CN211272874U

CN211272874U - Insulin injection pen with needle convenient to detach

Info

Publication number: CN211272874U
Application number: CN201921760551.2U
Authority: CN
Inventors: 孙茂; 杨德淑
Original assignee: Chongqing Fourth Hospital
Current assignee: Chongqing Fourth Hospital
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-08-18
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an insulin injection pen convenient to dismantle syringe needle, including the injection tube, the front end of injection tube is equipped with the connector of following its length direction and outwards extending, and the cartridge has the syringe needle on this connector, can install the part of getting the needle on the injection tube with sliding from top to bottom, the part of getting the needle includes the push pin section of ring cover on the connector to and the handheld section of ring cover on the injection tube, be connected through the direction section between push pin section and the handheld section, it supports elastic element to get between needle part and the injection tube for force get the needle part and remove towards the direction of keeping away from the syringe needle. The utility model has the advantages that: can effectively prevent the hands of medical staff from being pricked or touch residual liquid due to the contact with the needle head, and has the technical advantages of safe use, convenient operation and the like.

Description

Insulin injection pen with needle convenient to detach

Technical Field

The utility model belongs to the technical field of the auxiliary medical apparatus, concretely relates to insulin injection pen convenient to dismantle syringe needle.

Background

Diabetes is a group of metabolic diseases characterized by hyperglycemia, no radical treatment method exists at present, a patient needs to inject insulin for a long time to control the development of the disease, and clinically, the patient is mainly injected with insulin through a special insulin injection pen.

In current insulin injection pen, medical personnel must use the needle cap to cover the syringe needle back for patient's completion injection back, just can take off the syringe needle from injection pen, because the syringe needle of injection insulin is very tiny, and when medical personnel used the needle cap to cover the syringe needle back, very easily prick the hand, cause the stab easily to medical personnel to in this operation process, medical personnel's hand also easily contacts the residual waste liquid on the syringe needle.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an insulin injection pen convenient to dismantle syringe needle to cause stabbing easily and contact technical defect such as remaining waste liquid when solving the dismantlement syringe needle.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides an insulin injection pen convenient to dismantle syringe needle, includes the injection tube, the front end of injection tube is equipped with the connector that outwards extends along the axial, and the cartridge has the syringe needle on this connector, and its key lies in: the needle taking component is arranged on the injection tube and can slide along the axial direction of the injection tube, the needle taking component comprises a needle pushing section and a hand-held section, the needle pushing section is sleeved on the connector in a ring mode, the hand-held section is sleeved on the injection tube in a ring mode, the needle pushing section is connected with the hand-held section through a guide section, an elastic element is supported between the needle taking component and the injection tube, and the elastic element applies force to the needle taking component in the direction that the needle taking component is far away from the needle head.

By adopting the structure, after the medical staff injects the insulin, the medical staff holds the insulin on the holding section and then pushes the needle taking part downwards, the needle pushing section can push the needle out of the connecting head of the injection tube, so that the needle taking work is completed, and after the needle is taken down, the needle taking part can also automatically reset under the action of the elastic element. The injection pen taking the needle in the mode can effectively prevent the hands of medical staff from being pricked or touch residual liquid due to the contact of the needle head, and has the technical advantages of safety in use, convenience in operation and the like.

Preferably, the method comprises the following steps: the position of the injection tube, which is close to the needle pushing section, is provided with a lower supporting step, the inner wall of the needle taking component, which is close to the hand-held section, is provided with an upper supporting step, the elastic element is a spring, and the upper end and the lower end of the elastic element are respectively abutted against the upper supporting step and the lower supporting step. Adopt above-mentioned structure to the installation spring is convenient for.

Preferably, the method comprises the following steps: the push needle section is of an annular structure, and an annular groove is formed in the position, corresponding to the push needle section, of the injection cylinder and is matched with the push needle section. By adopting the structure, after the product is assembled, the push needle section can be coated in the annular groove, so that the injection pen has better appearance quality.

Preferably, the method comprises the following steps: the guide section is of a strip structure, and guide grooves matched with the guide section are arranged on two sides of the lower end of the injection tube. Adopt above-mentioned structure, can play better slide guide effect to getting the needle part to when guaranteeing to get the needle, the operation is smooth, reduces and hinders and feel.

Preferably, the method comprises the following steps: and anti-skid straight grains are distributed on the outer wall of the handheld section. By adopting the structure, the anti-skid function can be achieved, so that the hand-held device is convenient to hold by a user.

Preferably, the method comprises the following steps: the push pin section, the hand-held section and the guide section are integrally formed. By adopting the structure, the processing and the manufacturing are convenient.

Preferably, the method comprises the following steps: and one side of the push needle section, which is close to the needle head, is distributed with a convex block. By adopting the structure, the pushing force distribution of the needle pushing section pushing the needle head to move is more uniform when the needle is taken, so that the needle head can be taken down smoothly.

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

adopt the utility model provides an insulin injection pen convenient to dismantle syringe needle, after medical personnel injected the insulin, can directly promote to get the needle part and dismantle the syringe needle, can prevent medical personnel hand effectively and be pricked, perhaps touch remaining liquid because of contacting the syringe needle, have technical advantages such as safe in utilization, convenient operation.

Drawings

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

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of the syringe;

fig. 4 is a schematic structural view of the needle-taking member.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in figures 1 and 2, an insulin injection pen with a needle convenient to detach mainly comprises an injection tube 1, a needle 2 and a needle taking part 3, wherein the front end of the injection tube 1 is provided with a connector 1a extending outwards along the length direction of the injection tube, the needle 2 is arranged on the connector 1a in an insertion mode, the needle taking part 3 is arranged at the lower end of the injection tube 1 in a sliding mode and consists of a needle pushing section 3a, a hand-held section 3b and a guide section 3c which are integrally formed, the needle pushing section 3a is of an annular structure and is sleeved on the connector 1a in a sliding mode, the hand-held section 3b is sleeved on the injection tube 1 in a ring mode, after a medical worker injects insulin, the medical worker holds the injection tube on the hand-held section 3b by hand and pushes the needle taking part 3 downwards, the needle pushing section 3a can push the needle 2 out of the connector 1a of the injection tube 1, so that the needle taking work is finished, and the situation that the hand, can effectively prevent the hands of the medical staff from being pricked or touching the residual liquid due to the contact with the needle.

In order to ensure that the needle taking component 3 can automatically reset after pushing the needle taking component 3 to take a needle, an elastic element 4 is supported between the needle taking component 3 and the injection cylinder 1, in this embodiment, the elastic element 4 is preferably a spring, and the spring is further installed in a manner that: the position that injection tube 1 is close to push away needle section 3a is equipped with lower support step 1b, gets to be equipped with on the inner wall that needle part 3 is close to handheld section 3b and support step 3d, and the upper and lower both ends of spring butt respectively on last support step 3d and lower support step 1 b.

As shown in fig. 3 and 4, the position of the injection tube 1 corresponding to the needle pushing section 3a is provided with an annular groove 1c, the needle pushing section 3a can be slidably arranged in the annular groove 1c, the guide section 3c is of a strip structure, two sides of the injection tube 1 are provided with guide grooves 1d adapted to the guide section 3c, and the guide section 3c is slidably arranged in the guide grooves 1 d.

As shown in fig. 4, in order to prevent slipping and facilitate the holding of the user, anti-slipping straight lines 3f are distributed on the outer wall of the holding section 3 b.

As shown in fig. 2, the protrusion 3e is distributed on one side of the needle pushing section 3a close to the needle head 2, so that when the needle is taken out, the pushing force of the needle pushing section 3a pushing the needle head 2 is distributed more uniformly, and the needle head 2 is taken off smoothly.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides an insulin injection pen convenient to dismantle syringe needle, includes injection tube (1), the front end of injection tube (1) is equipped with along the outside connector (1a) that extends of axial, and the cartridge has syringe needle (2), its characterized in that on this connector (1 a): the needle taking component (3) is mounted on the injection tube (1), the needle taking component (3) can slide along the axial direction of the injection tube (1), the needle taking component (3) comprises a needle pushing section (3a) sleeved on the connector (1a) in a ring mode and a handheld section (3b) sleeved on the injection tube (1) in a ring mode, the needle pushing section (3a) is connected with the handheld section (3b) through a guide section (3c), an elastic element (4) is supported between the needle taking component (3) and the injection tube (1), and the elastic element (4) applies force to the needle taking component (3) in the direction that the needle taking component (3) is far away from the needle head (2).

2. The insulin injection pen with the needle convenient to detach according to claim 1, wherein: the position that injection tube (1) is close to and pushes away needle section (3a) is equipped with lower supporting step (1b), it is equipped with on the inner wall that needle part (3) are close to handheld section (3b) and supports step (3d) to get, elastic element (4) are the spring, and its upper and lower both ends are the butt respectively on upper supporting step (3d) and lower supporting step (1 b).

3. The insulin injection pen with the needle convenient to detach according to claim 2, wherein: the push needle section (3a) is of an annular structure, an annular groove (1c) is formed in the position, corresponding to the push needle section (3a), of the injection cylinder (1), and the annular groove (1c) is matched with the push needle section (3 a).

4. The insulin injection pen with the needle convenient to detach according to claim 3, wherein: the guide section (3c) is of a strip-shaped structure, and guide grooves (1d) matched with the guide section (3c) are formed in two sides of the lower end of the injection tube (1).

5. The insulin injection pen with the needle convenient to detach according to claim 4, wherein: the outer wall of the handheld section (3b) is distributed with anti-skid straight grains (3 f).

6. The insulin injection pen facilitating needle detachment according to any one of claims 1 to 5, wherein: the push pin section (3a), the handheld section (3b) and the guide section (3c) are integrally formed.

7. The insulin injection pen with the needle convenient to detach according to claim 6, wherein: and one side of the push needle section (3a) close to the needle head (2) is distributed with a convex block (3 e).