CN211410497U - Effectively prevent cross infection's syringe - Google Patents

Abstract

The utility model relates to the technical field of syringes, in particular to a syringe capable of effectively preventing cross infection, which comprises a syringe, wherein a protection mechanism is arranged on the syringe; the injector comprises a needle cylinder, the front end of the needle cylinder is provided with a nipple, and the needle cylinder and the nipple are of an integrally formed structure; the syringe capable of effectively preventing cross infection is provided with the telescopic assembly and the fixing assembly through the protection machine, so that the syringe is convenient to mount on injection, a closed environment is formed for the inner wall of the syringe and the piston of the syringe, and cross infection of medical workers to the piston and the like can be effectively avoided in the operation process; the setting of flexible subassembly is convenient for medical personnel and is stretched and extrude the piston shaft simultaneously, is convenient for inject the patient and absorb the liquid medicine, and the fixed subassembly that is equipped with is convenient for fix flexible subassembly on the syringe, and easy dismounting has solved the syringe and has easily received cross infection's problem when using.

Description

Effectively prevent cross infection's syringe

Technical Field

The utility model relates to the technical field of syringes, in particular to a syringe capable of effectively preventing cross infection.

Background

Medical syringes used by medical staff in daily life are often polluted in the use process; when the medical staff carelessly touches the exposed part or the exposed part of the syringe plug in the operation process, the syringe plug is easy to be infected with bacteria when the syringe plug is repeatedly pushed and pulled, and the bacteria continuously pollute the inner wall of the syringe tube, thereby possibly polluting the injection; in particular, the possibility of pollution is higher in the process of preparing large-dose liquid medicine (such as penicillin injection liquid);

in order to avoid pollution, medical staff have to carefully operate to avoid touching the exposed part of the syringe plug by fingers and the like, so that inconvenience is brought to the treatment of the medical staff, the labor burden of the medical staff is increased, and the optimal rescue time of a patient is easily delayed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an effectively prevent cross infection's syringe to the syringe that provides among the above-mentioned background art is easy to receive cross infection's problem when using.

In order to achieve the above object, the utility model provides a following technical scheme:

an injector capable of effectively preventing cross infection comprises an injector, wherein a protection mechanism is arranged on the injector; the injector comprises a needle cylinder, the front end of the needle cylinder is provided with a nipple, the needle cylinder and the nipple are of an integrally formed structure and are communicated, a limiting piece is arranged at the position, close to the rear end, of the outer circumferential wall of the needle cylinder, a piston shaft is arranged in the needle cylinder, a piston is embedded at the front end of the piston shaft and is in sliding connection with the inner wall of the needle cylinder, and a piston handle is coaxially arranged at the rear end of the piston; the protection mechanism comprises a telescopic assembly and a fixed assembly on the front side of the telescopic assembly, the telescopic assembly is sequentially provided with a fixed plate, a telescopic pipe, a connecting pipe and a hollow convex block from front to back, the fixed plate is positioned on the rear side of the limiting plate and is attached to the limiting plate, a shaft hole is formed in the fixed plate, the convex block and the connecting pipe are of an integrally formed structure, the piston shaft sequentially penetrates through the shaft hole, the telescopic pipe and the connecting pipe, the piston handle is positioned in the convex block, and the telescopic pipe comprises a plurality of linear creases which are distributed at equal intervals and sequentially connected end to end; the fixed subassembly includes the fixed cover of sleeve pipe and sleeve pipe rear side, the sleeve pipe with fixed cover is the integrated into one piece structure, the sleeve pipe cover is located on the cylinder, set up flutedly on the trailing flank of fixed cover, set up the cavity in the fixed cover, just the sleeve pipe the cavity with the recess is linked together in proper order, fixed cover is located on the spacing piece.

Preferably, the sleeve and the fixed sleeve are both made of rubber materials.

Preferably, the size of the cavity is matched with that of the limiting sheet, and the size of the groove is smaller than that of the limiting sheet.

Preferably, the size of the piston shank is adapted to the size of the inner cavity of the projection.

Preferably, the connecting pipe and the lug are both made of rubber materials.

Preferably, the size of the fixing piece is the same as that of the limiting piece.

Compared with the prior art, the beneficial effects of the utility model are that: the syringe capable of effectively preventing cross infection is convenient to install on injection through the protection machine, namely the telescopic assembly and the fixing assembly are arranged, a closed environment is formed for the inner wall of the syringe and the piston of the syringe, and cross infection of medical workers to the piston and the like can be effectively avoided in the operation process; the setting of flexible subassembly is convenient for medical personnel and is stretched and extrude the piston shaft simultaneously, is convenient for inject the patient and absorb the liquid medicine, and the fixed subassembly that is equipped with is convenient for fix flexible subassembly on the syringe, and easy dismounting has solved the syringe and has easily received cross infection's problem when using.

Drawings

Fig. 1 is a schematic diagram of the overall explosion structure of the present invention;

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

fig. 3 is a schematic diagram of an explosive structure of the injector of the present invention;

fig. 4 is a schematic structural view of the protection mechanism of the present invention;

fig. 5 is an exploded view of the telescopic assembly of the present invention;

fig. 6 is a schematic structural view of the middle fixing assembly of the present invention.

In the figure: 1. an injector; 11. a needle cylinder; 12. a nipple; 13. a limiting sheet; 14. a piston shaft; 15. a piston; 16. a piston handle; 2. a protection mechanism; 21. a telescoping assembly; 211. a fixing sheet; 2111. a shaft hole; 212. a telescopic pipe; 2121. folding; 213. a connecting pipe; 214. a bump; 22. a fixing assembly; 221. a sleeve; 222. fixing a sleeve; 2221. a groove; 2222. a cavity.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

An effective cross-infection prevention syringe, as shown in figure 3, comprises a syringe 1. Specifically, syringe 1 includes cylinder 11, the front end of cylinder 11 is equipped with nipple 12, cylinder 11 and nipple 12 are the integrated into one piece structure, and cylinder 11 and nipple 12 are linked together, the circumference outer wall of cylinder 11 is close to rear end department and is equipped with spacing piece 13, and spacing piece 13 closely bonds with the circumference outer wall of cylinder 11, be equipped with piston shaft 14 in the cylinder 11, piston shaft 14's front end inlays and is equipped with piston 15, and piston 15 and cylinder 11's inner wall sliding connection, piston 15's the coaxial piston handle 16 that is equipped with in rear end, and piston handle 16 closely bonds with piston 15's the coaxial rear end.

Referring to fig. 1, 2, 4, 5 and 6, a guard mechanism 2 is provided on the syringe 1. Specifically, the protection mechanism 2 includes a telescopic assembly 21 and a fixing assembly 22 on the front side of the telescopic assembly 21, the telescopic assembly 21 is sequentially provided with a fixing plate 211 from front to back, a telescopic tube 212, a connecting tube 213 and a hollow convex block 214, the fixing plate 211 is tightly bonded with the front end of the telescopic tube 212, the connecting tube 213 is tightly bonded with the rear end of the telescopic tube 212, the fixing plate 211 is located on the rear side of the limiting plate 13 and is attached to the limiting plate 13, a shaft hole 2111 is formed in the fixing plate 211, the convex block 214 and the connecting tube 213 are of an integrally formed structure, the piston shaft 14 sequentially penetrates through the shaft hole 2111, the telescopic tube 212 and the connecting tube 213, the piston handle 16 is located in the convex block 214, and the telescopic tube 212 includes a plurality of linear creases 2121 which are distributed. The fixing component 22 includes a sleeve 221 and a fixing sleeve 222 at the rear side of the sleeve 221, the sleeve 221 and the fixing sleeve 222 are of an integrated structure, the sleeve 221 is sleeved on the needle cylinder 11, a groove 2221 is formed on the rear side surface of the fixing sleeve 222, a cavity 2222 is formed in the fixing sleeve 222, the sleeve 221, the cavity 2222 and the groove 2221 are sequentially communicated, and the fixing sleeve 222 is sleeved on the limiting piece 13.

In this embodiment, the sleeve 221 and the fixing sleeve 222 are made of transparent rubber, the transparent rubber is convenient for observing the condition inside the syringe 11, on one hand, the rubber increases the friction force between the sleeve 221 and the syringe 11, and the fixing is firm, on the other hand, the fixing sleeve 222 has certain elasticity, so that the limiting piece 13 is conveniently extruded into the cavity 2222 from the groove 2221, and further, the fixing sleeve 222 is conveniently fixed on the syringe 11.

In this embodiment, the size of the cavity 2222 is matched with the size of the position-limiting piece 13, the size of the groove 2221 is smaller than the size of the position-limiting piece 13, the cavity 2222 is convenient for fixing the position-limiting piece 13, and the groove 2221 plays a role in limiting the position of the position-limiting piece 13, so that the position-limiting piece 13 is prevented from being separated from the cavity 2222.

In this embodiment, the size of the piston shaft 16 is matched with the size of the inner cavity of the protrusion 214, which facilitates the piston shaft 16 to be fixed in the inner cavity of the protrusion 214, thereby limiting the piston shaft 14 and facilitating the user to push and pull the piston shaft 14.

Furthermore, the connecting tube 213 and the protrusion 214 are made of rubber, and the rubber has certain elasticity, so that when the piston rod 16 moves towards the protrusion 214, the connecting tube 213 and the protrusion 214 can deform and the piston rod 16 can be conveniently extruded into the inner cavity of the protrusion 214.

In addition, the size of the fixing piece 211 is the same as that of the limiting piece 13, the fixing piece 211 is attached to the limiting piece 13, and when the fixing sleeve 222 is sleeved on the limiting piece 13, the fixing effect on the fixing piece 211 is achieved.

It should be noted that the plurality of folds 2121 in this embodiment are sequentially and tightly bonded end to form the telescopic tube 212, and the telescopic tube 212 has a telescopic characteristic, so that when the piston shaft 14 is pushed and pulled, the telescopic tube 212 performs telescopic movement and meets the requirement of the movement of the piston shaft 14.

Before the syringe of this embodiment is used, a user first passes the piston shaft 16 and the piston shaft 14 through the shaft hole 2111, the telescopic tube 212 and the connecting tube 213, at the same time, the user presses the piston handle 16 from the connection tube 213 into the projection 214, the projection 214 and the connection tube 213 are deformed, meanwhile, the piston handle 16 is extruded into the projection 214, at this time, the user attaches the fixing piece 211 to the position-limiting piece 13, then the user inserts the groove 2221 on the fixing sleeve 222 from one side of the nipple 12 of the injector 1, the syringe 11 sequentially passes through the groove 2221, the cavity 2222 and the sleeve 221, then the user extrudes the position-limiting piece 13 into the cavity 2222, the fixing sleeve 222 deforms, and the position-limiting piece 13 can be extruded into the fixing sleeve 222, meanwhile, the cavity 2222 wraps the limiting sheet 13 and the fixing sheet 211, and the telescopic assembly 21 and the fixing assembly 22 are fixed on the injector 1;

in the syringe effective in preventing cross-infection according to the present embodiment, when the user pushes or pulls the plunger shaft 14, the extension tube 212 extends and contracts in accordance with the movement of the plunger shaft 14, and the user's hand or the like does not contact the inside of the syringe 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An injector effective against cross-infection, comprising an injector (1), characterized in that: the syringe (1) is provided with a protection mechanism (2); the injector (1) comprises a needle cylinder (11), the front end of the needle cylinder (11) is provided with a nipple (12), the needle cylinder (11) and the nipple (12) are of an integrally formed structure, the needle cylinder (11) is communicated with the nipple (12), a limiting piece (13) is arranged at the position, close to the rear end, of the circumferential outer wall of the needle cylinder (11), a piston shaft (14) is arranged in the needle cylinder (11), a piston (15) is embedded at the front end of the piston shaft (14), the piston (15) is connected with the inner wall of the needle cylinder (11) in a sliding mode, and a piston handle (16) is coaxially arranged at the rear end of the piston (15); the protection mechanism (2) comprises a telescopic component (21) and a fixed component (22) on the front side of the telescopic component (21), the telescopic component (21) is sequentially provided with a fixing plate (211), a telescopic pipe (212), a connecting pipe (213) and a hollow convex block (214) from front to back, the fixing plate (211) is located on the rear side of the limiting plate (13) and is attached to the limiting plate (13), a shaft hole (2111) is formed in the fixing plate (211), the convex block (214) and the connecting pipe (213) are of an integrally formed structure, the piston shaft (14) sequentially penetrates through the shaft hole (2111), the telescopic pipe (212) and the connecting pipe (213), the piston handle (16) is located in the convex block (214), and the telescopic pipe (212) comprises a plurality of linear equidistant-distributed creases (2121) which are sequentially connected end to end; fixed subassembly (22) include fixed cover (222) of sleeve pipe (221) and sleeve pipe (221) rear side, sleeve pipe (221) with fixed cover (222) are the integrated into one piece structure, sleeve pipe (221) cover is located on cylinder (11), set up fluted (2221) on the trailing flank of fixed cover (222), set up cavity (2222) in fixed cover (222), just sleeve pipe (221), cavity (2222) with recess (2221) are linked together in proper order, fixed cover (222) cover is located on spacing piece (13).

2. An effective cross-infection prevention syringe as claimed in claim 1, wherein: the sleeve (221) and the fixed sleeve (222) are both made of transparent rubber materials.

3. An effective cross-infection prevention syringe as claimed in claim 1, wherein: the size of the cavity (2222) is matched with that of the limiting sheet (13), and the size of the groove (2221) is smaller than that of the limiting sheet (13).

4. An effective cross-infection prevention syringe as claimed in claim 1, wherein: the size of the piston handle (16) is matched with the size of the inner cavity of the lug (214).

5. An effective cross-infection prevention syringe as claimed in claim 1, wherein: the connecting pipe (213) and the lug (214) are both made of rubber materials.

6. An effective cross-infection prevention syringe as claimed in claim 1, wherein: the size of the fixing piece (211) is the same as that of the limiting piece (13).

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