CN219110443U

CN219110443U - Insulin injection pen

Info

Publication number: CN219110443U
Application number: CN202223150710.1U
Authority: CN
Inventors: 黄彩虹
Original assignee: Shanghai Pudong Hospital Fudan University Pudong Medical Center
Current assignee: Shanghai Pudong Hospital Fudan University Pudong Medical Center
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-02
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of injection pens and discloses an insulin injection pen, which comprises a first accommodating cavity, wherein one end of the first accommodating cavity is in threaded connection with an introduction head, one end of the introduction head is fixedly connected with an injection head, the surface of the introduction head is in threaded connection with a threaded pipe, one end of the threaded pipe is fixedly connected with a positioning block, the insulin injection pen is characterized in that the push rod is pulled to a proper position through the arrangement of the first accommodating cavity, the push rod and a piston, a cover is opened, liquid medicine is added into the first accommodating cavity and the second accommodating cavity through an input pipe, the push rod is pushed, so that the piston is driven to move, the liquid medicine is pushed to move, the quantity of the injected liquid medicine is observed through scales on one side surface of a protective shell, when a spring contacts a stop block, after the spring is compressed to the maximum limit, the spring releases the hand, the spring drives the push rod to reset, quantitative injection is facilitated, and the piston is conveniently reset.

Description

Insulin injection pen

Technical Field

The utility model relates to the technical field of injection pens, in particular to an insulin injection pen.

Background

Insulin is one of the effective means for treating and controlling diabetes, and has the functions of compensating the defect of insufficient insulin secretion of a diabetic patient and balancing blood sugar, and is the method with the highest use rate for treating diabetes at present, and the method is most commonly used for injecting through the abdomen during treatment. In the endocrine care, insulin is often injected into the human body using an injection pen, and therefore, an insulin injection pen is proposed to assist the user in performing quantitative injection.

Currently, insulin injection pens on the market have the following disadvantages:

1. the quantitative injection is not facilitated, the injection quantity is not convenient to be too large or too small, and the piston is not convenient to reset;

2. the injection device is not beneficial to helping a user to locate an area needing injection, is not easy to improve the accuracy of injection and is not easy to avoid stabbing the user;

disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an insulin injection pen, which solves the problems that the quantitative injection is inconvenient, the injection quantity is too large or too small, the piston is inconvenient to reset, the injection accuracy is not easy to improve, and the user is not easy to be injured by stabs because the insulin injection pen is not convenient for the user to position the area needing injection.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an insulin injection pen, first chamber that holds, the one end threaded connection in first chamber that holds has leading-in head, the one end fixedly connected with injection head of leading-in head, the surface threaded connection of leading-in head has the screwed pipe, the one end fixedly connected with locating piece of screwed pipe, the one end fixedly connected with rubber pad of locating piece, the one end fixedly connected with protective housing in first chamber that holds, the inside fixedly connected with second of protective housing holds the chamber, the inside fixedly connected with dog in first chamber that holds, the inside sliding connection in second holds the chamber has the push rod.

Optionally, one end of the push rod is fixedly connected with a piston, and the other end of the push rod is fixedly connected with a pushing piece

Optionally, a baffle is fixedly connected to the surface of the push rod, and a spring is fixedly connected to one end of the baffle;

optionally, a buckle is fixedly connected to one side of the protective shell, and a baffle is fixedly connected to one end of the protective shell;

optionally, an input tube is fixedly connected to the surface of the protective shell, and a binding belt is fixedly connected to one side of the input tube;

optionally, a cover is fixedly connected to one side of the strap, and the number of the covers is one.

(III) beneficial effects

The utility model provides an insulin injection pen, which has the following beneficial effects:

1. this insulin injection pen, through the setting of first chamber, push rod and piston that holds, the pulling push rod is to suitable position, open the lid, add the inside that first chamber and second held the chamber with the liquid medicine through the input tube, promote the push rod, thereby drive the piston and move, promote the liquid medicine and move, how many of injection liquid medicine is observed through the scale on protective housing one side surface, after the dog is touched to the spring, after the spring compression is to furthest, loosen the hand, the spring can drive the push rod and reset, be favorable to carrying out quantitative injection, the injection volume of being convenient for is too big or is too little, be convenient for reset the piston.

2. This insulin injection pen carries out fixed connection with injection head and leading-in head through the setting of injection head, screwed pipe and locating piece, carries out threaded connection with screwed pipe and leading-in head, laminates the locating piece with the region that needs to inject, presses the locating piece, can extrude the rubber pad, and the injection head can insert the region that needs to inject. The push rod is pushed to perform injection, so that the injection is favorable for helping a user to position an area needing injection, the injection accuracy is improved, and the user is prevented from being stabbed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall split structure of the present utility model;

FIG. 3 is a schematic view of a push rod according to the present utility model;

fig. 4 is a schematic structural view of a protective shell according to the present utility model.

In the figure: 1. a first accommodation chamber; 2. an introduction head; 3. an injection head; 4. a threaded tube; 5. a positioning block; 6. a rubber pad; 7. a protective shell; 8. a second accommodation chamber; 9. a stop block; 10. a push rod; 11. a piston; 12. a pushing piece; 13. a baffle; 14. a spring; 15. an input tube; 16. and a cover.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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 to 4, the present utility model provides a technical solution: the utility model provides an insulin injection pen, first chamber 1 that holds, first one end threaded connection who holds chamber 1 has leading-in head 2, leading-in head 2's one end fixedly connected with injection head 3, leading-in head 2's surface threaded connection has screwed pipe 4, screwed pipe 4's one end fixedly connected with locating piece 5, the one end fixedly connected with rubber pad 6 of locating piece 5, through the setting of injection head 3, screwed pipe 4 and locating piece 5, carry out fixed connection with injection head 3 and leading-in head 2, carry out threaded connection with screwed pipe 4 and leading-in head 2, laminate locating piece 5 and the region that needs to inject, press locating piece 5, can extrude rubber pad 6, injection head 3 can insert the region that needs to inject. The injection can be performed by pushing the push rod 10, which is beneficial to helping a user to locate an area needing injection, improving the accuracy of injection and avoiding stabbing the user. The one end fixedly connected with protective housing 7 of first chamber 1 that holds, the inside fixedly connected with second of protective housing 7 holds chamber 8, the inside fixedly connected with dog 9 of first chamber 1 that holds, the inside sliding connection of second holds chamber 8 has push rod 10, through the setting of first chamber 1 that holds, push rod 10 and piston 11, pull push rod 10 to suitable position, open lid 16, add the inside that first chamber 1 and second held chamber 8 with the liquid medicine through input tube 15, promote push rod 10, thereby drive piston 11 and move, promote the liquid medicine and move, observe the how much of injection liquid medicine through the scale on protective housing 7 one side surface, after spring 14 runs into dog 9, spring 14 compresses to furthest, loosen the hand after the injection, spring 14 can drive push rod 10 and reset, be favorable to carrying out quantitative injection, the injection volume of being convenient for is too big or too little, be convenient for reset piston 11.

One end of the push rod 10 is fixedly connected with a piston 11, the other end of the push rod 10 is fixedly connected with a pushing piece 12, and the effect of pushing liquid medicine is achieved through the arrangement of the piston 11 and the pushing piece 12

The surface of the push rod 10 is fixedly connected with a baffle 13, one end of the baffle 13 is fixedly connected with a spring 14, and the baffle 13 and the spring 14 are arranged to play roles in fixing and resetting;

one side of the protective shell 7 is fixedly connected with a buckle, one end of the protective shell 7 is fixedly connected with a baffle, and the functions of convenient carrying and limiting are achieved through the arrangement of the buckle and the baffle;

the surface of the protective shell 7 is fixedly connected with an input pipe 15, one side of the input pipe 15 is fixedly connected with a binding belt, and the effect of facilitating injection of liquid medicine and connection is achieved through the arrangement of the input pipe 15 and the binding belt;

one side of the binding band is fixedly connected with a cover 16, the number of the covers 16 is one, and the sealing effect is achieved through the arrangement of the covers 16.

In the utility model, the working steps of the device are as follows:

1. pulling the push rod 10 to a proper position, opening the cover 16, adding liquid medicine into the first accommodating cavity 1 and the second accommodating cavity 8 through the input pipe 15, pushing the push rod 10, driving the piston 11 to move, pushing the liquid medicine to move, observing the quantity of injected liquid medicine through scales on one side surface of the protective shell 7, and loosening hands after the spring 14 touches the stop block 9 and the spring 14 is compressed to the maximum limit, wherein the spring 14 can drive the push rod 10 to reset, thereby being beneficial to quantitative injection;

2. the injection head 3 and the introduction head 2 are fixedly connected, the threaded pipe 4 and the introduction head 2 are in threaded connection, the positioning block 5 is attached to the area needing to be injected, the rubber pad 6 is extruded by pressing the positioning block 5, and the injection head 3 is inserted into the area needing to be injected. Pushing the plunger 10 allows injection to be performed, which is advantageous in helping the user locate the area to be injected.

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

1. Insulin injection pen, first chamber (1) that holds, its characterized in that: the injection head comprises a first accommodating cavity (1), wherein one end of the first accommodating cavity (1) is connected with an introduction head (2) in a threaded manner, one end of the introduction head (2) is fixedly connected with an injection head (3), the surface of the introduction head (2) is connected with a threaded pipe (4), one end of the threaded pipe (4) is fixedly connected with a positioning block (5), one end of the positioning block (5) is fixedly connected with a rubber pad (6), one end of the first accommodating cavity (1) is fixedly connected with a protective shell (7), the inside of the protective shell (7) is fixedly connected with a second accommodating cavity (8), the inside of the first accommodating cavity (1) is fixedly connected with a stop block (9), and the inside of the second accommodating cavity (8) is connected with a push rod (10) in a sliding manner.

2. An insulin injection pen according to claim 1, characterized in that: one end of the push rod (10) is fixedly connected with a piston (11), and the other end of the push rod (10) is fixedly connected with a pushing piece (12).

3. An insulin injection pen according to claim 2, characterized in that: the surface of push rod (10) is fixedly connected with baffle (13), the one end fixedly connected with spring (14) of baffle (13).

4. An insulin injection pen according to claim 1, characterized in that: one side fixedly connected with buckle of protective housing (7), the one end fixedly connected with separation blade of protective housing (7).

5. An insulin injection pen according to claim 1, characterized in that: the surface of protective housing (7) fixedly connected with input tube (15), one side fixedly connected with bandage of input tube (15).

6. An insulin injection pen according to claim 5, characterized in that: one side of the binding band is fixedly connected with a cover (16), and the number of the covers (16) is one.