, in other embodiments, the two-way valve 24 may be connected to the first pair of ports 13 at the time of assembly; the prepared drug mixture is stored in the aqueous reservoir 2.
Both the powder protective cap 14 and the water agent protective cap 25 are made of medical polypropylene; the powder storage tube 11 and the water agent storage tube 21 are provided with scales, so that the dosage can be controlled conveniently when the powder medicine and the water agent medicine are stored.
As shown in fig. 4, the administration tube assembly 3 includes an administration tube 31, one end of the administration tube 31 is provided with a connector 32, the other end is provided with a liquid outlet, and one end where the liquid outlet is located is an insertion end of the administration tube assembly 3. The connector 32 is connected with the powder storage 1 or the water aqua storage 2, the administration tube 31 is inserted into the intestinal canal through the anus, and the medicine mixed solution is sent through the liquid outlet. Specifically, the administration tube 31 is made of silica gel, and one end of the administration tube 31 where the liquid outlet is located is provided with a tapered guide surface. The administration tube 31 made of silica gel is softer, is not easy to cause injury to anus and intestinal canal, and relieves the pain of patients when the administration is carried out. The conical guide surface is convenient for smooth insertion of the administration tube 31, and further relieves the pain of the patient.
In order to facilitate the smooth pushing in of the drug mixture, the drug delivery tube assembly 3 further comprises a drug delivery tube 33, one end of the drug delivery tube 33 is connected with the connector 32, the other end is communicated with the liquid outlet, and the drug delivery tube 33 is arranged in the drug delivery tube 31. The diameter of the administration feeding pipe 33 is set smaller than that of the administration pipe 31 so that the drug mixture can be smoothly pushed into the intestinal canal.
In this embodiment, the connector 32 is adapted to the first pair of connectors 13, and a drug mixture formed by uniformly mixing a powder drug and a water agent drug is retained in the powder storage 1, a third external thread is provided on an outer wall of the connector 32, and is in threaded engagement with a first internal thread on an inner wall of an outer tube of the first pair of connectors 13, and the drug mixture is delivered to the liquid outlet through the drug delivery tube 33 to reach the affected part by the powder piston push rod 12.
Of course, in other embodiments, the connector 32 may be connected to the second pair of connectors 23, so that the mixed liquid of the powder medicine and the water medicine, which is formed by uniformly mixing, is retained in the water medicine reservoir 2, and the mixed liquid of the medicine is delivered to the liquid outlet through the administration feeding tube 33 by the water medicine piston push rod 22 and fed into the intestinal canal.
As an alternative to anorectal applicators, the powder reservoir 1, the water reservoir 2 and the delivery tube assembly 3 are individually packaged by paper plastic bags. The powder storage 1, the water aqua storage 2 and the administration tube assembly 3 are packaged independently, so that the storage and the transportation are convenient, the sterile environment is ensured, the cost of the paper plastic bag is low, and the treatment cost of a patient is further reduced.
The anorectal drug delivery device provided in this embodiment is used in the following steps: the paper plastic bags of the powder storage 1 and the water aqua storage 2 are removed, the powder protective cap 14 is unscrewed from the powder storage 1, the water aqua protective cap 25 is unscrewed from the two-way valve 24, and the first pair of interfaces 13 is connected with the two-way valve 24. Then one hand pushes the powder piston push rod 12, push the powder medicine from the powder storage cavity into the water aqua storage cavity through the first pair of interfaces 13, the two-way valve 24 and the second pair of interfaces 23 to be mixed with the water aqua medicine, then the other hand pushes the water aqua piston push rod 22 after the powder piston push rod 12 is pushed to the bottom, push the mixture of the water aqua medicine and the powder medicine from the water aqua storage cavity into the powder storage cavity through the second pair of interfaces 23, the two-way valve 24 and the first pair of interfaces 13 to be fully mixed with the powder medicine again, and repeatedly push and pull the powder medicine until the powder medicine and the water aqua medicine are uniformly mixed to form medicine mixed liquid, the medicine mixed liquid is reserved in the powder storage 1, and then the first pair of interfaces 13 and the two-way valve 24 are separated. After the first pair of connectors 13 and the two-way valve 24 are separated, the paper-plastic bag of the administration tube assembly 3 is disassembled, the connector 32 is connected with the first pair of connectors 13, then the administration tube 31 is inserted into the intestinal canal through anus, the powder piston push rod 12 is pushed, and the medicine mixed liquid is conveyed to the intestinal canal through the administration conveying pipe 33.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. An anorectal drug delivery device, comprising:
the prefabricated medicine assembly comprises a powder storage (1) and a water aqua storage (2), wherein the powder storage (1) stores powder medicines, the water aqua storage (2) stores water aqua medicines, the powder storage (1) comprises a first pair of interfaces (13), the water aqua storage (2) comprises a second pair of interfaces (23), the first pair of interfaces (13) and the second pair of interfaces (23) are in butt joint communication, and the powder medicines and the water aqua medicines can be uniformly mixed to form medicine mixed liquid to be reserved in the powder storage (1) or the water aqua storage (2);
the powder storage (1) or the water aqua storage (2) can be connected with the administration tube assembly (3), the administration tube assembly (3) is inserted into an intestinal canal through anus so as to send the medicine mixed solution in, and the insertion end of the administration tube assembly (3) is provided with a conical guide surface.
2. Anorectal drug feeder according to claim 1, characterized in that the powder reservoir (1) comprises a powder reservoir tube (11) and a powder piston push rod (12), the powder piston push rod (12) is slidingly arranged in the powder reservoir tube (11), a powder reservoir cavity is arranged in the powder reservoir tube (11), the powder drug is stored in the powder reservoir cavity, the powder reservoir cavity is communicated with the first pair of interfaces (13), and the powder piston push rod (12) acts on the powder drug to push the powder drug to the first pair of interfaces (13).
3. The anorectal drug feeder according to claim 2, wherein the water aqua storage (2) comprises a water aqua storage tube (21) and a water aqua piston push rod (22), the water aqua piston push rod (22) is slidably arranged in the water aqua storage tube (21), a water aqua storage cavity is arranged in the water aqua storage tube (21), water aqua medicine is stored in the water aqua storage cavity, the water aqua storage cavity is communicated with the second pair of interfaces (23), the water aqua piston push rod (22) acts on the water aqua medicine, and can push the water aqua medicine to the second pair of interfaces (23).
4. An anorectal feeder as claimed in claim 3, wherein the first pair of ports (13) and the second pair of ports (23) are connected by a two-way valve (24) to bring the first pair of ports (13) and the second pair of ports (23) into abutting communication.
5. Anorectal feeder according to claim 4, characterized in that the two ends of the two-way valve (24) are respectively plugged with the first pair of interfaces (13) and the second pair of interfaces (23); or alternatively, the first and second heat exchangers may be,
two ends of the two-way valve (24) are respectively in threaded connection with the first pair of interfaces (13) and the second pair of interfaces (23).
6. An anorectal applicator as in claim 3, wherein the end of the first pair of ports (13) remote from the powder storage tube (11) is provided with a powder protection cap (14); and one end of the second pair of interfaces (23) far away from the water aqua storage tube (21) is provided with a water aqua protective cap (25).
7. Anorectal drug delivery device according to claim 1, characterized in that the drug delivery tube assembly (3) comprises a drug delivery tube (31), wherein one end of the drug delivery tube (31) is provided with a connector (32), the other end is provided with a liquid outlet, and the end where the liquid outlet is located is the insertion end of the drug delivery tube assembly (3); the connector (32) is connected with the powder storage (1) or the water aqua storage (2), the administration tube (31) is inserted into the intestinal canal through anus, and the medicine mixed liquid is sent through the liquid outlet.
8. Anorectal feeder according to claim 7, characterized in that the feeding tube assembly (3) further comprises a feeding tube (33), one end of the feeding tube (33) is connected with the connector (32), the other end is communicated with the liquid outlet, and the feeding tube (33) is arranged in the feeding tube (31).
9. Anorectal applicator according to claim 7, characterized in that the drug delivery tube (31) is made of silica gel.
10. Anorectal feeder according to any of claims 1 to 9, characterized in that said powder reservoir (1), water reservoir (2) and said administration tube assembly (3) are individually encapsulated by paper plastic bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223517637.7U CN219127963U (en) | 2022-12-28 | 2022-12-28 | Anorectal drug administration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223517637.7U CN219127963U (en) | 2022-12-28 | 2022-12-28 | Anorectal drug administration device |
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| Publication Number | Publication Date |
|---|---|
| CN219127963U true CN219127963U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223517637.7U Active CN219127963U (en) | 2022-12-28 | 2022-12-28 | Anorectal drug administration device |
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| Country | Link |
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| CN (1) | CN219127963U (en) |
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2022
- 2022-12-28 CN CN202223517637.7U patent/CN219127963U/en active Active
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