CN214970359U

CN214970359U - Pre-filling and sealing injector with scales

Info

Publication number: CN214970359U
Application number: CN202022835829.7U
Authority: CN
Inventors: 廖先强; 何冰冰
Original assignee: Hubei Chutian Medical Devices Co ltd
Current assignee: Hubei Chutian Medical Devices Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-12-03
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to the technical field of syringes, specifically speaking relates to a take embedment syringe in advance of scale. It includes the syringe, the inside of syringe is equipped with the injection pole, the one end of syringe is equipped with out the liquid device, the position that the bottom of syringe is close to one end is equipped with the sleeve, the syringe includes the injection tube, the middle part symmetry that the surface of injection tube is close to one side is equipped with handheld pole, the surface of injection tube is equipped with a plurality of scale marks, the one end of injection tube has been seted up out the liquid hole near middle position, the injection pole includes the circular body of rod, the one end of the circular body of rod is equipped with the handle, the other end of the circular body of rod is equipped with the piston, the inner wall sliding connection of piston and injection tube, it includes the drain pipe to go out the liquid device, the one end and the drain hole fixed connection of drain pipe. The utility model relates to a volume of going out liquid can accurately be observed through the scale mark that sets up on the injection tube, and the sleeve can protect the injection head effectively not receive the infection of external dust impurity.

Description

Pre-filling and sealing injector with scales

Technical Field

The utility model relates to the technical field of syringes, specifically speaking relates to a take embedment syringe in advance of scale.

Background

The pre-filled syringe is mainly used for packaging and storing high-grade medicines and is directly used for injection or for washing operations of ophthalmology, otology, orthopedics and the like, products are divided into two types with injection needles and without injection needles, the traditional pre-filled syringe does not have scale marks generally, the infusion amount is difficult to control, and most of the traditional pre-filled syringes are used for clamping the injection needles on the injection tubes, so that the risk of slippage exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take embedment syringe in advance of scale to solve the problem that proposes among the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides a take embedment syringe in advance of scale, which comprises an injector, the inside of syringe is equipped with the injection pole, the one end of syringe is equipped with out the liquid device, the position that the bottom of syringe is close to one end is equipped with the sleeve, the syringe includes the injection tube, the middle part symmetry that the surface of injection tube is close to one side is equipped with handheld pole, the surface of injection tube is equipped with a plurality of scale marks, the one end of injection tube is close to middle position and has seted up out the liquid hole, the injection pole includes the circular body of rod, the one end of the circular body of rod is equipped with the handle, the other end of the circular body of rod is equipped with the piston, the inner wall sliding connection of piston and injection tube, it includes the drain pipe to go out the liquid device, the one end and the liquid hole fixed connection of drain pipe.

As a further improvement of the technical scheme, the handheld rod prefilled syringe comprises a rectangular rod body, and a finger groove is formed in the middle of the rectangular rod body.

As a further improvement of the technical scheme, protective foam is arranged inside the finger groove.

As a further improvement of the technical proposal, the surface of the injection cylinder is provided with a plurality of transparent fluorescent bands.

As a further improvement of the technical scheme, one end of the liquid outlet pipe is provided with a syringe needle fixing cylinder, and one end of the fixing cylinder is fixedly connected with a syringe needle.

As a further improvement of the technical scheme, an external thread is arranged at a position, close to one end, of the surface of the liquid outlet pipe, a thread groove is formed in the inner wall of the fixed cylinder, and the external thread is in threaded connection with the thread groove.

As a further improvement of the technical scheme, the sleeve comprises a cylinder body, a connecting rope is arranged on the surface of the cylinder body close to the top end, and one end of the connecting rope is fixedly connected with the injection cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the prefilled syringe with scales, the volume of the liquid can be accurately observed through the scale marks arranged on the syringe.

2. In the pre-filled syringe with scales, the sleeve can effectively protect the injection head from being infected by external dust and impurities.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of the syringe barrel of embodiment 1;

FIG. 3 is an exploded view of a hand-held lever structure according to embodiment 1;

FIG. 4 is a schematic diagram of the structure of an injection stem of example 1;

FIG. 5 is a schematic view of the liquid outlet device in embodiment 1;

fig. 6 is a schematic structural view of the sleeve of embodiment 1.

The various reference numbers in the figures mean:

100. an injector;

110. an injection tube; 120. a hand-held wand; 121. a rectangular rod body; 122. a finger groove; 123. protecting the foam; 130. a transparent fluorescent band; 140. scale lines; 150. a liquid outlet hole;

200. an injection rod;

210. a circular rod body; 220. a handle; 230. a piston;

300. a liquid outlet device;

310. a fixed cylinder; 311. a thread groove; 312. an injection needle; 320. a liquid outlet pipe; 321. an external thread;

400. a sleeve;

410. a barrel; 420. and connecting ropes.

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.

Example 1

Referring to fig. 1 to 6, the embodiment provides a prefilled syringe with scales, including a syringe 100, an injection rod 200 is disposed inside the syringe 100, a liquid outlet device 300 is disposed at one end of the syringe 100, from which a liquid medicine is discharged, a sleeve 400 is disposed at a position near one end of the bottom of the syringe 100 for protecting a needle 312 from being contaminated by dust and impurities, the syringe 100 includes a syringe barrel 110, a handheld rod 120 is symmetrically disposed at a middle portion of a surface of the syringe barrel 110 near one side, a plurality of scale lines 140 are disposed on the surface of the syringe barrel 110, so that the amount of the liquid medicine can be accurately observed, a liquid outlet hole 150 is disposed at a position near the middle of one end of the syringe barrel 110, the injection rod 200 includes a circular rod body 210, a handle 220 is disposed at one end of the circular rod body 210, the handle 220 is pressed to drive the injection rod 200 to move, a piston 230 is disposed at the other end of the circular rod body 210, the piston 230 is slidably connected to an inner wall of the syringe barrel 110, the liquid outlet device 300 comprises a liquid outlet pipe 320, and one end of the liquid outlet pipe 320 is fixedly connected with the liquid outlet hole 150.

In this embodiment, the handheld lever 120 includes a rectangular lever body 121, and a finger slot 122 is formed in the middle of the rectangular lever body 121.

Specifically, the finger slot 122 is provided with a protective foam 123 therein to protect the user's fingers from being injured by the hand-held wand.

Further, the surface of the syringe barrel 110 is provided with a plurality of transparent fluorescent bands 130, which facilitates the observation of graduation marks to prevent the infusion amount from being wrong.

In addition, one end of the liquid outlet tube 320 is provided with a needle fixing cylinder 310 for fixing the needle 312, and one end of the fixing cylinder 310 is fixedly connected with the needle 312 for taking and infusing the liquid.

In addition, the surface of the liquid outlet pipe 320 is provided with an external thread 321 near one end, the inner wall of the fixed cylinder 310 is provided with a thread groove 311, the external thread 321 is in threaded connection with the thread groove 311, the overall firmness is increased, and the injection needle 312 is not easy to slip.

Still further, sleeve 400 includes barrel 410, and barrel 410 has a connecting cord 420, preferably an elastic plastic cord, disposed on a surface thereof near the top end, and one end of connecting cord 420 is fixedly connected to syringe barrel 110.

The pre-filled and sealed syringe of taking scale of this embodiment is when specifically using, earlier with the external screw thread 321 of drain pipe 320 one end and the thread groove 311 threaded connection of a fixed cylinder 310 inner wall, insert syringe needle 312 in the medicine bottle, the finger is put on finger groove 122, the pulling injection pole 200 makes injection pole 200 drive piston 230 be the piston motion, inhale liquid, insert the bottle that needs to deposit syringe needle 312, press the handle, make liquid get into the bottle that needs to deposit, at last, take off syringe needle 312, sheathe sleeve 400 in.

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

1. The utility model provides a take embedment syringe in advance of scale, includes syringe (100), its characterized in that: an injection rod (200) is arranged inside the injector (100), a liquid outlet device (300) is arranged at one end of the injector (100), a sleeve (400) is arranged at a position, close to one end, of the bottom of the injector (100), the injector (100) comprises an injection tube (110), handheld rods (120) are symmetrically arranged at the middle part, close to one side, of the surface of the injection tube (110), a plurality of scale marks (140) are arranged on the surface of the injection tube (110), a liquid outlet hole (150) is formed in a position, close to the middle, of one end of the injection tube (110), the injection rod (200) comprises a circular rod body (210), a handle (220) is arranged at one end of the circular rod body (210), a piston (230) is arranged at the other end of the circular rod body (210), the piston (230) is connected with the inner wall of the injection tube (110) in a sliding manner, and the liquid outlet device (300) comprises a liquid outlet pipe (320), one end of the liquid outlet pipe (320) is fixedly connected with the liquid outlet hole (150).

2. The scaled, pre-filled and sealed syringe of claim 1, wherein: the handheld rod (120) comprises a rectangular rod body (121), and a finger groove (122) is formed in the middle of the rectangular rod body (121).

3. The scaled, pre-filled and sealed syringe of claim 2, wherein: and protective foam (123) is arranged inside the finger groove (122).

4. The scaled, pre-filled and sealed syringe of claim 1, wherein: the surface of the injection cylinder (110) is provided with a plurality of transparent fluorescent bands (130).

5. The scaled, pre-filled and sealed syringe of claim 1, wherein: one end of drain pipe (320) is equipped with the fixed section of thick bamboo of syringe needle (310), the one end fixedly connected with syringe needle (312) of fixed section of thick bamboo (310).

6. The scaled, pre-filled and sealed syringe of claim 5, wherein: the surface of drain pipe (320) is close to the position of one end and is equipped with external screw thread (321), thread groove (311) have been seted up to the inner wall of fixed section of thick bamboo (310), external screw thread (321) and thread groove (311) threaded connection.

7. The scaled, pre-filled and sealed syringe of claim 1, wherein: the sleeve (400) comprises a cylinder body (410), a connecting rope (420) is arranged on the surface of the cylinder body (410) close to the top end, and one end of the connecting rope (420) is fixedly connected with the injection cylinder (110).