CN219127748U - Syringe with needle convenient to recycle - Google Patents

Abstract

The utility model relates to the technical field of medical appliances, in particular to an injector with a needle convenient to recycle, which comprises a base and an injector, wherein the injector comprises the needle, an injection tube and a piston rod, the piston rod comprises a push rod and a rubber plug, and the rubber plug is positioned in the injection tube.

Description

Syringe with needle convenient to recycle

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an injector with a needle convenient to recycle.

Background

Hospitals are considered hazardous environments due to the occurrence of more work-related injuries, and hospital workers may be exposed to biological, chemical, and physical factors that can cause occupational disease; in general, most frequently, hospital workers may suffer diseases due to the contact of mucous membranes or wounds with contaminated blood of patients or the puncture of mucous membranes or wounds by syringe needles or various sharp instruments used by patients, for example, if medical staff operate improperly during the process of removing and returning syringe caps, needle pricking may occur to the medical staff, the cap returning requires one-hand operation, the cap is generally in a flat state after being removed, the cap is not easy to be lifted by one hand, the needle pricking is easy to be caused by two-hand returning, and damage such as disease transmission may be caused, and the medical staff may be injured by both the removal and returning of the syringe caps.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a syringe with a needle convenient to recycle.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model relates to an injector with a needle convenient to recycle, which comprises a base and an injector, wherein the injector comprises a needle, an injection tube and a piston rod, the piston rod comprises a push rod and a rubber plug, the rubber plug is positioned in the injection tube, the side of the rubber plug is attached to the inner wall of the injection tube, a connecting pipe is arranged at the bottom of the needle, a liquid outlet pipe is arranged at the top of the injection tube and communicated with the injection tube, the liquid outlet pipe and the injection tube are of an integrated structure, the connecting pipe is connected with the liquid outlet pipe through threads, a connecting groove is formed in the base, a needle cap is installed in the connecting groove through threads, an opening is formed in the top of the needle cap, an annular groove is formed in the inner side of the top end of the needle cap, a slot is formed in the annular groove, a clamping rod is arranged on the outer side of the liquid outlet pipe, and the clamping rod is matched with the slot and the annular groove.

Furthermore, the utility model is improved in that the size of the needle cap is matched with the length of the needle head, and the bottom of the needle cap is embedded with a rubber plug.

Furthermore, the improvement of the utility model is that the side of the base is provided with the mounting rod, the mounting rod is connected with the sealing cap through threads, the sealing cap is matched with the opening end of the needle cap, and the sealing cap is connected with the needle cap through threads.

Furthermore, the utility model is improved in that the bottom of the base is provided with the adhesive tape, and the bottom of the adhesive tape is adhered with the anti-adhesive film.

Furthermore, the utility model is improved in that the bottom of the injection tube and the top of the rubber plug are both in conical structures, the liquid outlet tube is positioned at the center of the bottom of the injection tube, and the structure of the rubber plug is matched with the bottom of the injection tube.

Furthermore, the utility model is improved in that the bottom of the rubber plug is provided with a convex strip which is matched with the liquid outlet pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides the syringe with the needle convenient to recycle, which has the following beneficial effects:

when the needle cap is removed, the base is assisted to avoid that the needle is too close to the needle to be pricked by mistake in the process of removing the needle cap, the base is stably placed when the needle is recovered, the needle is vertically inserted into the needle cap to separate the needle from the injection tube, hands are not placed in places where the tips of the needle are easy to prick in the process, then the opening of the needle cap is sealed, the needle cap is rotated to separate the needle cap from the base, and finally the needle filled in the needle cap is placed into recovery equipment, so that the exposed discarding of the needle is avoided, and the infection or disease transmission caused by the pricking of people is easy.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of an assembled seal cap and needle cap of the present utility model;

FIG. 3 is a schematic cross-sectional view of the needle cap of the present utility model;

in the figure: 1. a base; 2. a syringe; 3. a needle cap; 4. a rubber plug; 5. a push rod; 6. a liquid outlet pipe; 7. a connecting pipe; 8. a needle; 9. a clamping rod; 10. a slot; 11. an annular groove; 12. a mounting rod; 13. a sealing cap; 14. sticking; 15. a rubber stopper; 16. a convex strip;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the injector with the needle convenient to recycle comprises a base 1 and an injector, wherein the injector comprises a needle 8, an injection tube 2 and a piston rod, the piston rod comprises a push rod 5 and a rubber plug 4, the rubber plug 4 is positioned inside the injection tube 2, the side of the rubber plug 4 is attached to the inner wall of the injection tube 2, a connecting pipe 7 is arranged at the bottom of the needle 8, a liquid outlet pipe 6 is arranged at the top of the injection tube 2, the liquid outlet pipe 6 is communicated with the injection tube 2, the liquid outlet pipe 6 and the injection tube 2 are of an integrated structure, the connecting pipe 7 is connected with the liquid outlet pipe 6 through threads, a connecting groove is formed in the base 1, a needle cap 3 is installed in the connecting groove through threads, an opening is formed in the top of the needle cap 3, an annular groove 11 is formed in the inner side of the top end of the needle cap 3, a slot 10 is formed in the annular groove 11, a clamping rod 9 is arranged on the outer side of the liquid outlet pipe 6, and the clamping rod 9 is matched with the slot 10 and the annular groove 11.

The syringe with the needle 8 convenient to recycle is characterized in that the needle 8 is arranged on a liquid outlet pipe 6 of an injection tube 2 through a connecting pipe 7 when the syringe is stored at ordinary times, the connecting pipe 7 is connected with the liquid outlet pipe 6 through threads, the needle cap 3 covers the needle 8, a clamping rod 9 on the connecting pipe 7 is inserted into a slot 10 and then rotates into an annular groove 11 to limit the needle cap 3, when the needle cap 3 is taken out, the top end of the needle cap 3 is connected with a connecting groove on a base 1 through threads, at the moment, the base 1 is held to drive the needle cap 3 to rotate, a slot 10 on the needle cap 3 is rotated to be matched with the clamping rod 9, thereby removing the needle cap 3, avoiding the need of manually holding the needle cap 3, ensuring that the distance between the needle cap 8 and the needle cap 3 is too near to be pricked by mistake when the needle cap 8 is removed, the base 1 is stably placed, the needle cap 3 is still installed on the base 1, the needle 8 is vertically inserted into the needle cap 3, the connecting pipe 7 on the needle 8 is inserted into the slot 10 through the clamping rod 9 and rotated into the annular groove 11 to limit the needle 8, the connecting pipe 7 is manually held and the injection tube 2 is rotated to separate the needle 8 from the injection tube 2, then the opening of the needle cap 3 is sealed, the needle cap 3 is rotated to separate the needle cap 3 from the base 1, and finally the needle 8 loaded into the needle cap 3 is placed into the recovery equipment.

After the needle cap 3 and the connecting pipe 7 are combined to cover the needle 8, if the length process of the needle cap 3 easily causes the tip of the needle 8 to touch the inner wall of the needle cap 3, the needle 8 easily penetrates through the needle cap 3 after the tip of the needle 8 touches the inner wall of the needle cap 3, in this embodiment, the size of the needle cap 3 is matched with the length of the needle 8, the rubber plug 15 is embedded in the bottom of the needle cap 3, the length of the needle cap 3 is set to be matched with the needle 8, and the tip of the needle 8 is inserted into the rubber plug 15 after the needle 8 is inserted into the needle cap 3 through the configured rubber plug 15, so that the tip part is wrapped, and the exposure of the needle 8 is avoided.

After the syringe needle 8 inserts needle cap 3, if the connection of syringe needle 8 and needle cap 3 is fixed insecure, syringe needle 8 still has the risk that takes place to drop, makes syringe needle 8 direct naked, in this embodiment, the avris of base 1 is equipped with installation pole 12, installation pole 12 has sealed cap 13 through threaded connection, sealed cap 13 and the open end looks adaptation of needle cap 3, just sealed cap 13 is connected with needle cap 3 through the screw thread, inserts needle cap 3 when syringe needle 8 to can unscrew sealed cap 13 by installation pole 12 after separating syringe tube 2 and pillow syringe needle 8, reuse screw structure installs the opening part at needle cap 3, seals syringe needle 8 in needle cap 3 to avoid syringe needle 8 by the risk that drops in the needle cap 3.

In order to avoid the need of manually stabilizing the base 1 or the needle cap 3 and then inserting the needle 8 into the needle cap 3 or withdrawing the needle cap 3, in this embodiment, the bottom of the base 1 is provided with the adhesive tape 14, the bottom of the adhesive tape 14 is adhered with an anti-adhesive film, and the adhesive tape is convenient to adhere and fix the base 1 by removing the anti-adhesive film on the adhesive tape 14, so that the needle 8 and the needle cap 3 are not required to be manually touched by the needle cap 3 in the separation process, and the risk of being mistakenly pricked by the needle 8 is avoided.

In order to avoid remaining liquid medicine in syringe 2, the bottom of syringe 2 and the top of plug 4 are the toper structure, drain pipe 6 is located the center department of syringe 2 bottom, just the structure of plug 4 and the bottom looks adaptation of syringe 2, the bottom of plug 4 is equipped with sand grip 16, sand grip 16 and drain pipe 6 looks adaptation because toper structure's avris is the slope structure, when extrudeing through plug 4, because the slope structure of plug 4 avris then can all direction liquid medicine to drain pipe 6 to avoid the bottom of liquid medicine syringe 2 to remain, simultaneously because the setting of sand grip 16 is released the liquid medicine in the drain pipe 6 again, because sand grip 16 has avoided the liquid medicine to remain in drain pipe 6.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a syringe that syringe needle is convenient for retrieve, its characterized in that, including base (1) and syringe, the syringe includes syringe needle (8), injection tube (2) and piston rod, the piston rod includes push rod (5) and plug (4), plug (4) are located inside injection tube (2), just the avris of plug (4) is laminated with the inner wall of injection tube (2), the bottom of syringe needle (8) is equipped with connecting pipe (7), the top of injection tube (2) is equipped with drain pipe (6), drain pipe (6) and injection tube (2) intercommunication, just drain pipe (6) are integrated into one piece with injection tube (2), connecting pipe (7) are connected with drain pipe (6) through the screw thread, be equipped with the spread groove on base (1), the spread groove is equipped with needle cap (3) through the screw thread, the top of needle cap (3) is equipped with the opening, the inboard on needle cap (3) top is equipped with ring channel (11), be equipped with slot (10) on needle cap (11), be equipped with outside card (6) and ring channel (9) are suited.

2. Syringe with needle easy to recover according to claim 1, characterized in that the size of the needle cap (3) is adapted to the length of the needle (8), and the bottom of the needle cap (3) is embedded with a rubber stopper (15).

3. Syringe with needle convenient to recycle according to claim 2, characterized in that the side of the base (1) is provided with a mounting rod (12), the mounting rod (12) is connected with a sealing cap (13) through screw thread, the sealing cap (13) is matched with the open end of the needle cap (3), and the sealing cap (13) is connected with the needle cap (3) through screw thread.

4. A syringe with a needle easy to recycle according to claim 3, characterized in that the bottom of the base (1) is provided with a glue paste (14), and the bottom of the glue paste (14) is adhered with an anti-adhesive film.

5. The syringe with the needle convenient to recycle according to claim 4, wherein the bottom of the syringe (2) and the top of the rubber plug (4) are both in conical structures, the liquid outlet pipe (6) is positioned at the center of the bottom of the syringe (2), and the structure of the rubber plug (4) is matched with the bottom of the syringe (2).

6. The syringe with the needle convenient to recycle according to claim 5, wherein the bottom of the rubber plug (4) is provided with a raised line (16), and the raised line (16) is matched with the liquid outlet pipe (6).

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