CN217091672U

CN217091672U - Double-cavity injection needle capable of exhausting

Info

Publication number: CN217091672U
Application number: CN202120716679.XU
Authority: CN
Inventors: 李小冬; 杨秋燕; 姜向文; 林媛媛; 蒙月霞
Original assignee: Guigang City People's Hospital
Current assignee: Guigang City People's Hospital
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2022-08-02
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a double-cavity injection needle capable of exhausting, which relates to the technical field of injectors, and comprises an injector body, a needle tube and a needle head, wherein one end of the needle tube is sleeved on the output end of the injector body, the other end of the needle tube is connected with the needle head, the needle head is provided with an inlet end and an outlet end, the needle head is arranged in the needle tube, the inlet end arranged on the needle head is positioned in the needle tube, the inlet end arranged on the needle head is connected with the output end of the injector body, the outlet end of the needle head is positioned outside the needle tube, the needle tube is provided with a first side hole, and the inlet end of the needle head is provided with a second side hole; the problem that the injector in the prior art needs to repeatedly exhaust and sputter to the preparation table in the process of air exhaust can be solved.

Description

Double-cavity injection needle capable of exhausting

Technical Field

The utility model belongs to the technical field of the syringe technique and specifically relates to a two-chamber syringe needle can exhaust.

Background

At ordinary times, when a medicine such as cephalosporins is prepared, a solvent needs to be injected to dissolve, positive pressure can be formed in a bottle when the solvent is injected, after a proper amount of solvent is injected, the positive pressure in the cephalosporins bottle can rebound back into an injector, and when the next bottle is prepared, repeated air exhaust is needed, so that an injector needle capable of simplifying the link is needed, and the phenomenon that the solvent is sputtered to a preparation table in the air exhaust process can be reduced.

Disclosure of Invention

An object of the utility model is to provide a two-chamber syringe needle can exhaust to solve the technical problem among the background art.

The utility model provides a two-chamber syringe needle can exhaust, including syringe body, needle tubing and syringe needle, a pot head of needle tubing is established on the output of syringe body, the other end and the syringe needle of needle tubing are connected, entrance point and exit end have been seted up on the needle tubing, the syringe needle sets up in the needle tubing, the entrance point that is equipped with on the syringe needle is located the needle tubing, just the entrance point that is equipped with on the syringe needle is connected with the output of syringe body, the exit end of syringe needle is located outside the needle tubing, first side opening has been seted up on the needle tubing, the second side opening has been seted up on the entrance of syringe needle.

Furthermore, a first side hole formed in the needle tube is located on one side of the injector body, the first side hole is located above the second side hole, and the first side hole corresponds to the second side hole.

Furthermore, the needle tube is also provided with a fixed connecting block and a closed column, one end of the fixed connecting block is fixedly arranged on the needle tube, the fixed connecting block is positioned on one side of the first side hole, the top end of the closed column is fixedly connected with the other end of the fixed connecting block, and the closed column is positioned in the first side hole and the second side hole; the fixed connecting block is used for connecting a closed column, and the closed column is used for closing or opening the first side hole and the second side hole.

Furthermore, the fixed connecting block and the closed column are made of rubber.

Furthermore, the second side hole that is equipped with on the syringe needle is located one side of syringe needle entrance point, and second side hole is located in the syringe needle, set up the division board in the syringe needle, one side that the division board is located syringe needle entrance point is semi-closed form, one side that the division board is semi-closed form corresponds with second side hole.

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

firstly, when the injection syringe is used for operation, the closed column is pulled out of the first side hole and the second side hole, the closed column can be hung on the needle tube through the fixed connecting block, then the injection operation of the syringe body is carried out, the infusion is carried out through the needle head, when the infusion is carried out, liquid enters the needle head along one side of the partition plate, when the liquid enters the infusion bottle through the needle head, the air pressure generated by the syringe body when pushing the liquid enters along the other side of the partition plate in the needle head, then the air pressure can be discharged out of the needle tube along the second side hole and the first side hole, and finally the closed column is placed into the first side hole and the second side hole, and at the moment, the closed column can close the first side hole and the second side hole; the problem that the injector in the prior art needs repeated air exhaust and exhaust processes to sputter the infusion liquid on the preparation table can be solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial structural diagram of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

Reference numerals: the syringe comprises a syringe body 1, a needle tube 2, a first side hole 21, a fixed connecting block 22, a closed column 23, a needle 3, a second side hole 31 and a partition plate 32.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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.

The following combines fig. 1 to fig. 3 to show, the embodiment of the utility model provides a two-chamber syringe needle 3 can exhaust, including syringe body 1, needle tubing 2 and syringe needle 3, a pot head of needle tubing 2 is established on the output of syringe body 1, the other end and the syringe needle 3 of needle tubing 2 are connected, entrance point and exit end have been seted up on the syringe needle 3, syringe needle 3 sets up in needle tubing 2, the entrance point that is equipped with on the syringe needle 3 is located needle tubing 2, just the entrance point that is equipped with on the syringe needle 3 is connected with the output of syringe body 1, the exit end of syringe needle 3 is located outside needle tubing 2, first side opening 21 has been seted up on needle tubing 2, second side opening 31 has been seted up on the entrance of syringe needle 3.

Specifically, the first side hole 21 formed in the needle tube 2 is located on one side of the injector body 1, and the first side hole 21 is located above the second side hole 31, and the first side hole 21 corresponds to the second side hole 31.

Specifically, the needle tube 2 is further provided with a fixed connecting block 22 and a closed column 23, one end of the fixed connecting block 22 is fixedly arranged on the needle tube 2, the fixed connecting block 22 is located on one side of the first side hole 21, the top end of the closed column 23 is fixedly connected with the other end of the fixed connecting block 22, and the closed column 23 is located in the first side hole 21 and the second side hole 31; the fixed connecting block 22 is used for connecting a closed column 23, and the closed column 23 is used for closing or opening the first side hole 21 and the second side hole 31.

Specifically, the fixed connecting block 22 and the closed column 23 are made of rubber.

Specifically, second side opening 31 that is equipped with on syringe needle 3 is located one side of syringe needle 3 entrance point, and second side opening 31 is located needle tubing 2, division board 32 has been seted up in syringe needle 3, one side that division board 32 is located syringe needle 3 entrance point is semi-closed form, division board 32 is semi-closed form one side and second side opening correspond.

The working principle of the invention is that when the invention is operated, the closed column 23 is firstly pulled out of the first side hole 21 and the second side hole 31, at the moment, the closed column 23 is hung on the needle tube 2 through the fixed connecting block 22, then, when the injector body 1 is operated to inject, the infusion is carried out through the needle 3, when the infusion is carried out, the liquid enters the needle 3 along one side of the partition plate 32, when the liquid enters the infusion bottle through the needle, the air pressure generated by the injector body 1 when pushing the liquid enters along the other side of the partition plate 32 in the needle 1, then the air pressure can be discharged out of the needle tube 2 along the second side hole 31 and the first side hole 21, and finally, the closed column 23 is placed into the first side hole 21 and the second side hole 31, at the moment, the closed column 23 can close the first side hole 21 and the second side hole 31.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a two-chamber syringe needle that can exhaust, its characterized in that, includes syringe body (1), needle tubing (2) and syringe needle (3), the pot head of needle tubing (2) is established on the output of syringe body (1), the other end and syringe needle (3) of needle tubing (2) are connected, entrance point and exit end have been seted up on syringe needle (3), syringe needle (3) set up in needle tubing (2), the entrance point that is equipped with on syringe needle (3) is located needle tubing (2), just the entrance point that is equipped with on syringe needle (3) is connected with the output of syringe body (1), the exit end of syringe needle (3) is located outside needle tubing (2), first side opening (21) has been seted up on needle tubing (2), second side opening (31) have been seted up on the entrance of syringe needle (3), first side opening (21) that are equipped with on needle tubing (2) are located one side of syringe body (1), and first side opening (21) is located the top of second side opening (31), first side opening (21) corresponds with second side opening (31), still be equipped with fixed connecting block (22) and closed post (23) on needle tubing (2), the fixed setting of one end of fixed connecting block (22) is on needle tubing (2), and fixed connecting block (22) is located one side of first side opening (21), the top of closed post (23) and the other end fixed connection of fixed connecting block (22), closed post (23) is located first side opening (21) and second side opening (31), fixed connecting block (22) are used for connecting closed post (23), closed post (23) are used for sealing or opening first side opening (21) and second side opening (31).

2. An air-ventable double-chamber injection needle as claimed in claim 1, characterized in that the fixed connecting block (22) and the closed column (23) are both made of rubber.

3. An air-ventable double-chamber injection needle according to claim 1, characterized in that the second side hole (31) of the needle (3) is located at one side of the inlet end of the needle (3), and the second side hole (31) is located in the needle tube (2), a partition plate (32) is arranged in the needle (3), one side of the partition plate (32) at the inlet end of the needle (3) is semi-closed, and one side of the partition plate (32) in semi-closed shape corresponds to the second side hole.