CN216319267U

CN216319267U - Interface of injection device of medical injector

Info

Publication number: CN216319267U
Application number: CN202023135352.8U
Authority: CN
Inventors: 宣亚飞; 王明辉
Original assignee: Anhui Xuanhe Medical Technology Co ltd
Current assignee: Anhui Xuanhe Medical Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-04-19
Anticipated expiration: 2030-12-23

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an interface of an injection device of a medical injector. According to the utility model, the L-shaped groove and the fixture block are arranged, when the connecting sleeve is connected with the connecting head, the fixture block can move along the long edge of the L-shaped groove, when the fixture block reaches the bottom of the L-shaped groove, the fixture block is arranged at the position of the short edge of the L-shaped groove through rotation, so that the connection is tighter and more stable, the protective cover is arranged, so that the injector can form a relatively closed space, bacteria, microorganisms and the like are prevented from entering the injector, and the injection safety is improved.

Description

Interface of injection device of medical injector

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an interface of an injection device of a medical injector.

Background

The advent of syringes has been an epoch-making revolution in the medical device field, and the process of injecting gas or liquid with a needle is called injection. The injector 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 the inaccessible area by other methods, the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, the liquid or gas is extruded when the core rod is pushed in, and the injector can also be used for injecting medical equipment, containers and scientific instruments in chromatography through a rubber diaphragm. Injecting gas into a blood vessel will cause air embolism. The method of removing air from the syringe to avoid embolism is to invert the syringe, tap it gently, and then squeeze out a little liquid before injecting into the bloodstream. After the injection needle is inserted into the conical head of various medical injectors, various medicaments can be injected into the subcutaneous tissues, muscles, blood vessels or other tissues and organs of human bodies or animals, and various liquids can be sucked from the tissues and organs of the human bodies or the animals. After the spray head is inserted on the conical head of various medical injectors, various medicaments can be sprayed to the mucous membrane or other tissues and organs of human bodies or animals.

There are the following problems:

1. the connecting part of the injector sports injection needle of the existing medical injector adopts a sleeving connection mode, the connecting sleeve is directly sleeved on the connecting head, the injection needle is easy to fall off from the injector body, the connection stability is poor, and great potential safety hazards exist.

2. The injection cavity of the existing medical injector is directly exposed in the air, the injection core rod and the inner wall of the injector are easily polluted by bacteria and microorganisms, a patient is easily infected, and the sanitation is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the interface of the injection device of the medical injector, which solves the problems of unstable connection and poor sanitation.

In order to achieve the purpose, the utility model provides the following technical scheme: a connector of an injection appliance of a medical injector comprises an injector body, wherein the surface of the injector body is provided with a graduated scale, the top of the syringe body is fixedly connected with a connector, the surface of the connector is sleeved with a connecting sleeve, the top of the connecting sleeve is fixedly connected with an injection needle, the bottom of the injector body is detachably connected with a protective cover, one side of the protective cover is fixedly connected with a supporting plate, the interior of the protective cover is connected with a core bar in a penetrating way, the bottom of the core bar is fixedly connected with a first fixed block, the bottom of the first fixed block is fixedly connected with a press cover, the surface of the connector is provided with an L-shaped groove, the inside of the connecting sleeve is fixedly connected with a clamping block, the middle part fixedly connected with elasticity lid on protective cover surface, the top fixedly connected with second fixed block of core bar, the top fixedly connected with plug of second fixed block.

As a preferred technical scheme of the utility model, the connector is in a circular truncated cone shape, the connecting sleeve is in a circular truncated cone shape, and the inner diameter of the connecting sleeve is slightly larger than the outer diameter of the connector.

As a preferred technical scheme of the utility model, the two groups of support plates are symmetrically distributed on two sides of the protective cover, and the support plates are in a certain arc shape.

As a preferable technical scheme of the utility model, the elastic cover is provided with a through hole, and the inner diameter of the through hole is matched with the outer diameter of the core rod.

As a preferred technical scheme of the utility model, four groups of L-shaped grooves are arranged on the surface of the connector, four groups of clamping blocks are arranged in the connecting sleeve in an annular manner, and the inner diameter of each L-shaped groove is matched with the outer diameter of each clamping block.

As a preferable technical scheme of the utility model, the outer diameter size of the rubber plug is matched with the inner diameter size of the syringe body.

Compared with the prior art, the utility model provides an interface of an injection device of a medical injector, which has the following beneficial effects:

1. this interface of injection ware of medical syringe through setting up L type recess and fixture block, when the adapter sleeve is connected with the connector, the fixture block can remove along the long limit of L type recess, when reacing L type recess bottom, arranges the minor face position of L type recess in through rotatory messenger's fixture block, can make to connect inseparabler and stable, ensures going on smoothly of injection process.

2. This interface of injection utensil of medical syringe through setting up the protective cover, can make the syringe form a comparatively inclosed space, prevents to have inside entering syringe such as bacterium, microorganism, causes the pollution, has reduced the probability that the patient infected when the injection, has improved the health and safety of injection.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention;

fig. 3 is a schematic view of a protective cover according to the present invention.

In the figure: 1. a syringe body; 2. a graduated scale; 3. a connector; 4. connecting sleeves; 5. an injection needle; 6. a protective cover; 7. a support plate; 8. a core bar; 9. a first fixed block; 10. pressing the cover; 11. an L-shaped groove; 12. a clamping block; 13. an elastic cover; 14. a second fixed block; 15. a rubber plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: the interface of the injection appliance of the medical injector comprises an injector body 1, a graduated scale 2 is arranged on the surface of the injector body 1, a connector 3 is fixedly connected to the top of the injector body 1, a connecting sleeve 4 is sleeved on the surface of the connector 3, an injection needle 5 is fixedly connected to the top of the connecting sleeve 4, a protective cover 6 is detachably connected to the bottom of the injector body 1, a supporting plate 7 is fixedly connected to one side of the protective cover 6, a core rod 8 is connected to the inside of the protective cover 6 in a penetrating manner, a first fixing block 9 is fixedly connected to the bottom of the core rod 8, a pressing cover 10 is fixedly connected to the bottom of the first fixing block 9, an L-shaped groove 11 is formed in the surface of the connector 3, a clamping block 12 is fixedly connected to the inside of the connecting sleeve 4, an elastic cover 13 is fixedly connected to the middle of the surface of the protective cover 6, a second fixing block 14 is fixedly connected to the top of the core rod 8, and a rubber plug 15 is fixedly connected to the top of the second fixing block 14.

In the embodiment, the connector 3 is in a circular truncated cone shape, the connecting sleeve 4 is in a circular truncated cone shape, the inner diameter of the connecting sleeve 4 is slightly larger than the outer diameter of the connector 3, the connecting sleeve 4 can be smoothly connected with the connector 3, and the air tightness of the connection is improved; the two groups of supporting plates 7 are symmetrically distributed on the two sides of the protective cover 6, the supporting plates 7 are in a certain arc shape, the arc-shaped supporting plates 7 are more suitable for the angle of a human hand, and the injection process is more stable; the elastic cover 13 is provided with a through hole, the inner diameter size of the through hole is matched with the outer diameter size of the core rod 8, so that the core rod 8 can smoothly slide in the syringe body 1 for injection, and the elastic cover 13 is helpful for keeping the sanitation and safety of the interior of the syringe to the maximum extent; the L-shaped grooves 11 are provided with four groups, the four groups of L-shaped grooves 11 are annularly distributed on the surface of the connector 3, the four groups of fixture blocks 12 are annularly distributed inside the connecting sleeve 4, the inner diameter size of the L-shaped grooves 11 is matched with the outer diameter size of the fixture blocks 12, the stable connection of the syringe body 1 and the syringe needle 5 is facilitated, and the safety during injection is improved; the outer diameter of the rubber plug 15 is matched with the inner diameter of the syringe body 1, which is helpful to form sealing between the rubber plug 15 and the syringe body 1, and the injection can be smoothly carried out.

The working principle and the using process of the utility model are as follows: when the injection syringe is used, the protective sleeve on the surface of the injection needle 5 is removed, the connecting sleeve 4 on one side of the injection needle 5 is connected with the connecting head 3 on one side of the injection syringe body 1, the clamping block 12 in the connecting sleeve 4 moves inwards along the long edge of the L-shaped groove 11 on the surface of the connecting head 3, after the connecting sleeve is moved to a fixed position, the connecting sleeve 4 is rotated, the clamping block 12 is clamped at the short edge of the L-shaped groove 11, the connection between the injection syringe body 1 and the injection needle 15 is more stable, the injection process is more facilitated, the liquid medicine in the injection syringe is injected into a patient body by pressing the pressing cover 10, the protective cover 6 can prevent the interior of the injection syringe body 1 from being influenced by the outside, the sanitation of the injection syringe is kept, the safety and the health of the patient are prevented from being influenced by pollution, and the use safety of the injection syringe is improved.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Interface of an injector device of a medical injector, comprising a syringe body (1), characterized in that: the surface of the injector body (1) is provided with a graduated scale (2), the top fixedly connected with connector (3) of the injector body (1), adapter sleeve (4) has been cup jointed on the surface of connector (3), the top fixedly connected with syringe needle (5) of adapter sleeve (4), the bottom of the injector body (1) can be dismantled and be connected with protective cover (6), one side fixedly connected with backup pad (7) of protective cover (6), the inside through connection of protective cover (6) has core bar (8), the first fixed block (9) of bottom fixedly connected with of core bar (8), the bottom fixedly connected with of first fixed block (9) presses gland (10), L type recess (11) has been seted up on the surface of connector (3), the inside fixedly connected with fixture block (12) of adapter sleeve (4), the middle part fixedly connected with elasticity lid (13) on protective cover (6) surface, the top of the core bar (8) is fixedly connected with a second fixed block (14), and the top of the second fixed block (14) is fixedly connected with a rubber plug (15).

2. An interface of an injection instrument of a medical injector according to claim 1, characterized in that: connector (3) are round platform shape, adapter sleeve (4) are round platform shape, the internal diameter size of adapter sleeve (4) slightly is greater than the external diameter size of connector (3).

3. An interface of an injection instrument of a medical injector according to claim 1, characterized in that: the supporting plates (7) are two groups, the two groups of supporting plates (7) are symmetrically distributed on two sides of the protective cover (6), and the supporting plates (7) are arc-shaped.

4. An interface of an injection instrument of a medical injector according to claim 1, characterized in that: the elastic cover (13) is provided with a through hole, and the inner diameter of the through hole is matched with the outer diameter of the core rod (8).

5. An interface of an injection instrument of a medical injector according to claim 1, characterized in that: l type recess (11) have four groups, and four groups L type recesses (11) are the annular and distribute in the surface of connector (3), fixture block (12) have four groups, and four groups fixture block (12) are the annular and distribute in the inside of adapter sleeve (4), the internal diameter size of L type recess (11) and the external diameter size phase-match of fixture block (12).

6. An interface of an injection instrument of a medical injector according to claim 1, characterized in that: the outer diameter of the rubber plug (15) is matched with the inner diameter of the syringe body (1).