CN214762857U - Disposable medicine injection device - Google Patents
Disposable medicine injection device Download PDFInfo
- Publication number
- CN214762857U CN214762857U CN202121320419.7U CN202121320419U CN214762857U CN 214762857 U CN214762857 U CN 214762857U CN 202121320419 U CN202121320419 U CN 202121320419U CN 214762857 U CN214762857 U CN 214762857U
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- China
- Prior art keywords
- barrel
- plunger
- push
- push rod
- injection device
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Abstract
The utility model relates to a disposable medicine injection device. A single use injection device, the medication injection apparatus comprising: a barrel having an interior receiving space containing a medicament; the push rod is matched with the barrel body and can push the medicine out of the inner accommodating space of the barrel body; the head of the barrel is provided with a medicine push-out opening, and the front part of the push rod can enable the medicine push-out opening to be enlarged. The utility model discloses a push rod front portion can make medicine release mouth grow, can provide the convenience of using greatly. The utility model discloses a set up the card and end the structure for the device is reusable, has reduced the sanitary problem that the user brought because of reuse.
Description
Technical Field
The utility model relates to a disposable medicine injection device.
Background
Recently, various medicines are generally put into the body for various purposes.
For example, a suppository is placed for treatment of inflammation or the like, a contraceptive is placed in a human body for contraception, or a drug is placed in a human body for treatment of hemorrhoid, venereal disease, or the like, and the application forms are very many.
At this time, the inside of the sexual organ, anus, and the like of the human body is a site where the mucous membrane is exposed, and is very sensitive to external stimuli, and the mucous membrane is easily damaged or infected. Therefore, great care is required to infuse the exemplified drugs.
In order to improve the inconvenience of directly putting the medicine by hand, an injection device capable of injecting a liquid into the body has been proposed. Such injection devices are often made as disposable items due to hygiene problems and cleaning difficulties.
However, users sometimes wash themselves and then reuse disposable drug infusion devices, which have a high risk of disease and bacterial infection. Therefore, such injection devices need to be designed in a configuration that cannot be reused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the prior art and providing a disposable injection device, the medicine injection device comprises:
a barrel having an interior receiving space containing a medicament;
the push rod is matched with the barrel body and can push the medicine out of the inner accommodating space of the barrel body;
the head of the barrel is provided with a medicine push-out opening, and the front part of the push rod can enable the medicine push-out opening to be enlarged.
The medicine pushing port is composed of two or more pieces of shell structures.
The shell structure is petal-shaped.
The shell structure is made of soft materials.
The barrel is internally provided with a clamping structure, the clamping structure is convexly arranged inside the barrel, and the clamping structure can prevent the push rod from withdrawing from the barrel.
The clamping structure comprises a push-in part and a clamping part, the push-in part and the clamping part are arranged on the inner surface of the barrel body back to back, the push rod can be pushed in the barrel body through the surface of the push-in part, and the push rod is clamped on the surface of the clamping part when being withdrawn backwards.
The angle formed by the pushing part and the inner surface of the cylinder body is 0-30 degrees, and the angle formed by the clamping part and the inner surface of the cylinder body is 30-90 degrees.
The push rod includes push rod main part, push rod head and push rod stop, the push rod stop sets up in push rod main part rear portion for control push rod main part is at the propulsive degree of depth of barrel, the push rod head sets up the front portion at the push rod main part, the push rod head is used for promoting the medicine.
The push rod is clamped in the barrel, and when the stress reaches a threshold value, the push rod main body is separated from the push rod head or the push rod main body is separated from the push rod clamping part.
The push rod head comprises a connecting portion, a main body portion and a push rod head portion, the connecting portion is connected with the push rod body, one end of the main body portion is connected with the connecting portion, the other end of the main body portion is connected with the push rod head portion, and the foremost end of the push rod head portion is of a concave structure.
The utility model discloses a push rod front portion can make medicine release mouth grow, can provide the convenience of using greatly. The utility model discloses a set up the card and end the structure for the device is reusable, has reduced the sanitary problem that the user brought because of reuse.
The above-described and other features, aspects, and advantages of the present application will become more apparent with reference to the following detailed description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic cross-sectional view of a cartridge.
FIG. 2 is a partial cross-sectional view of the locking structure of the barrel.
Fig. 3 is a schematic structural diagram of the push rod.
Fig. 4 is a schematic view of the putter head.
Reference numerals:
a cylinder body 1;
a push rod 2;
an inner accommodating space 11;
a drug push-out port 12;
a locking structure 13;
a push-in part 131 and a locking part 132;
a pusher body 121, a pusher head 122, and a pusher engaging part 123;
a connecting portion 1221, a body portion 1222, and a push rod head 1223.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Referring to fig. 1, a single use injection device, the medication injection apparatus comprises:
a barrel having an interior receiving space containing a medicament;
the push rod is matched with the barrel body and can push the medicine out of the inner accommodating space of the barrel body;
the head of the barrel is provided with a medicine push-out opening, and the front part of the push rod can enable the medicine push-out opening to be enlarged.
The medicine pushing port is composed of two or more pieces of shell structures.
The shell structure is petal-shaped.
The shell structure is made of soft materials.
As shown in fig. 2, a clamping structure is arranged in the cylinder, the clamping structure is convexly arranged in the cylinder, and the clamping structure can prevent the push rod from exiting the cylinder.
The clamping structure comprises a push-in part and a clamping part, the push-in part and the clamping part are arranged on the inner surface of the barrel body back to back, the push rod can be pushed in the barrel body through the surface of the push-in part, and the push rod is clamped on the surface of the clamping part when being withdrawn backwards.
The angle formed by the pushing part and the inner surface of the cylinder body is 0-30 degrees, and the angle formed by the clamping part and the inner surface of the cylinder body is 30-90 degrees.
As shown in fig. 3, the push rod comprises a push rod body, a push rod head and a push rod clamping part, wherein the push rod clamping part is arranged at the rear part of the push rod body and used for controlling the pushing depth of the push rod body in the barrel, the push rod head is arranged at the front part of the push rod body and used for pushing the medicine.
The push rod is clamped in the barrel, and when the stress reaches a threshold value, the push rod main body is separated from the push rod head or the push rod main body is separated from the push rod clamping part.
As shown in fig. 4, the putter head includes a connecting portion, a main body portion, and a putter head portion, the connecting portion is connected with the putter body, one end of the main body portion is connected with the connecting portion, the other end is connected with the putter head portion, and the foremost end of the putter head portion has a concave structure.
The utility model discloses a push rod front portion can make medicine release mouth grow, can provide the convenience of using greatly. The utility model discloses a set up the card and end the structure for the device is reusable, has reduced the sanitary problem that the user brought because of reuse.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and the description is given here only for clarity, and those skilled in the art should integrate the description, and the embodiments may be combined appropriately to form other embodiments understood by those skilled in the art.
Claims (10)
1. A single-use drug infusion device, characterized in that it comprises:
a barrel having an interior receiving space containing a medicament;
the push rod is matched with the barrel body and can push the medicine out of the inner accommodating space of the barrel body;
the head of the barrel is provided with a medicine push-out opening, and the front part of the push rod can enable the medicine push-out opening to be enlarged.
2. A single use drug infusion device as claimed in claim 1, wherein said drug expulsion opening is comprised of a two or more piece housing structure.
3. A single use medication injection device according to claim 2, wherein said housing structure is petal-shaped.
4. A single use medication injection device according to claim 2, wherein said housing structure is a soft material.
5. A single use medication injection device according to claim 1, wherein a catch is provided in said barrel, said catch protruding into the barrel, said catch preventing the plunger from exiting the barrel.
6. A single use medication injection device according to claim 5, wherein said catch structure comprises a push-in portion and a catch portion, said push-in portion and catch portion being disposed back-to-back on the inside surface of the barrel, said push rod being able to be pushed in the barrel via the surface of the push-in portion, said push rod catching on the catch portion surface when withdrawn rearwardly.
7. The disposable medication injection device according to claim 6, wherein said pushing portion forms an angle of 0 to 30 degrees with the inner surface of said barrel, and said locking portion forms an angle of 30 to 90 degrees with the inner surface of said barrel.
8. A single use medication injection device according to claim 1, wherein said plunger comprises a plunger body, a plunger head and a plunger stop, said plunger stop being disposed at a rear portion of said plunger body for controlling the depth of advancement of said plunger body within said cartridge, said plunger head being disposed at a front portion of said plunger body, said plunger head being for pushing medication.
9. A single use medication injection device according to claim 8, wherein said pushrod is retained in the barrel such that when a force reaches a threshold said pushrod body disengages from the pushrod head or said pushrod body disengages from the pushrod retention feature.
10. A single use medication injection device according to claim 9, wherein said plunger head comprises a connecting portion, a main body portion, and a plunger head portion, said connecting portion being connected to said plunger body, one end of said main body portion being connected to said connecting portion, the other end being connected to said plunger head portion, said plunger head portion having a recessed configuration at its forward-most end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121320419.7U CN214762857U (en) | 2021-06-15 | 2021-06-15 | Disposable medicine injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121320419.7U CN214762857U (en) | 2021-06-15 | 2021-06-15 | Disposable medicine injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214762857U true CN214762857U (en) | 2021-11-19 |
Family
ID=78712498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121320419.7U Active CN214762857U (en) | 2021-06-15 | 2021-06-15 | Disposable medicine injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214762857U (en) |
-
2021
- 2021-06-15 CN CN202121320419.7U patent/CN214762857U/en active Active
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| GR01 | Patent grant |