CN216496863U

CN216496863U - Multi-cavity injector capable of synchronously mixing medicines

Info

Publication number: CN216496863U
Application number: CN202122547591.2U
Authority: CN
Inventors: 许宗胜; 谢丹
Original assignee: Honghu Taining Medical Equipment Co ltd
Current assignee: Honghu Taining Medical Equipment Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-13
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a multi-cavity injector for synchronously mixing medicaments, which relates to the technical field of injectors and comprises a main injection tube and an injection needle head, wherein a liquid outlet tube is arranged at the central position of the bottom end of the main injection tube, an auxiliary injection tube is arranged in the main injection tube, an L-shaped limiting frame is fixedly arranged on the circumferential array of the inner wall of the liquid outlet tube, the top end of the L-shaped limiting frame is fixed with the edge of the bottom end of the auxiliary injection tube, a sealing disc is arranged in the main injection tube, a push rod is fixedly arranged on the top surface of the sealing disc, a sealing plug is fixedly arranged on the bottom surface of the sealing disc, a sealing ring is fixedly arranged on the edge of the bottom surface of the sealing disc, and the liquid in the main injection tube and the auxiliary injection tube is pushed by the push rod through the sealing ring and the sealing plug on the bottom surface of the sealing disc respectively, so that the liquid in the main injection tube and the auxiliary injection tube is mixed and ejected from the injection needle head, a plurality of cavities can be arranged in the injector for storing the liquid medicaments, and the preparation work of the mixed liquid medicament can be convenient, the structure is simple, the size and the shape of the outer part of the main injection tube are not changed, and the carrying and the injection use are convenient.

Description

Multi-cavity injector capable of synchronously mixing medicines

Technical Field

The utility model relates to the technical field of syringes, in particular to a multi-cavity syringe capable of synchronously mixing medicines.

Background

According to the Chinese patent No. CN103143081B, the utility model discloses a multi-chamber injector which can be used for human injection and has independent medicament cylinder and mixing in a puncturing device, belonging to the technical field of medical appliances, the injector comprises a push rod fixing disc, an injection push rod, a pinch plate, an outer layer injection cylinder, a puncturing device, an independent medicament cylinder, a needle head, a lower movable needle cover and an upper movable cover, the inner part of the outer layer injection cylinder is divided into a plurality of cavities, the outer parts of the upper end and the lower end are provided with annular convex structures, the independent medicament cylinder can be placed in the cavities, the pinch plate can be rotatably clamped on the upper end convex structure, the puncturing device can be pushed to be clamped into the lower end convex structure, the utility model utilizes the independent medicament cylinder to split-pack a plurality of medicaments to be mixed, the filling realizability is better, the using time on a battlefield can be furthest reduced, the liquid medicament is sealed, the safety and the sanitation are ensured by adopting the needle head, the push rod can be a whole body, can be divided into an upper section and a lower section, is simple in assembly and convenient in injection, and the medicament tube can be repeatedly used, thereby achieving the purposes of quick mixing and quick injection.

When the above-mentioned patent document is in practical use, because cartridge case is more and both ends cooperate about combining, the structure is complicated, compares structure change great with current syringe, because the disposable performance of syringe, above-mentioned method manufacturing cost is higher, is difficult for carrying, the syringe of not being convenient for uses.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a multi-cavity injector for synchronously mixing medicines.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a multicavity syringe of synchronous medicine mixing, includes main injection syringe and syringe needle, main injection syringe bottom central point puts and is equipped with the drain pipe, main injection syringe inside is equipped with vice injection syringe, the fixed spacing frame of L type that is equipped with of drain pipe inner wall circumference array, the spacing frame top of L type is fixed with vice injection syringe bottom edge, the inside sealed dish that is equipped with of main injection syringe, sealed dish top surface central point puts the fixed push rod that is equipped with, sealed dish bottom surface central point puts the fixed sealing plug that is equipped with, sealed dish bottom surface edge is fixed and is equipped with the sealing ring.

Preferably, an injection needle is sleeved on the outer surface of the liquid outlet pipe, a sealing valve is arranged in the liquid outlet pipe and close to the injection needle, and the sealing valve is located between the injection needle and the L-shaped limiting frame.

Preferably, the outer wall surface of the main injection pipe is fixedly provided with scale marks, the outer surface of the auxiliary injection pipe is provided with scale marks, and the main injection pipe and the auxiliary injection pipe are both formed by injection molding of transparent polyethylene.

Preferably, the sealing plug is cylindrical, the diameter of the sealing plug is in interference fit with the inner wall of the auxiliary injection pipe, the diameter of the outer wall of the sealing ring is in interference fit with the inner wall of the main injection pipe, and the diameter of the inner wall of the sealing ring is in interference fit with the outer wall of the auxiliary injection pipe.

Preferably, the vertical length of the sealing plug is the same as the depth of the inner part of the auxiliary injection pipe in the vertical direction, the length of the sealing ring is the same as the length of the outer part of the auxiliary injection pipe in the vertical direction, and the diameter of the sealing disc is in interference fit with the inner wall of the main injection pipe.

Preferably, the outer edges of the main injection pipe and the auxiliary injection pipe are both treated by vertically polishing burrs, and the sealing disc, the sealing ring and the sealing plug are all formed by injection molding of rubber materials.

Advantageous effects

According to the utility model, the auxiliary injection tube is fixed in the main injection tube close to the liquid outlet tube, and the liquid in the main injection tube and the auxiliary injection tube is pushed by the push rod through the sealing ring and the sealing plug on the bottom surface of the sealing disc respectively, so that the liquid in the main injection tube and the auxiliary injection tube is mixed and is ejected from the injection needle, a plurality of cavities can be arranged in the injection tube to store liquid medicine, the preparation work of mixing the liquid medicine in advance is facilitated, the use time is saved, the structure is simple, the size and the shape of the outer part of the main injection tube are not changed, the cost is saved, and the injection and the carrying are convenient.

Drawings

FIG. 1 is a front cross-sectional view of a multi-chamber syringe for simultaneous mixing of medicaments;

FIG. 2 is an exploded view of a multi-chamber syringe for simultaneous mixing;

FIG. 3 is a schematic perspective view of a multi-chamber syringe for simultaneous mixing;

FIG. 4 is a view showing the seal disk connection structure of a multi-chamber syringe for simultaneous mixing.

Illustration of the drawings:

1. a main injection tube; 2. a secondary injection tube; 3. a liquid outlet pipe; 4. an injection needle; 5. scale marks; 6. a push rod; 7. sealing the disc; 8. a seal ring; 9. a sealing plug; 10. an L-shaped limiting frame; 11. and sealing the valve.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a multi-cavity injector for synchronously mixing medicine comprises a main injection tube 1 and an injection needle 4, a liquid outlet tube 3 is arranged at the center position of the bottom end of the main injection tube 1, an auxiliary injection tube 2 is arranged in the main injection tube 1, an L-shaped limiting frame 10 is fixedly arranged on the circumferential array of the inner wall of the liquid outlet tube 3, the top end of the L-shaped limiting frame 10 is fixed with the bottom end edge of the auxiliary injection tube 2, a sealing disc 7 is arranged in the main injection tube 1, a push rod 6 is fixedly arranged at the center position of the top surface of the sealing disc 7, a sealing plug 9 is fixedly arranged at the center position of the bottom surface of the sealing disc 7, a sealing ring 8 is fixedly arranged at the edge of the bottom surface of the sealing disc 7, the push rod 6 is drawn out from the main injection tube 1 to drive the sealing disc 7, the sealing ring 8 and the sealing plug 9 are drawn out from the main injection tube 1, a first medicine liquid is injected from the top end in the main injection tube 1, a second medicine is injected from the center position of the top of the main injection tube 1 by the auxiliary injection tube 2, the push rod 6 is pushed into the main injection tube 1, so that the sealing plug 9 and the sealing ring 8 respectively push the auxiliary injection tube 2, the main injection tube 1 and the auxiliary injection tube 2 in a sealing way, the top end of the injection needle 4 is sealed through the outside, the liquid medicine is prepared and stored in the main injection tube 1, when in use, the push rod 6 is directly pushed, the auxiliary injection tube 2 is fixed in the main injection tube 1 near the liquid outlet tube 3, the liquid in the main injection tube 1 and the liquid in the auxiliary injection tube 2 are respectively pushed by the sealing ring 8 and the sealing plug 9 on the bottom surface of the sealing disc 7 under the push rod 6, so that the liquid in the main injection tube 1 and the auxiliary injection tube 2 is mixed and is ejected from the injection needle 4, a plurality of cavities can be arranged in the injector to store the liquid medicine, the preparation work for mixing the liquid medicine is facilitated, and the use time is saved, the structure is simple, the size and the shape of the outer part of the main injection tube 1 are not changed, the carrying and the injection use are convenient, the injection needle 4 is sleeved on the outer surface of the liquid outlet tube 3, the sealing valve 11 is arranged at the position, close to the injection needle 4, in the liquid outlet tube 3, the sealing valve 11 is positioned between the injection needle 4 and the L-shaped limiting frame 10, the sealing valve 11 seals the circulation position of the main injection tube 1 and the auxiliary injection tube 2, the sealing valve 11 is opened after being pressed to push out the liquid medicine into the injection needle 4, the scale mark 5 is fixedly arranged on the outer wall surface of the main injection tube 1, the scale mark 5 is arranged on the outer surface of the auxiliary injection tube 2, the main injection tube 1 and the auxiliary injection tube 2 are both formed by transparent polyethylene injection molding, the internal volumes of the main injection tube 1 and the auxiliary injection tube 2 are displayed through the scale mark 5, the volume scale marks of the annular space in the main injection tube 1 and the auxiliary injection tube 2 are corresponding to the scale marks on the surface of the main injection tube 1, volume observation convenient to injection liquid medicine, the liquid medicine ratio of being convenient for, sealing plug 9 is the cylinder type, and sealing plug 9 diameter and 2 inner wall interference fit of vice injection tube, 8 outer wall diameters of sealing ring and 1 inner wall interference fit of main injection tube, and 8 inner wall diameters of sealing ring and 2 outer wall interference fit of vice injection tube, the vertical length of sealing plug 9 is the same with the inside vertical direction degree of depth of

vice injection tube

2, 8 lengths of sealing ring are the same with 2 outside vertical direction lengths of vice injection tube, sealed dish 7 diameter and 1 inner wall interference fit of main injection tube, main injection tube 1 all adopts vertical burr treatment of polishing with 2 outside edges of vice injection tube, sealed dish 7,

sealing ring

8 and 9 all adopt rubber material injection moulding, make sealed dish 7, sealing ring 8 and sealing plug 9 carry out the adaptation with main injection tube 1 and vice injection tube 2, the promotion of the liquid medicine of being convenient for.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A multi-cavity injector for synchronously mixing medicines comprises a main injection tube (1) and an injection needle (4), and is characterized in that: main injection pipe (1) bottom central point puts and is equipped with drain pipe (3), main injection pipe (1) inside is equipped with vice injection pipe (2), drain pipe (3) inner wall circumference array is fixed and is equipped with spacing (10) of L type, spacing (10) top of L type and vice injection pipe (2) bottom edge fastening, main injection pipe (1) inside is equipped with sealed dish (7), sealed dish (7) top surface central point rigidity is equipped with push rod (6), sealed dish (7) bottom surface central point rigidity is equipped with sealing plug (9), sealed dish (7) bottom surface edge fastening is equipped with sealing ring (8).

2. A multi-chamber syringe for simultaneous mixing of medication according to claim 1, wherein: the outer surface of the liquid outlet pipe (3) is sleeved with an injection needle (4), a sealing valve (11) is arranged in the liquid outlet pipe (3) and close to the injection needle (4), and the sealing valve (11) is located between the injection needle (4) and the L-shaped limiting frame (10).

3. A multi-chamber syringe for simultaneous mixing of medication according to claim 1, wherein: the injection molding device is characterized in that a scale mark (5) is fixedly arranged on the surface of the outer wall of the main injection pipe (1), a scale mark (5) is arranged on the outer surface of the auxiliary injection pipe (2), and the main injection pipe (1) and the auxiliary injection pipe (2) are both formed by injection molding of transparent polyethylene.

4. A multi-chamber syringe for simultaneous mixing of medication according to claim 1, wherein: sealing plug (9) are the cylinder type, and sealing plug (9) diameter and vice injection pipe (2) inner wall interference fit, sealing ring (8) outer wall diameter and main injection pipe (1) inner wall interference fit, and sealing ring (8) inner wall diameter and vice injection pipe (2) outer wall interference fit.

5. A multi-chamber syringe for simultaneous mixing of medication according to claim 1, wherein: the vertical length of the sealing plug (9) is the same as the depth of the inner vertical direction of the auxiliary injection tube (2), the length of the sealing ring (8) is the same as the length of the outer vertical direction of the auxiliary injection tube (2), and the diameter of the sealing disc (7) is in interference fit with the inner wall of the main injection tube (1).

6. A multi-chamber syringe for simultaneous mixing of medication according to claim 1, wherein: the main injection pipe (1) and the auxiliary injection pipe (2) are all processed by vertically polishing burrs, and the sealing disc (7), the sealing ring (8) and the sealing plug (9) are all formed by injection molding of rubber materials.