CN211584669U

CN211584669U - Multi-needle-head adsorption injector

Info

Publication number: CN211584669U
Application number: CN201922183131.9U
Authority: CN
Inventors: 吴卫; 竭友; 李佳佳
Original assignee: Farmach Tianjin Pharmaceutical Technology Co ltd
Current assignee: Tianjin Haoyi Pharmaceutical Technology Co.,Ltd.
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-29
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a multi-needle formula adsorbs syringe, which comprises an outer shell, the inside of shell is provided with the structural slab, the inner wall contact of edge fixedly connected with piston ring and shell of structural slab, the lower extreme evenly distributed and the fixedly connected with syringe needle of structural slab, the inside of shell and be provided with the deflector in the below of structural slab, the middle part that the position that runs through deflector and structural slab of syringe needle is in the syringe needle, the middle part of deflector runs through and is provided with the connecting rod, the upper end fixedly connected with upper plate of connecting rod, the lower extreme fixedly connected with hypoplastron of connecting rod, the lower part of connecting rod is provided with first spring, the upper end of first spring contacts with the lower extreme of deflector. The utility model discloses in, before the liquid medicine injection human body, alright arrange the air in the device to the air gets into the human body and causes the injury, is provided with the deflector simultaneously, prevents to take place to buckle before the syringe needle pierces the human body.

Description

Multi-needle-head adsorption injector

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a multi-needle formula adsorbs syringe.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. It now appears that there are multiple needles in a single syringe. Compared with a single-needle injector, the multi-needle injector has the advantages that the single needle is small, the wound caused by the small single needle is small, the injection distribution of the liquid medicine is more uniform, and the quick absorption by a human body is facilitated.

The existing multi-needle syringe has complex structure and many pipelines, and is easy to have the condition of incomplete air discharge and difficult air discharge. Meanwhile, the number of the needles is large and small, so that the needle is easy to bend in the actual process, the liquid medicine is wasted, and the amount of the liquid medicine to be injected cannot be controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multi-needle adsorption injector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a multi-needle formula adsorbs syringe, includes the shell, the inside of shell is provided with the structural slab, the edge fixedly connected with piston ring and the inner wall contact of piston ring and shell of structural slab, the lower extreme evenly distributed and the fixedly connected with syringe needle of structural slab, the inside of shell just is provided with the deflector in the below of structural slab, the position that runs through deflector and structural slab of syringe needle is in the middle part of syringe needle, the middle part of deflector runs through and is provided with the connecting rod, the upper end fixedly connected with upper plate of connecting rod, the lower extreme fixedly connected with hypoplastron of connecting rod, the lower part of connecting rod is provided with first spring, the upper end of first spring contacts with the lower extreme of deflector, the lower extreme and the hypoplastron contact of first spring.

As a further description of the above technical solution:

the lower extreme fixedly connected with silica gel pad of shell, the lower extreme fixedly connected with protection film of silica gel pad.

As a further description of the above technical solution:

the middle part of the upper end of the shell is fixedly connected with a connector, and the connector is fixedly connected with a first hose.

As a further description of the above technical solution:

the other end of the first hose is fixedly connected with an injection needle tube, and a push rod is arranged inside the injection needle tube.

As a further description of the above technical solution:

the lower end of the connecting port is fixedly connected with a second hose, and the other end of the second hose penetrates through the structural plate and is communicated with the cavity below the structural plate.

As a further description of the above technical solution:

the middle part of the lower end of the structural plate is fixedly connected with a liquid medicine container, a liquid medicine channel is arranged in the structural plate, and the liquid medicine container is respectively communicated with the injection needle through the liquid medicine channel.

As a further description of the above technical solution:

and a second spring is arranged below the edge of the guide plate, and the lower end of the second spring is in contact with the lower end of the shell.

The utility model discloses following beneficial effect has:

1. the utility model discloses, before the syringe needle pierces the human body, because the syringe needle is comparatively tiny, very easily takes place to buckle, the deflector can help the syringe needle smoothly pierce the human body, not only conveniently controls the liquid medicine volume of injection, has still avoided the emergence of extravagant liquid medicine.

2. The utility model discloses, take off the protection film of silica gel pad lower extreme, paste the silica gel pad before the human body surface, press the deflector, with the air escape in liquid medicine passageway and syringe needle, the silica gel pad should fully contact with human skin, prevent gas leakage, along with moving down of structural slab, extrude the liquid medicine container under the effect of second spring and deflector, the syringe needle makes the air in liquid medicine passageway and the syringe needle further discharge before pricking the human body once more, prevents that the air admission human body from causing the injury.

Drawings

Fig. 1 is a side view of a multi-needle adsorption syringe according to the present invention;

fig. 2 is a schematic cross-sectional view of a multi-needle adsorption syringe according to the present invention;

fig. 3 is a schematic bottom view of a multi-needle adsorption syringe according to the present invention.

Illustration of the drawings:

1. a silica gel pad; 2. a housing; 3. a connecting port; 4. a first hose; 5. injecting a needle tube; 6. a push rod; 7. a protective film; 8. an injection needle; 9. a guide plate; 10. an upper plate; 11. a lower plate; 12. a connecting rod; 13. a first spring; 14. a second spring; 15. a piston ring; 16. a structural panel; 17. a liquid medicine passage; 18. a liquid medicine container; 19. a second hose.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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; can be mechanically or electrically 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.

Referring to fig. 1-3, the present invention provides an embodiment: a multi-needle adsorption injector comprises a shell 2, a structural plate 16 is arranged inside the shell 2, a piston ring 15 is fixedly connected to the edge of the structural plate 16, the piston ring 15 is in contact with the inner wall of the shell 2, the lower end of the structural plate 16 is uniformly distributed and is fixedly connected with injection needles 8, a guide plate 9 is arranged inside the shell 2 and below the structural plate 16, before the injection needles 8 penetrate into a human body, because the injection needles 8 are small and are easy to bend, the guide plate 9 can help the injection needles 8 to smoothly penetrate into the human body, the positions of the injection needles 8, penetrating through the guide plate 9 and the structural plate 16, are positioned in the middle of the injection needles 8, a connecting rod 12 is arranged in the middle of the guide plate 9 in a penetrating manner, an upper plate 10 is fixedly connected to the upper end of the connecting rod 12, a lower plate 11 is fixedly connected to the lower end of the connecting, the upper end of the first spring 13 is in contact with the lower end of the guide plate 9, and the lower end of the first spring 13 is in contact with the lower plate 11.

Lower extreme fixedly connected with silica gel pad 1 of shell 2, the lower extreme fixedly connected with protection film 7 of silica gel pad 1, the upper end middle part fixedly connected with connector 3 of shell 2, one side shell 2 of connector 3 should be provided with the air vent, connector 3 first hose 4 of fixedly connected with, the other end fixedly connected with injection needle tubing 5 of first hose 4, the inside of injection needle tubing 5 is provided with push rod 6, the lower extreme fixedly connected with second hose 19 of connector 3, the other end of second hose 19 runs through structural slab 16 and switches on with the cavity of structural slab 16 below, the lower extreme middle part fixedly connected with liquid medicine container 18 of structural slab 16, the inside of structural slab 16 is provided with liquid medicine passageway 17, liquid medicine container 18 communicates in injection needle 8 respectively through liquid medicine passageway 17, the edge below of deflector 9 is provided with second spring 14, the lower extreme of second spring 14 contacts with the lower extreme of shell 2.

The working principle is as follows: when the utility model is used, the protective film 7 at the lower end of the silica gel pad 1 is uncovered, the silica gel pad 1 is attached to the surface of a human body, the guide plate 9 is pressed to discharge the air in the liquid medicine channel 17 and the injection needle 8, the silica gel pad 1 is in full contact with the skin of the human body to prevent air leakage, the push rod 6 in the injection needle tube 5 is pulled to reduce the pressure of the cavity below the structural plate 16, simultaneously, the structural plate 16 moves downwards under the action of atmospheric pressure, the liquid medicine container 18 is extruded under the action of the second spring 14 and the guide plate 9 along with the downward movement of the structural plate 16, the injection needle 8 further discharges the air in the liquid medicine channel 17 and the injection needle 8 before penetrating the human body, when the injection needle 8 penetrates the human body, the lower plate 11 is in contact with the skin of the human body, along with the continuous descending of the structural plate 16, the lower plate 11 enables the upper plate 10 to extrude the liquid, a large amount of the liquid medicine is injected into the human body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A multi-needle adsorption syringe comprising a housing (2), characterized in that: the inner part of the shell (2) is provided with a structural plate (16), the edge of the structural plate (16) is fixedly connected with a piston ring (15) and the piston ring (15) is contacted with the inner wall of the shell (2), the lower end of the structural plate (16) is uniformly distributed and fixedly connected with an injection needle (8), the inner part of the shell (2) is provided with a guide plate (9) below the structural plate (16), the position of the injection needle (8) penetrating through the guide plate (9) and the structural plate (16) is positioned in the middle of the injection needle (8), the middle of the guide plate (9) is provided with a connecting rod (12) in a penetrating way, the upper end of the connecting rod (12) is fixedly connected with an upper plate (10), the lower end of the connecting rod (12) is fixedly connected with a lower plate (11), the lower part of the connecting rod (12) is provided with a first spring (13), the upper end of the first spring (13) is contacted with the lower, the lower end of the first spring (13) is in contact with the lower plate (11).

2. A multi-needle suction syringe according to claim 1, wherein: the lower extreme fixedly connected with silica gel pad (1) of shell (2), the lower extreme fixedly connected with protection film (7) of silica gel pad (1).

3. A multi-needle suction syringe according to claim 1, wherein: the middle part of the upper end of the shell (2) is fixedly connected with a connecting port (3), and the connecting port (3) is fixedly connected with a first hose (4).

4. A multi-needle suction syringe according to claim 3, characterized in that: the other end of the first hose (4) is fixedly connected with an injection needle tube (5), and a push rod (6) is arranged inside the injection needle tube (5).

5. A multi-needle suction syringe according to claim 3, characterized in that: the lower end of the connecting port (3) is fixedly connected with a second hose (19), and the other end of the second hose (19) penetrates through the structural plate (16) and is communicated with a cavity below the structural plate (16).

6. A multi-needle suction syringe according to claim 1, wherein: the middle part of the lower end of the structural plate (16) is fixedly connected with a liquid medicine container (18), a liquid medicine channel (17) is arranged in the structural plate (16), and the liquid medicine container (18) is respectively communicated with the injection needle (8) through the liquid medicine channel (17).

7. A multi-needle suction syringe according to claim 1, wherein: and a second spring (14) is arranged below the edge of the guide plate (9), and the lower end of the second spring (14) is in contact with the lower end of the shell (2).