CN211383192U - Syringe - Google Patents
Syringe Download PDFInfo
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- CN211383192U CN211383192U CN201921861455.7U CN201921861455U CN211383192U CN 211383192 U CN211383192 U CN 211383192U CN 201921861455 U CN201921861455 U CN 201921861455U CN 211383192 U CN211383192 U CN 211383192U
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Abstract
The utility model relates to the technical field of medical appliances. An injector comprises a needle cylinder and a needle head connected to the front end of the needle cylinder, wherein a piston is arranged in the needle cylinder, the piston is in interference fit with the inner surface of the needle cylinder, a piston rod is arranged on the piston, a through hole is formed in the middle of the piston, a sliding groove is formed in the outer surface of the piston rod along the length direction of the piston rod, a stirring shaft is movably arranged in the sliding groove, and the stirring shaft penetrates through the through hole; the stirring shaft is connected with the inner surface of the through hole in a sealing way. The utility model discloses an injector novel structure, unique can effectively simplify the flow of dispensing, improves the efficiency of dispensing, injection greatly, alleviates medical staff's operating pressure.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to an injector.
Background
After preparation, the injection is injected into a human body; in the traditional method, one method is to inject a plurality of liquid medicines into a standby container, and the medicines are fused as soon as possible by continuously pumping the liquid medicines; in order to ensure the cleanness of the liquid medicine, the standby container usually adopts an airtight structure, so that great labor is consumed when the liquid medicine is sucked by using an injector, and the bottle body needs to be continuously shaken in the process to accelerate the mixing of the liquid medicine; after mixing, reuse the needle tubing with the medicine suction, can see out the process of dispensing very consuming time from this, seriously influence and diagnose efficiency, in addition, diagnose at every turn after ending, still need wash, disinfect reserve container, post processing, preparation work are more loaded down with trivial details. The other method is to use an injector to suck different western medicines for mixing and then inject, and the existing injector has small volume, is not easy to operate and has poor mixing effect. Therefore, conventional injection of a dose presents great inconvenience.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model discloses a current syringe in order to solve existence among the prior art is comparatively inconvenient when dispensing, needs continuous rocking reserve container or syringe when using the syringe to dispense, accelerates the mixture of liquid medicine to the shortcoming of the speed of dispensing has been reduced, and the syringe that proposes, this syringe novel structure, unique, can effectively simplify the flow of dispensing, improve the efficiency of dispensing, injection greatly, alleviate medical staff's operating pressure.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
an injector comprises a needle cylinder and a needle head connected to the front end of the needle cylinder, wherein a piston is arranged in the needle cylinder, the piston is in interference fit with the inner surface of the needle cylinder, a piston rod is arranged on the piston, a through hole is formed in the middle of the piston, a sliding groove is formed in the outer surface of the piston rod along the length direction of the piston rod, a stirring shaft is movably arranged in the sliding groove, and the stirring shaft penetrates through the through hole; the stirring shaft is connected with the inner surface of the through hole in a sealing way.
Further, the stirring shaft comprises a shaft body and a stirring blade arranged on the shaft body, a sealing plate is arranged at the front end of the shaft body, and the sealing plate can be in sealing fit with the through hole; the stirring blade is close to the sealing plate.
Further, a spiral groove is formed in the inner surface of the through hole, which is close to one end of the sliding groove, a spiral protrusion is arranged on the side wall of the middle part of the shaft body, and the spiral protrusion is closely matched with the spiral groove in the inner surface of the through hole; a spherical groove is formed in the rear end of the shaft body and connected with a ball head connecting piece, the ball head connecting piece comprises a ball head and a connecting rod, the ball head and one end of the connecting rod are of an integrally formed structure, and a handle is arranged at the other end of the connecting rod; the ball head is rotatably mounted and locked in the spherical recess.
Furthermore, a spring is arranged in the sliding groove, the shaft body penetrates through the spring, one end of the spring is fixedly connected with the piston, and the other end of the spring is fixedly connected with the rear end of the shaft body.
Further, the length of the through hole is 1.0-1.5 cm.
Furthermore, the outer side wall of the needle cylinder is provided with scale marks.
Furthermore, a push plate is arranged at one end, far away from the piston, of the piston rod.
Furthermore, a sealing ring is arranged at the joint of the needle head and the needle cylinder.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses an injector novel structure, unique can effectively simplify the flow of dispensing, improves the efficiency of dispensing, injection greatly, alleviates medical staff's operating pressure. The utility model is provided with a through hole in the middle of the piston, the outer surface of the piston rod is provided with a chute along the length direction of the piston rod, a stirring shaft is movably arranged in the chute and passes through the through hole; the liquid medicine in the needle cylinder is stirred through the stirring shaft, so that the medicine dispensing is convenient, the operation is simple and labor-saving, the medicine can be dispensed quickly, the labor intensity of nurse in medicine dissolving and dispensing is reduced, and the working efficiency is improved.
2. The utility model discloses the leakproofness between axis body and the through-hole is good, and the setting of (mixing) shaft does not influence the normal use of syringe.
3. The utility model discloses because be equipped with spiral groove on the internal surface of through-hole, it is protruding to be equipped with the spiral on the axis body middle part lateral wall, during the use, because spiral groove interact on spiral protrusion and the through-hole internal surface and drive the (mixing) shaft and rotate, linear motion is being forward to the (mixing) shaft, circular motion is still being around the through-hole center, liquid in the cylinder receives the effect of (mixing) shaft both to do forward motion, circular motion is done again, be equivalent to and stir the liquid medicine with the glass stick, the mixture of liquid medicine has been accelerated, at this in-process, although circular motion is done to the (mixing) shaft, because the axis body rear end rotates and is connected with the bulb connecting piece, therefore the connecting rod does not rotate, do not influence the operation of pressing of hand.
Drawings
Fig. 1 is a schematic structural diagram of an injector according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a second syringe according to an embodiment of the present invention.
Fig. 3 is a usage status diagram of the second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the piston of the present invention.
Fig. 5 is a schematic structural diagram of the piston and the piston rod of the present invention.
Fig. 6 is a schematic structural view of the stirring shaft of the present invention.
Wherein, labeled in the figures: 1-a needle cylinder; 2-a needle head; 3-a piston; 4-a piston rod; 5-a through hole; 6-a chute; 7-shaft body; 8-stirring blade; 9-sealing plate; 10-a spiral groove; 11-a spiral protrusion; 12-spherical grooves; 13-a ball head; 14-a connecting rod; 15-a handle; 16-a spring; 17-push plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to fig. 1 to 6, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in figure 1, the injector comprises a needle cylinder 1 and a needle head 2 connected with the front end of the needle cylinder 1, wherein a sealing ring is arranged at the joint of the needle head and the needle cylinder; a piston 3 is arranged in the needle cylinder 1, the piston 3 is in interference fit with the inner surface of the needle cylinder 1, a piston 3 rod 4 is arranged on the piston 3, a push plate 17 is arranged at one end, far away from the piston 3, of the piston 3 rod 4, a through hole 5 is formed in the middle of the piston 3, a sliding groove 6 is formed in the outer surface of the piston 3 rod 4 along the length direction of the piston 3 rod 4, a stirring shaft 8 is movably arranged in the sliding groove 6, and the stirring shaft 8 penetrates through the through hole 5; the stirring shaft 8 is hermetically connected with the inner surface of the through hole 5. The size of the syringe is selected to be large, and the size of the syringe in this embodiment is 1ml, 2ml, 5ml, 10ml, 20ml, 30ml, 50ml or 100 ml.
The utility model has the advantages that the through hole 5 is arranged in the middle of the piston 3, the chute 6 is arranged on the outer surface of the rod 4 of the piston 3 along the length direction of the rod 4 of the piston 3, the stirring shaft 8 is movably arranged in the chute 6, and the stirring shaft 8 passes through the through hole 5; the liquid medicine in the needle cylinder 1 is stirred through the stirring shaft 8, the medicine dispensing is convenient, the operation is simple and labor-saving, the medicine can be dispensed quickly, the labor intensity of the nurse in dissolving and dispensing the medicine is reduced, and the working efficiency is improved.
The stirring shaft 8 comprises a shaft body 7 and stirring blades arranged on the shaft body 7, a sealing plate 9 is arranged at the front end of the shaft body 7, and the sealing plate 9 can be in sealing fit with the through hole 5; the stirring blade is close to the sealing plate 9. The utility model discloses the leakproofness between axis body 7 and the through-hole 5 is good, and the normal use of syringe is not influenced in setting up of (mixing) shaft 8.
Further, the length of the through hole 5 is 1.0-1.5 cm. Stirring vane can be acceptd completely in through-hole 5, and when (mixing) shaft 8 was not used, closing plate 9 can seal through-hole 5, also for sealing connection between axis body 7 and the through-hole 5, and piston 3 adopts rubber piston 3 to make, and the surface of (mixing) shaft 8 also adopts materials such as rubber or silica gel to make, can prevent to leak.
Furthermore, the outer side wall of the needle cylinder 1 is provided with scale marks which can be accurately controlled according to the dosage requirement.
Example two
As shown in fig. 2-6, the present embodiment is substantially the same as the first embodiment, except that a spiral groove 10 is formed on the inner surface of the through hole 5 near one end of the sliding chute 6, a spiral protrusion 11 is formed on the side wall of the middle portion of the shaft body 7, and the spiral protrusion 11 is closely matched with the spiral groove 10 on the inner surface of the through hole 5; a spring 16 is arranged in the chute 6, the shaft body 7 penetrates through the spring 16, one end of the spring 16 is fixedly connected with the piston 3, the other end of the spring 16 is fixedly connected with the rear end of the shaft body 7, a spherical groove 12 is formed in the rear end of the shaft body 7, the spherical groove 12 is connected with a ball head 13 connecting piece, the ball head 13 connecting piece comprises a ball head 13 and a connecting rod 14, the ball head 13 and one end of the connecting rod 14 are of an integrally formed structure, and a handle 15 is arranged at the other end of the connecting rod; the ball head 13 is rotatably mounted and locked in the spherical recess 12. During the use, because spiral protrusion 11 and the spiral recess 10 on the through-hole 5 internal surface interact and drive (mixing) shaft 8 and rotate, stirring shaft 8 is when making rectilinear motion forward, still be circular motion around through-hole 5 center, the liquid in the cylinder 1 receives the effect of (mixing) shaft 8 both to do the forward motion, be circular motion again, be equivalent to with glass stick stirring liquid medicine, the mixture of liquid medicine has been accelerated, in this process, although stirring shaft 8 is circular motion, because the rear end of axis body 7 rotates and is connected with bulb 13 connecting piece, therefore connecting rod 14 does not rotate, do not influence the hand and to 3 pole 4's of piston pressing operation, through setting up spring 16, can make automatic re-setting after the stirring of (mixing) shaft 8.
The utility model discloses during the use, through pulling 3 poles 4 of piston and extracting the liquid medicine in cylinder 1, stir the liquid medicine in cylinder 1 through (mixing) shaft 8. The (mixing) shaft 8 is when being linear motion forward, circular motion is still being around 5 centers of through-hole, liquid in the cylinder 1 receives the effect of (mixing) shaft 8 both to do forward motion, circular motion is again, be equivalent to with glass stick stirring liquid medicine, the mixture of liquid medicine has been accelerated, at this in-process, although circular motion is done to (mixing) shaft 8, because 7 rear ends of axis body rotate and are connected with bulb 13 connecting piece, consequently connecting rod 14 does not rotate, do not influence the hand to 3 pole 4's of piston pressing operation, through setting up spring 16, can make automatic re-setting after the (mixing) shaft 8 stirs. The utility model discloses an injector can be used for the stirring between the liquid reagent to mix, also can be used for the mixture to the stirring between powdered fixed reagent and the liquid reagent.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (8)
1. The utility model provides an injector, includes the cylinder and connects the syringe needle in the cylinder front end, be equipped with the piston in the cylinder, the piston with the internal surface interference fit of cylinder, be equipped with piston rod, its characterized in that on the piston: a through hole is formed in the middle of the piston, a sliding groove is formed in the outer surface of the piston rod along the length direction of the piston rod, a stirring shaft is movably arranged in the sliding groove and penetrates through the through hole; the stirring shaft is connected with the inner surface of the through hole in a sealing way.
2. A syringe according to claim 1, wherein: the stirring shaft comprises a shaft body and stirring blades arranged on the shaft body, a sealing plate is arranged at the front end of the shaft body, and the sealing plate can be in sealing fit with the through hole; the stirring blade is close to the sealing plate.
3. A syringe according to claim 2, wherein: a spiral groove is formed in the inner surface of the through hole, close to one end of the sliding groove, a spiral protrusion is arranged on the side wall of the middle of the shaft body, and the spiral protrusion is closely matched with the spiral groove in the inner surface of the through hole; a spherical groove is formed in the rear end of the shaft body and connected with a ball head connecting piece, the ball head connecting piece comprises a ball head and a connecting rod, the ball head and one end of the connecting rod are of an integrally formed structure, and a handle is arranged at the other end of the connecting rod; the ball head is rotatably mounted and locked in the spherical recess.
4. A syringe according to claim 3, wherein: the spring is arranged in the sliding groove, the shaft body penetrates through the spring, one end of the spring is fixedly connected with the piston, and the other end of the spring is fixedly connected with the rear end of the shaft body.
5. A syringe according to claim 1, wherein: the length of the through hole is 1.0-1.5 cm.
6. A syringe according to claim 1, wherein: the outer side wall of the needle cylinder is provided with scale marks.
7. A syringe according to claim 1, wherein: and a push plate is arranged at one end of the piston rod, which is far away from the piston.
8. A syringe according to claim 1, wherein: and a sealing ring is arranged at the joint of the needle head and the needle cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861455.7U CN211383192U (en) | 2019-10-31 | 2019-10-31 | Syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861455.7U CN211383192U (en) | 2019-10-31 | 2019-10-31 | Syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211383192U true CN211383192U (en) | 2020-09-01 |
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ID=72206747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921861455.7U Active CN211383192U (en) | 2019-10-31 | 2019-10-31 | Syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211383192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190362A (en) * | 2020-10-12 | 2021-01-08 | 许�鹏 | Injection device for animal epidemic disease detection |
| CN112494773A (en) * | 2020-11-26 | 2021-03-16 | 右江民族医学院附属医院 | Concentration regulation formula anaesthesia device of department of anesthesia |
-
2019
- 2019-10-31 CN CN201921861455.7U patent/CN211383192U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190362A (en) * | 2020-10-12 | 2021-01-08 | 许�鹏 | Injection device for animal epidemic disease detection |
| CN112494773A (en) * | 2020-11-26 | 2021-03-16 | 右江民族医学院附属医院 | Concentration regulation formula anaesthesia device of department of anesthesia |
| CN112494773B (en) * | 2020-11-26 | 2022-07-05 | 右江民族医学院附属医院 | Concentration regulation formula anaesthesia device of department of anesthesia |
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