CN209771024U - Low-residue safe self-destruction syringe - Google Patents
Low-residue safe self-destruction syringe Download PDFInfo
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- CN209771024U CN209771024U CN201821276348.3U CN201821276348U CN209771024U CN 209771024 U CN209771024 U CN 209771024U CN 201821276348 U CN201821276348 U CN 201821276348U CN 209771024 U CN209771024 U CN 209771024U
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- needle
- syringe
- connecting portion
- plug
- self
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Abstract
The utility model discloses a low residual volume safety self-destruction formula syringe, including the syringe needle, the syringe needle is fixed on the needle file, and the needle file passes through connecting portion and can dismantle with the cylinder and be connected, and the cylinder interpolation has closed the plug of push rod and push rod bottom, and the plug is circular-arc or round platform form along the tip of syringe needle direction, and connecting portion are inside to be seted up with the recess of plug appearance gomphosis, has seted up the injection aperture on the basal plane of connecting portion, and the injection aperture is provided with slender needle in week. Through the technical scheme, the self-destruction syringe can realize the self-destruction function, completely avoids the phenomena of illegal recovery and reuse, enhances the safety performance, has simple structure and easy manufacture, and improves the utilization rate because the liquid medicine in the syringe can not be remained in the injection process.
Description
Technical Field
The utility model relates to the technical field of self-destruction syringes, in particular to a low-residue safety self-destruction syringe.
Background
The injector is a common medical appliance, which consists of a syringe with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or extracting the liquid or the liquid from an inaccessible area by other methods, wherein the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is extracted, and the liquid or gas is extruded when the core rod is pushed in.
However, on one hand, the disposable syringes which are used in large quantities in the market at present do not have the self-destruction function, and the phenomena of illegal recovery and repeated use are difficult to be forbidden, thereby causing potential safety hazards in clinical use; on the other hand, even though the syringes on the market have the self-destruction function, the structure is relatively complex, and a part of the liquid medicine in the syringe can be remained and can not be completely injected, so that the waste of the liquid medicine is caused.
Therefore, it is an urgent need to solve the problem of the prior art to provide a syringe with simple structure, self-destruction function and low residual amount.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the low-residue safe self-destruction syringe can realize the self-destruction function, completely avoids the phenomena of illegal recovery and reuse, enhances the safety performance, has simple structure and easy manufacture, and improves the utilization rate because the liquid medicine in the syringe can not be remained in the injection process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a low volume of remaining safety self-destruction syringe, includes the syringe needle, the syringe needle is fixed on the needle file, the needle file passes through connecting portion and can dismantle with the cylinder and be connected, the cylinder interpolation has the push rod and the plug of push rod bottom, the plug is followed the tip of syringe needle direction is circular-arc or round platform form, connecting portion inside seted up with the recess of plug appearance gomphosis, the injection aperture has been seted up on the basal plane of connecting portion, be provided with slender needle in injection aperture circumference.
Through taking above scheme, the beneficial effects of the utility model are that:
The slender needle is arranged in the circumferential direction of the small injection hole, when the rubber plug is attached to the bottom plane of the connecting part, the slender needle can be inserted into the rubber plug, the sealing performance of the rubber plug is damaged, the push rod is difficult to pull back again, the structure is simple, the self-destruction function is realized, and the safety performance is enhanced; through the design of plug tip for circular-arc or round platform form to and with the inside recess looks gomphosis of connecting portion, the liquid medicine in the cylinder can not take place to remain, has realized the complete injection, has improved the utilization ratio.
Further, the connecting part is in threaded connection with the needle cylinder.
The beneficial technical effect who adopts above-mentioned technical scheme lies in, connecting portion and cylinder threaded connection mode, easily dismantles, has realized the classification between cylinder and the syringe needle.
Further, the height of the rubber plug is the same as that of the connecting part.
adopt above-mentioned technical scheme's beneficial technical effect to lie in, guaranteed the gomphosis degree of plug and connecting portion inner structure, and then guaranteed that the liquid medicine can not remain in the cylinder.
Furthermore, the push rod is provided with a breaking part.
Further, the width of the breaking part is smaller than the width of the body of the push rod.
The technical scheme has the beneficial effects that through the design of the breaking part, when the slender needle fails, namely the push rod is in a pulled-out state, the push rod can be broken, so that the self-destruction function is further ensured, and the secondary use is completely avoided.
Further, the needle cylinder is a glass needle cylinder or a plastic needle cylinder.
Further, a needle sheath is sleeved on the needle.
Further, at least one elongated needle is provided.
Adopt above-mentioned technical scheme's beneficial technical effect to lie in, syringe needle sheath can avoid the syringe needle accident to stab medical personnel.
According to the technical scheme, compared with the prior art, the utility model discloses a low-residual-quantity safe self-destruction syringe can realize self-destruction function and low residual quantity simultaneously, has strengthened the security performance, has improved the utilization ratio.
Drawings
fig. 1 is a schematic view of the overall structure of the low residual quantity safety self-destruction syringe of the present invention.
In the figure: 1-needle head, 2-needle seat, 3-connecting part, 4-needle cylinder, 5-push rod, 6-rubber plug, 7-slender needle, 8-breaking part and 9-needle head sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
By figure 1, the embodiment of the utility model discloses low-residual volume safety self-destruction syringe, including syringe needle 1, syringe needle 1 fixes on needle file 2, and needle file 2 can be dismantled with cylinder 4 through connecting portion 3 and be connected, and cylinder 4 interpolation has the plug 6 of push rod 5 and 5 bottoms of push rod, and plug 6 is circular-arc or round platform form along the tip of 1 orientation of syringe needle, and connecting portion 3 is inside to be seted up with the recess of 6 appearance gomphosis of plug, has seted up the injection aperture on the basal plane of connecting portion 3, and injection aperture upwards is provided with slender needle 7. Through the utility model discloses an injector, through be provided with slender needle 7 in injection aperture circumference, when plug 6 and 3 end planes of connecting portion laminate, in plug 6 can be pricked into to slender needle 7, cause 6 sealing performance of plug to destroy, and be difficult to pull back push rod 5 once more, can realize the self-destruction function, stop illegal recovery and reuse phenomenon completely, the security performance has been strengthened, and simple structure, easily make, in the injection process, 6 tip designs of plug are circular-arc or round platform form, and with 3 inside recess looks gomphosis of connecting portion, including the liquid medicine in the cylinder 4 can not remain, the utilization ratio is improved.
Specifically, the connecting part 3 is in threaded connection with the needle cylinder 4.
Specifically, the height of the rubber plug 6 is the same as that of the connecting part 3.
Specifically, the push rod 5 is provided with a breaking part 8, and the width of the breaking part 8 is smaller than the width of the body of the push rod 5.
Specifically, a needle sheath 9 is sleeved on the needle 1.
In order to further embody the utility model discloses the beneficial technological effect who produces, the tip of the 1 direction of syringe needle can be designed into circular-arc or round platform form along the plug 6 of this embodiment, and in this embodiment, preferred round platform form, like this, the driving fit is more inseparable between plug 6 and the cylinder 4, reaches the low effect of remaining the volume.
In order to further embody the beneficial technical effects produced by the present invention, the syringe 4 of the present embodiment can be designed as a glass syringe or a plastic syringe, and in the present embodiment, the syringe is preferably a plastic syringe, so that the syringe is more durable, is more widely applicable, and has a lower cost.
In order to further embody the beneficial technical effects of the present invention, the slender needle 7 of this embodiment is provided with at least one, and in this embodiment, the slender needle 7 sets up to two, is located the both sides of injection aperture respectively, and like this, the structure is more stable, improves the validity of self-destruction function.
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 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.
Claims (8)
1. The utility model provides a low volume of remaining safety self-destruction syringe which characterized in that, includes the syringe needle, the syringe needle is fixed on the needle file, the needle file passes through connecting portion and can dismantle with the cylinder and be connected, the cylinder interpolation has closed the push rod and the plug of push rod bottom, the plug is followed the tip of syringe needle direction is circular-arc or round platform form, connecting portion inside seted up with the recess of plug appearance gomphosis, the injection aperture has been seted up on the basal plane of connecting portion, be provided with slender needle in injection aperture circumference.
2. The low residual safety self-destructing syringe according to claim 1, wherein the connecting portion is screwed to the syringe.
3. The low residual volume safety self-destructing syringe according to claim 1, wherein the height of the rubber plug is the same as the height of the connecting portion.
4. The low residual quantity safety self-destructing syringe according to claim 1, wherein the plunger is provided with a break-off portion.
5. The low residual safe self-destructing syringe according to claim 4, wherein the width of the break-off portion is less than the body width of the plunger.
6. The low residue safety self-destructing syringe according to claim 1 wherein the cartridge is a glass cartridge or a plastic cartridge.
7. The low residue safety self-destructing syringe according to claim 1, wherein a needle sheath is provided over the needle.
8. The low residue safety self-destructing syringe according to claim 1, wherein at least one elongate needle is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821276348.3U CN209771024U (en) | 2018-08-08 | 2018-08-08 | Low-residue safe self-destruction syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821276348.3U CN209771024U (en) | 2018-08-08 | 2018-08-08 | Low-residue safe self-destruction syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209771024U true CN209771024U (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821276348.3U Active CN209771024U (en) | 2018-08-08 | 2018-08-08 | Low-residue safe self-destruction syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209771024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022239899A1 (en) * | 2021-05-10 | 2022-11-17 | 주식회사 에스티에스바이오 | Low dead space syringe tip |
-
2018
- 2018-08-08 CN CN201821276348.3U patent/CN209771024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022239899A1 (en) * | 2021-05-10 | 2022-11-17 | 주식회사 에스티에스바이오 | Low dead space syringe tip |
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