CN211561398U

CN211561398U - Disposable syringe convenient to operate

Info

Publication number: CN211561398U
Application number: CN202020038651.0U
Authority: CN
Inventors: 韩宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-25
Anticipated expiration: 2030-01-09

Abstract

A disposable syringe convenient to operate comprises an outer barrel, a piston rod and a needle cover which are sleeved, wherein the insertion end of the piston rod is connected with a sealing gasket, the tail end of the piston rod is connected with a push plate, and a placing seat is arranged at one end, located at a needle point, of the needle cover; a puncture channel is formed in the piston rod and the push plate in a run-through manner, a puncture rod is inserted into the puncture channel, the insertion end of the puncture rod is a tip end, the tail end of the puncture rod is hinged with a pressing rod, and the pressing rod is fixed on the top surface of the push plate after being folded; the length of the puncture rod is less than that of the puncture channel, and the total length of the puncture rod and the pressing rod is greater than that of the puncture channel. The needle cover is vertically placed through the placing seat, the injector is directly held after injection is finished, the needle head is vertically inserted into the needle cover, and the needle cover is operated by only one hand, so that puncture is avoided; the pressing rod is erected before the needle cover is covered, the needle cover can be covered and the injector can be destroyed by pushing the pressing rod, and the device is efficient and convenient.

Description

Disposable syringe convenient to operate

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a disposable syringe.

Background

The injector is a medical apparatus with wide application, is used for hypodermic injection, intramuscular injection, intravenous injection and the like, and although the injector cannot be reused by national mandatory regulations, most of the existing injectors do not have the mandatory damage function of disposable. The existing syringe has a complete structure after being used, can still be used continuously, and is easy to be recycled and reused by lawbreakers, thereby easily causing cross infection and leaving serious hidden troubles for infectious diseases or other medical accidents.

After the disposable syringe is used, in order to prevent needle stick injury, the needle cover can still be covered and then is uniformly treated, a medical worker holds the needle cover with one hand and inserts the syringe body with the other hand. Both hands are required to operate simultaneously, so that the operation is inconvenient; but also easily pricks the hand holding the needle cover, causing injury and even infection.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a disposable syringe of simple operation can directly destroy in order to avoid reuse after using, and the lid closes the needle lid and destroys the operation all very safe convenient, convenient to popularize and apply.

In order to solve the technical problem, the utility model discloses a following scheme:

a disposable syringe convenient to operate comprises an outer barrel, a piston rod and a needle cover, wherein the outer barrel and the piston rod are sleeved with each other, the insertion end of the piston rod is connected with a sealing gasket, the tail end of the piston rod is connected with a push plate, and a placing seat is arranged at one end, located at a needle point, of the needle cover;

a puncture channel is formed in the piston rod and the push plate in a run-through mode, a puncture rod is inserted in the puncture channel, the insertion end of the puncture rod is a tip end, the tail end of the puncture rod is hinged with a pressing rod, and the puncture rod can be fixed to the top surface of the push plate after being turned over;

the length of puncture rod is less than puncture channel's length, puncture rod and press the total length of pole to be greater than puncture channel's length.

Further, the placing seat adopts a rubber sucker; the edge of the placing seat is provided with a pulling piece, and the top surface of the pulling piece is vertically connected with a hard pulling strip.

Furthermore, the top surface of the push plate is provided with an accommodating cavity, the shape and the size of the accommodating cavity are matched with the outer wall of the pressing rod, and the pressing rod can be clamped into the accommodating cavity after being turned over; the top surface of the containing cavity is provided with easy tearing strips at intervals for packaging the pressing rod.

Furthermore, the sealing gasket is provided with a puncture area covering the end face of the puncture channel, and the thickness of the puncture area is smaller than that of the main body of the sealing gasket. The puncture channel is arranged at the central positions of the piston rod and the push plate, and the puncture area is arranged at the central position of the sealing gasket.

Furthermore, a plurality of guide grooves are formed in the circumferential direction of the inner side wall of the outer cylinder, the guide grooves vertically penetrate through the outer cylinder, a plurality of sealing lugs are arranged on the edge of the sealing gasket, and each sealing lug is in sliding fit with each guide groove.

The utility model discloses beneficial effect who has:

1. the needle cover bottom sets up places the seat, takes off the needle lid after, puts the needle lid through placing the seat immediately, directly holds the syringe after the injection is accomplished and vertically inserts the needle head in the needle lid, only with one-hand operation, need not hold the needle lid with another hand, has avoided stabbing and infection.

2. A puncture channel is arranged in the piston rod in a run-through mode, the pressing rod is fixed after being folded and folded perpendicular to the puncture rod, when the piston rod is pushed to inject, the puncture rod cannot be pushed even if the pressing rod is stressed, after the injection is finished, the pressing rod is pushed after being erected, the puncture rod can be inserted into the sealing pad, the outer barrel is communicated with the outside, the structure of the injector is damaged, and the injector is prevented from being used repeatedly; the pressing rod is erected before the needle cover is covered, the needle cover can be covered and the injector can be destroyed by pushing the pressing rod, and the device is efficient and convenient.

3. The pressing rod is clamped into the containing cavity on the top surface of the push plate, the easy-tearing tape is pasted for packaging, the syringe which is not wasted is accommodated in the containing cavity, and the phenomenon that the pressing rod is carelessly erected to cause the puncture rod to push and puncture the rubber pad by mistake is avoided.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the needle cover.

Fig. 3 is a schematic structural view of the piston rod after the outer cylinder is hidden.

Fig. 4 is a schematic structural view of the puncture rod and the pressing rod.

Reference numerals: the method comprises the following steps of 1-an outer cylinder, 10-a guide groove, 2-a piston rod, 3-a push plate, 30-a containing cavity, 31-an easy-tear tape, 4-a needle cover, 5-a placing seat, 50-a pull sheet, 6-a sealing pad, 60-a sealing bump, 61-a puncture area, 7-a puncture rod and 8-a pressing rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. 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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may for example be 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.

Examples

As shown in fig. 1 to fig. 3, the present embodiment provides a disposable syringe convenient to operate, including an outer barrel 1, a piston rod 2, and a needle cover 4, where an insertion end of the piston rod 2 is connected to a sealing pad 6, a tail end of the piston rod is connected to a push plate 3, and a placing seat 5 is disposed at one end of the needle cover 4 located at a needle point;

a puncture channel is formed in the piston rod 2 and the push plate 3 in a through mode, a puncture rod 7 is inserted into the puncture channel, the insertion end of the puncture rod 7 is a tip end, the tail end of the puncture rod is hinged with a pressing rod 8, and the pressing rod 8 is fixed to the top surface of the push plate 3 after being folded;

the length of the puncture rod 7 is smaller than that of the puncture channel, and the total length of the puncture rod 7 and the pressing rod 8 is larger than that of the puncture channel.

The specific implementation process and principle are as follows:

the edge of the pressing rod 8 is connected with the edge of the puncture rod 7 through soft rubber, the pressing rod 8 is folded and then is perpendicular to the puncture rod 7, and when the piston rod 2 is pushed to inject, the puncture rod 7 cannot be pushed even if the pressing rod 8 is stressed; after the injection is finished, the pressing rod 8 is pulled vertically, so that the end face of the joint of the pressing rod 8 and the puncture rod 7 is attached, the puncture rod 7 can move downwards by pushing the pressing rod 8, the sealing pad 6 is inserted at the tip end of the puncture rod 7, a cavity below the sealing pad 6 is communicated with the outside through a puncture channel, and the injector cannot be used any more.

When in injection, the needle cover 4 is taken down, the placing seat 5 with an upward opening faces downwards, and the needle cover is placed on a certain plane; after the injection is finished, the pressing rod 8 is firstly turned over and erected, then the syringe is directly held, the needle head is vertically inserted into the needle cover 4, the pressing rod 8 is continuously pushed downwards with force, the sealing gasket 6 can be punctured, and the syringe is destroyed. The injector can be destroyed by only one hand operation without holding the needle cover 4 by the other hand, thereby avoiding puncture and infection, and the injector can be destroyed when the needle cover 4 is closed, which is efficient and convenient.

Further, as shown in fig. 2, in order to make the needle cover 4 more stably placed, the placing seat 5 is made of a rubber suction cup, and after the needle cover 4 is taken down during injection, the placing seat 5 is placed at a certain position and slightly pressed down, and the rubber suction cup can be attached and fixed. The needle cover 4 is small and light, the required placing area is small, and the rubber sucker is not easy to topple after being stably sucked.

Furthermore, after the needle head of the injector is inserted into the needle cover 4, the injector is integrally taken down for waste treatment, in order to facilitate taking down the rubber sucker, a pulling piece 50 is arranged at the edge of the placing seat 5, and a hard pulling strip is vertically connected to the top surface of the pulling piece 50. The pulling piece 50 is lifted up through the hard pulling strip, a certain gap is formed between the edge of the rubber suction cup and the placing surface, and the placing seat 50 can be easily taken down after air enters from the gap.

Further, as shown in fig. 3, a placing manner of the pressing rod 8 is provided, an accommodating cavity 30 is formed in the top surface of the push plate 3, the shape and size of the accommodating cavity 30 are matched with the outer wall of the pressing rod 8, and the pressing rod 8 is folded and then clamped into the accommodating cavity 30; easy-tearing tapes 31 are arranged on the top surface of the accommodating cavity 30 at intervals and used for packaging the pressing rod 8. The pressing rod 8 is folded perpendicular to the puncture rod 7 and then clamped into the accommodating cavity 30 on the top surface of the push plate 3, the easy-tearing strip 31 is attached, and the tail end of the pressing rod 8 is also provided with a disc. During destroying operation, a disc at the tail end is pinched by fingers to lift and straighten the pressing rod 8, and the pressing rod 8 is attached and connected to the top surface of the puncture rod 7; the injector which is not used is accommodated in the accommodating cavity 30 by the pressing rod 8, the top surface is lower than the top surface of the push plate, and when the push plate 3 is pushed to perform injection operation, the puncture rod 7 cannot be mistakenly moved downwards to puncture the rubber pad 6.

Further, as shown in fig. 4, the sealing gasket 6 is provided with a puncture region 61 covering the end surface of the puncture channel, and the thickness of the puncture region 61 is smaller than the thickness of the main body of the sealing gasket 6. The puncture channel is arranged at the central positions of the piston rod 2 and the push plate 3, and the puncture area 61 is arranged at the central position of the sealing gasket 6. A weak puncture area 61 is arranged in the center of the sealing gasket 6, so that the puncture rod 7 can puncture the sealing gasket 6, and the syringe can be destroyed and punctured; the puncture channel is arranged in the center, which is beneficial to maintaining the strength of the piston rod 2.

Further, a plurality of guide grooves 10 are formed in the circumferential direction of the inner side wall of the outer cylinder 1, the guide grooves 10 vertically penetrate through the outer cylinder 1, a plurality of sealing lugs 60 are arranged at the edge of the sealing gasket 6, and each sealing lug 60 is in sliding fit with each guide groove 10. The edge of the sealing gasket 6 is matched with the inner wall of the outer cylinder 1 in a guiding way, so that liquid leakage caused by the deviation of the piston rod 2 during pushing can be avoided.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. A disposable syringe convenient to operate comprises an outer barrel (1), a piston rod (2) and a needle cover (4), wherein the outer barrel and the piston rod are sleeved with each other, the insertion end of the piston rod (2) is connected with a sealing gasket (6), and the tail end of the piston rod is connected with a push plate (3), and the disposable syringe is characterized in that a placing seat (5) is arranged at one end, located at a needle point, of the needle cover (4);

a puncture channel is formed in the piston rod (2) and the push plate (3) in a run-through mode, a puncture rod (7) is inserted into the puncture channel, the insertion end of the puncture rod (7) is a tip end, the tail end of the puncture rod is hinged with a pressing rod (8), and the puncture rod (7) can be fixed to the top surface of the push plate (3) after being turned over;

the length of the puncture rod (7) is smaller than that of the puncture channel, and the total length of the puncture rod (7) and the pressing rod (8) is larger than that of the puncture channel.

2. Disposable syringe according to claim 1, characterised in that the holder (5) is a rubber suction cup.

3. The disposable syringe for the operation convenience according to claim 2, characterized in that a pulling sheet (50) is arranged at the edge of the placing seat (5), and a hard pulling strip is vertically connected to the top surface of the pulling sheet (50).

4. The disposable syringe convenient to operate according to claim 1, wherein the top surface of the push plate (3) is provided with an accommodating cavity (30), the shape and size of the accommodating cavity (30) are matched with the outer wall of the pressing rod (8), and the pressing rod (8) can be clamped into the accommodating cavity (30) after being turned over.

5. Disposable syringe according to claim 4, characterised in that the top surface of the housing (30) is provided with tear-off strips (31) at intervals for enclosing the pressing rod (8).

6. Disposable syringe according to claim 1, characterised in that the sealing gasket (6) is provided with a puncture area (61) covering the end face of the puncture channel, the thickness of the puncture area (61) being smaller than the thickness of the body of the sealing gasket (6).

7. Disposable syringe according to claim 6, characterised in that the piercing channel is arranged in the centre of the piston rod (2) and the push plate (3), and the piercing area (61) is arranged in the centre of the sealing gasket (6).

8. The disposable syringe for the operation convenience according to claim 1, wherein a plurality of guide grooves (10) are circumferentially formed on the inner side wall of the outer cylinder (1), the guide grooves (10) vertically penetrate through the outer cylinder (1), a plurality of sealing protrusions (60) are formed on the edge of the sealing gasket (6), and each sealing protrusion (60) is in sliding fit with each guide groove (10).