CN214911888U - Syringe needle protection device and safety syringe thereof - Google Patents
Syringe needle protection device and safety syringe thereof Download PDFInfo
- Publication number
- CN214911888U CN214911888U CN202120055382.3U CN202120055382U CN214911888U CN 214911888 U CN214911888 U CN 214911888U CN 202120055382 U CN202120055382 U CN 202120055382U CN 214911888 U CN214911888 U CN 214911888U
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- outer sleeve
- sleeve
- protective
- protection device
- syringe needle
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Abstract
The utility model relates to a syringe needle head protection device and a safe syringe thereof, which comprises a protective outer sleeve, an installation inner sleeve and a spring; the spring is sleeved outside the mounting inner sleeve and then is pressed in the protective outer sleeve; the outer surface of the outer sleeve body of the protective outer sleeve is free of a convex structure; a concave inner spigot is arranged in the middle of the inner side wall surface of the outer sleeve body of the protective outer sleeve; the bottom of the mounting inner sleeve is provided with a backstop claw; and the stopping claw bounces off after the installation inner sleeve and the protection outer sleeve are excited and is clamped above the inner spigot. Safety syringes, including syringes; the syringe is mounted in a mounting inner sleeve of the syringe needle protection device. The utility model discloses the internal relevant structure of inner spigot that sets up of outer sleeve body to the protective sleeve improves to obtain a complete surface, be convenient for paste the label, or sculpture picture and text content. The utility model discloses simple structure easily realizes.
Description
Technical Field
The utility model relates to a safety protection device for protecting a syringe needle and a safety syringe formed by the safety protection device.
Background
The disposable syringe is the most common apparatus in the medical field at present, and in order to prevent the syringe needle after use from accidentally injuring a user to cause medicine pollution or prevent the syringe from being used for a second time, the syringe needle is generally required to be uniformly recovered after injection is finished at present; however, with the further strict management of medical devices, some mechanisms have required that a special protection device is additionally arranged on the disposable syringe, and after the injection is completed, the protection device is started to protect the needle head part, so that the needle head is prevented from being accidentally injured, the needle head is also prevented from being separated from the syringe body, and the use safety of the disposable syringe is improved.
Based on the above requirements, the applicant has developed a safety syringe disclosed in chinese patent publication No. CN111888580A, which uses a protective outer sleeve, a mounting inner sleeve, and a spring to form a protective device, and after the injection is completed, the protective device is activated, the spring force is released, and the protective outer sleeve and the mounting inner sleeve are flicked to move relative to each other, so as to shield and protect the syringe needle.
However, in order to store the retaining claw, a raised structure needs to be arranged on the protective outer sleeve, and an inner spigot structure is arranged in the protective outer sleeve, so that the situation that the inner sleeve is installed after excitation, a spring can be compressed to retract into the protective outer sleeve, and the needle head is exposed again is prevented. However, after the outer wall protruding structure is adopted, the integrity of the outer side of the protection device is damaged, and when the protection device is used as a pre-filled injection medicine, the outer surface of the whole body is lack of a reasonable identification area, and articles and reminding labels cannot be pasted.
There is a need for further improvements in protective devices in an attempt to meet the customer's need for applying a label to the outer surface of the protective device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a syringe needle protection device and safety syringe thereof to form continuous surface, conveniently paste the label on making protection device's the overcoat.
In order to achieve the above object, a first aspect of the present invention provides a syringe needle protection device, comprising an outer protection sleeve, an inner mounting sleeve, and a spring; the spring is sleeved outside the mounting inner sleeve and then is pressed in the protective outer sleeve;
the outer surface of the outer sleeve body of the protective outer sleeve is free of a convex structure;
a concave inner spigot is arranged in the middle of the inner side wall surface of the outer sleeve body of the protective outer sleeve;
the bottom of the mounting inner sleeve is provided with a backstop claw;
and the stopping claw bounces off after the installation inner sleeve and the protection outer sleeve are excited and is clamped above the inner spigot.
As a further improvement, the inner side wall surface of the outer sleeve body of the protective outer sleeve is provided with an inner side guide groove, and the inner spigot is positioned in the inner side guide groove.
Furthermore, the retaining claw is clamped in the inner side guide groove when the mounting inner sleeve and the protection outer sleeve are in a locking state.
As a further improvement of the utility model, the protective outer sleeve is provided with a guide chute;
the bottom of the mounting inner sleeve is provided with a guide block;
the guide block is clamped in the guide sliding groove.
Further, the guide sliding groove penetrates through the wall surface of the outer sleeve body.
Still further, after the guide block is clamped into the guide sliding groove, the outer side of the guide block is lower than the outer surface of the outer sleeve body.
Further, the guide sliding groove does not penetrate through the wall surface of the outer sleeve body; the outer surface of the outer sleeve body of the protective outer sleeve is a continuous cylindrical surface.
In a second aspect of the present invention, there is provided a safety syringe, comprising a syringe;
characterised in that the syringe is mounted within the mounting hub of the syringe needle protector as described above.
The utility model discloses a syringe needle protection device improves the internal relevant structure of tang of setting in the outer sleeve body of overcoat to obtain a complete surface, be convenient for paste the label, or sculpture picture and text content.
The safety syringe of the utility model is about to install the syringe and is formed in the syringe needle protecting device of the utility model.
The utility model discloses simple structure easily realizes, can satisfy the customer to pasting the label on the surface, or the demand of etching picture and text content.
Drawings
FIG. 1 is an exploded view of the components of the present invention;
fig. 2 is a schematic structural view of the protective outer cover of the present invention;
fig. 3 is a cross-sectional view of the protective outer cover of the present invention 1;
fig. 4 is a cross-sectional view 2 of the protective outer cover of the present invention;
fig. 5 is a schematic structural view of the inner sleeve of the present invention;
fig. 6 is a schematic view of an assembly structure of the present invention;
fig. 7 is a sectional view of the assembly structure of the present invention;
reference numerals: the protection device comprises a protection outer sleeve 1, a mounting inner sleeve 2 and a spring 3; a piston rod 5, a needle 6 and a needle cover 7;
an outer sleeve body 12 and a guide chute 13; the inner spigot 14, the inner guide groove 141;
a retaining claw 22 and a guide block 23.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the syringe needle protector of the present invention has an overall structure similar to that of a safety syringe of chinese patent publication No. CN111888580A, and is composed of an outer protective sleeve 1, an inner mounting sleeve 2, and a spring 3, wherein the inner mounting sleeve 2 is mounted on the spring 3 and then is press-fitted into the outer protective sleeve 1; when the syringe is used, the locking buckle structure is opened, the spring 3 is released, the outer protective sleeve 1 and the inner mounting sleeve 2 are bounced open, and the outer protective sleeve 1 shields and protects the needle head of the syringe in the inner mounting sleeve 2.
The improvement of the utility model is that, as shown in fig. 2, the outer surface of the outer sleeve body 12 of the protective outer sleeve 1 has no convex structure, which forms a continuous surface, and is convenient for sticking labels or etching image and text contents.
Further, as shown in fig. 3 and 4, the inner side of the protective outer sleeve 1 is still provided with the inner seam allowance 14, but in order to obtain the outer sleeve body 12 without the convex structure, the material wall thickness of the part is appropriately thickened, so that the inner seam allowance 14 is formed; further, an inner guide groove 141 is provided in the longitudinal direction of the inner spigot 14, and the inner guide groove 141 extends downward from the position of the inner spigot 14 to the vicinity of the outer socket.
The protective outer sleeve 1 is still provided with a guide chute 13; the guide sliding groove 13 can penetrate through the wall surface of the outer sleeve body 12, and can also be only arranged on the inner side of the outer sleeve body 12 without penetrating through the wall surface of the outer sleeve body 12, so that a more continuous and complete outer surface of the outer sleeve body 12 is obtained, and a label can be conveniently pasted, or the image-text content can be conveniently etched.
The mounting inner sleeve 2 is provided with a retaining claw 22 at the bottom and a guide block 23, similar to the prior structure, as shown in fig. 5; the backstop claws 22 are flared, specifically elastic.
As shown in fig. 6, after the assembly of the syringe needle protection device of the present invention is completed, the guide block 23 is clamped in the guide chute 13 to guide and limit the relative movement between the outer protective sleeve 1 and the inner mounting sleeve 2; in order to apply a label or etch graphic content on the outer surface of the outer sleeve body 12, the guide sliding groove 13 does not penetrate through the wall surface of the outer sleeve body 12; even when the guide chute 13 penetrates through the wall surface of the outer sleeve body 12, the height of the guide block 23 clamped into the guide chute 13 is low, and the guide block does not protrude out of the outer surface of the outer sleeve body 12 as much as possible, so that after the label is adhered, the movement of the guide block 23 cannot be influenced after the outer surface of the guide chute 13 is covered.
As shown in fig. 7, after the assembly of the syringe needle protecting device of the present invention is completed, the stopping claw 22 is located inside the outer sleeve 12, especially, the stopping claw 22 can be accommodated inside the inner guide groove 141, so that when the protecting device is in a locked state, the distance from the central axis inside the stopping claw 22 is far enough, which will not interfere with the needle cover 7 and will not affect the extraction of the needle cover 7. After the protection device is excited, the stopping claw 22 slides in the inner guide groove 141 and finally reaches the inner spigot 14, the stopping claw 22 is further bounced off under the action of the elasticity of the stopping claw 22 to complete the stopping function, and the installation inner sleeve 2 is prevented from being retracted into the protection outer sleeve 1 again to expose the needle 6 again. When the excitation is completed, an external force is applied to the protective outer sleeve 1 and the mounting inner sleeve 2, and the mounting inner sleeve 2 is viewed to be installed back into the protective outer sleeve 1, the retaining claws 22 are blocked in the inner seam allowance 14 to prevent retraction.
The utility model discloses a syringe needle protection device through the improvement to local structure to obtain the outer wall of the outer sleeve 12 of whole circle structure, be convenient for paste the label, or sculpture picture and text content.
The utility model discloses a syringe needle protection device, when using as safety syringe, be about to disposable syringe and install in installation endotheca 2, piston rod 5 is used for injecting the medicine and arouses the utility model discloses a syringe needle protection device.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The syringe needle protecting device comprises an outer protecting sleeve, an inner installing sleeve and a spring; the spring is sleeved outside the mounting inner sleeve and then is pressed in the protective outer sleeve;
the outer surface of the outer sleeve body of the protective outer sleeve is free of a convex structure;
a concave inner spigot is arranged in the middle of the inner side wall surface of the outer sleeve body of the protective outer sleeve;
the bottom of the mounting inner sleeve is provided with a backstop claw;
and the stopping claw bounces off after the installation inner sleeve and the protection outer sleeve are excited and is clamped above the inner spigot.
2. The syringe needle protection device of claim 1, wherein the inner side wall surface of the outer sleeve body of the protective sleeve is provided with an inner guide groove, and the inner spigot is positioned in the inner guide groove.
3. The syringe needle protection device of claim 2, wherein the retaining pawl is caught in the inner guide groove when the mounting inner sleeve and the protective outer sleeve are in the locked state.
4. The syringe needle protection device of claim 1, wherein said protective sheath has a guide chute;
the bottom of the mounting inner sleeve is provided with a guide block;
the guide block is clamped in the guide sliding groove.
5. The syringe needle protection device of claim 4, wherein the guide channel extends through a wall of the outer sleeve body.
6. The syringe needle protection device of claim 5, wherein after the guide block is snapped into the guide chute, the outside of the guide block is below the outer surface of the outer sleeve body.
7. The syringe needle protection device of claim 4, wherein said guide channel does not extend through a wall of said outer sleeve body; the outer surface of the outer sleeve body of the protective outer sleeve is a continuous cylindrical surface.
8. Safety syringes, including syringes; characterised in that the syringe is mounted in a mounting hub of a needle protector according to any of claims 1-7.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120055382.3U CN214911888U (en) | 2021-01-08 | 2021-01-08 | Syringe needle protection device and safety syringe thereof |
| EP21865631.2A EP4212194A1 (en) | 2020-09-10 | 2021-06-25 | Syringe protection device and safe syringe |
| PCT/CN2021/102380 WO2022052575A1 (en) | 2020-09-10 | 2021-06-25 | Syringe protection device and safe syringe |
| US18/025,796 US20230355893A1 (en) | 2020-09-10 | 2021-06-25 | Syringe Protector and Its Safety Syringe |
| DE212021000440.7U DE212021000440U1 (en) | 2020-09-10 | 2021-06-25 | Syringe guard and safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120055382.3U CN214911888U (en) | 2021-01-08 | 2021-01-08 | Syringe needle protection device and safety syringe thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911888U true CN214911888U (en) | 2021-11-30 |
Family
ID=79122603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120055382.3U Active CN214911888U (en) | 2020-09-10 | 2021-01-08 | Syringe needle protection device and safety syringe thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179177A1 (en) | 2022-03-21 | 2023-09-28 | 上海新耀湃科医疗科技股份有限公司 | Prefilled syringe with shield, assembly thereof, assembling method for assembly, and medicine filling method |
-
2021
- 2021-01-08 CN CN202120055382.3U patent/CN214911888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179177A1 (en) | 2022-03-21 | 2023-09-28 | 上海新耀湃科医疗科技股份有限公司 | Prefilled syringe with shield, assembly thereof, assembling method for assembly, and medicine filling method |
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