CN215231106U - Disposable sterile syringe - Google Patents
Disposable sterile syringe Download PDFInfo
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- CN215231106U CN215231106U CN202121432758.4U CN202121432758U CN215231106U CN 215231106 U CN215231106 U CN 215231106U CN 202121432758 U CN202121432758 U CN 202121432758U CN 215231106 U CN215231106 U CN 215231106U
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- syringe
- clamping groove
- disposable sterile
- protective cap
- rear end
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Abstract
The utility model belongs to the technical field of medical instruments, in particular to a disposable sterile syringe, which comprises a syringe and a needle head positioned at the front end of the syringe, wherein the front end of the syringe is provided with a protective cap, the protective cap comprises an inner shell and an outer shell, the inner wall of the outer shell is connected with the inner shell through a fixed block, and medical alcohol cotton is arranged in the inner shell; the outer wall of the front end of the injector is provided with the annular clamping groove, the inner wall of the outer shell is provided with the bulge close to the annular clamping groove, and the bulge is in clamping fit with the annular clamping groove, so that a contacter is prevented from being hurt by falling of the protective cap, external bacteria are prevented from entering the injector along with the push rod, and the injector is convenient to use, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to disposable aseptic syringe.
Background
The medical disposable sterile syringe mainly comprises a needle and a syringe, wherein the needle comprises a needle point, a needle stalk and the like, the syringe comprises a nipple, an injection tube, a piston or a push rod and the like, and the medical disposable sterile syringe is widely applied to injection or liquid extraction in the skin, the muscle, the vein and the like of a human body. At present, after the used syringe is installed again, the protective cap of the syringe is easy to fall off, and the falling condition is easy to occur in the recovery process, so that the exposed needle is easy to accidentally injure others to cause infection. Meanwhile, when the push rod is pushed inwards in the actual clinical use process, bacteria outside the injector are often brought into the injection cylinder, so that pollution is caused.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a disposable aseptic syringe avoids the protective cap to drop and stabs the contacter, has prevented inside outside bacterium gets into the syringe along with the push rod, convenient to use and safe and reliable.
The technical scheme of the utility model is that:
a disposable sterile syringe comprises a syringe and a needle head positioned at the front end of the syringe, wherein the front end of the syringe is provided with a protective cap, the protective cap comprises an inner shell and an outer shell, the inner wall of the outer shell is connected with the inner shell through a fixed block, and medical alcohol cotton is filled in the inner shell;
the outer wall of the front end of the injector is provided with an annular clamping groove, the inner wall of the outer shell is provided with a bulge close to the annular clamping groove, and the bulge is in clamping fit with the annular clamping groove.
Further, the distance L from the rear end of the inner housing to the rear end of the outer housing is equal to the distance I from the rear end of the outer housing to the front end of the syringe. Can ensure that the medical alcohol cotton in the inner shell can not fall off due to shaking.
Furthermore, the injector also comprises a telescopic hose, the front end of the telescopic hose is connected with the rear end of the injection tube, and the rear end of the telescopic hose is connected with the rear end of the push rod. Through the telescopic hose, external bacteria are prevented from entering the interior of the syringe to cause pollution, and the sterility of the disposable sterile syringe is improved.
Further, the flexible hose is wave-shaped. When the push rod is pulled out from the interior of the injection tube to the longest length, the telescopic hose is stretched along with the push rod, so that the whole pulling process is protected by the telescopic hose, and the sterility performance is improved.
Further, the injection tube front end is equipped with the flexible glue sheath, and the flexible glue sheath is located the ring groove rear.
Furthermore, a plurality of anti-skid grooves are arranged on the soft rubber sheath. Improving the stability during injection.
The utility model discloses a theory of operation does:
when the medicine bottle is used, the protective cap is firstly pulled down, the needle head is inserted into the medicine bottle, the push rod is pulled backwards to suck the medicine liquid, the telescopic hose is stretched to wrap the push rod, and a user is prevented from contacting the push rod and bacterial pollution during medicine dispensing; the soft rubber sheath is pinched by hands during injection, and the anti-skid groove is used for improving the stability of injection; after the injection is completed, the protective cap is buckled, the mode that the protrusion is in clamping fit with the annular clamping groove is convenient to detach and install, the operation is safe and convenient, and the medical alcohol cotton can sterilize and disinfect the needle head.
The utility model has the advantages that,
(1) the protective cap and the injector are connected in a manner that the protrusion is in clamping fit with the annular clamping groove, so that the operation is safe and convenient; the protective cap consisting of the inner shell and the outer shell is arranged, so that the functions of convenient connection and sterilization can be realized; the aseptic performance can be improved by arranging the telescopic hose; the stability during injection can be improved by arranging the anti-skid groove;
(2) the utility model provides a disposable aseptic syringe has avoided the protective cap to drop and has stabbed the contacter, has prevented inside outside bacterium got into the syringe along with the push rod, convenient to use and safe and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a disposable sterile syringe provided in example 1;
FIG. 2 is a schematic structural view of the protective cap provided in embodiment 1;
FIG. 3 is a schematic structural view of the syringe provided in example 1;
fig. 4 is a schematic structural view of the extensible hose provided in embodiment 1;
in the figure, 1, a protective cap; 2. a needle head; 3. a soft rubber sheath; 4. an anti-slip groove; 5. an injector; 6. a flexible hose; 7. a push rod; 8. an outer housing; 9. a fixed block; 10. medical alcohol cotton; 11. an inner housing; 12. a protrusion; 13. an annular neck; 14. an injection cylinder.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
Example 1
A disposable sterile syringe comprises a syringe 5 and a needle 2 at the front end of the syringe, and also contains components which a conventional disposable sterile syringe should contain, such as a piston, a nipple and the like;
the front end of the injector 5 is provided with a protective cap 1, the protective cap 1 comprises an inner shell 11 and an outer shell 8, the inner wall of the outer shell 8 is connected with the outer wall of the inner shell 11 through a fixing block 9, and medical alcohol cotton 10 is arranged in the inner shell 11; an annular clamping groove 13 is formed in the outer wall of the front end of the injector 5, a protrusion 12 is arranged on the inner wall of the outer shell 8 close to the annular clamping groove 13, and the protrusion 12 is in clamping fit with the annular clamping groove 13; in order to ensure that the medical alcohol cotton 10 in the inner shell 11 cannot fall off due to shaking, the distance L from the rear end of the inner shell 11 to the rear end of the outer shell 8 is required to be equal to the distance I from the rear end of the outer shell 8 to the front end of the injector 5;
the injector 5 comprises an injection tube 14, a push rod 7 and a telescopic hose 6, wherein a piston is arranged in the injection tube 14, the front end of the push rod 7 is connected with the piston, the rear end of the push rod 7 penetrates through the injection tube 14 and extends to the outside of the injection tube 14, the front end of the telescopic hose 6 is connected with the rear end of the injection tube 14, the rear end of the telescopic hose 6 is connected with the rear end of the push rod 7, the telescopic hose 6 is wavy, and the telescopic hose 6 is of medical grade; when the push rod 7 is pulled out to the longest length from the interior of the injection tube 14, the telescopic hose 6 is stretched along with the push rod, so that the whole pulling process is protected by the telescopic hose 6, external bacteria are prevented from entering the interior of the injector 5 to cause pollution through the telescopic hose 6, and the sterility of the disposable sterile injector is improved;
in addition, in order to improve the stability during injection, the front end of the injection tube 14 is provided with a soft rubber sheath 3, the soft rubber sheath 3 is positioned behind the annular clamping groove 13, and the soft rubber sheath 3 is provided with a plurality of anti-skidding grooves 4.
When the medicine dispensing device is used, the protective cap 1 is pulled down, the needle head 2 is inserted into a medicine bottle, the push rod 7 is pulled backwards to suck medicine liquid, the telescopic hose 6 is stretched to wrap the push rod 7, and a user is prevented from contacting the push rod 7 and bacterial contamination during medicine dispensing; the soft rubber sheath 3 is pinched by hands during injection, and the anti-skid groove 4 is used for improving the stability of injection; after the injection is finished, the protective cap 1 is buckled, the protective cap 1 is convenient to detach and install in a mode that the protrusion 12 is matched with the annular clamping groove 13 in a clamping mode, the operation is safe and convenient, and the medical alcohol cotton 10 can sterilize and disinfect the needle head 2.
Although the present invention has been described in detail by way of preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A disposable sterile syringe is characterized by comprising a syringe (5) and a needle (2) positioned at the front end of the syringe (5), wherein the front end of the syringe (5) is provided with a protective cap (1), the protective cap (1) comprises an inner shell (11) and an outer shell (8), the inner wall of the outer shell (8) is connected with the inner shell (11) through a fixing block (9), and medical alcohol cotton (10) is arranged in the inner shell (11);
an annular clamping groove (13) is formed in the outer wall of the front end of the injector (5), a protrusion (12) is arranged on the inner wall of the outer shell (8) close to the annular clamping groove (13), and the protrusion (12) is in clamping fit with the annular clamping groove (13).
2. Disposable sterile syringe according to claim 1, characterized in that the distance L from the rear end of the inner housing (11) to the rear end of the outer housing (8) is equal to the distance I from the rear end of the outer housing (8) to the front end of the syringe (5).
3. The disposable sterile syringe according to claim 1, wherein the syringe (5) further comprises a flexible tube (6), the front end of the flexible tube (6) is connected with the rear end of the syringe barrel (14), and the rear end of the flexible tube (6) is connected with the rear end of the push rod (7).
4. A disposable sterile syringe according to claim 3, characterized in that the flexible hose (6) is wave-shaped.
5. The disposable sterile syringe according to claim 3, wherein the front end of the syringe (14) is provided with a soft rubber sheath (3), and the soft rubber sheath (3) is positioned behind the annular clamping groove (13).
6. The disposable sterile syringe according to claim 5, characterized in that the soft rubber sheath (3) is provided with a plurality of anti-slip grooves (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121432758.4U CN215231106U (en) | 2021-06-25 | 2021-06-25 | Disposable sterile syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121432758.4U CN215231106U (en) | 2021-06-25 | 2021-06-25 | Disposable sterile syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215231106U true CN215231106U (en) | 2021-12-21 |
Family
ID=79483804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121432758.4U Active CN215231106U (en) | 2021-06-25 | 2021-06-25 | Disposable sterile syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215231106U (en) |
-
2021
- 2021-06-25 CN CN202121432758.4U patent/CN215231106U/en active Active
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