CN211461606U

CN211461606U - Insulin pen needle

Info

Publication number: CN211461606U
Application number: CN201921901907.XU
Authority: CN
Inventors: 张文
Original assignee: Shandong Kerui Medical Supplies Co ltd
Current assignee: Shandong Kerui Medical Supplies Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-11
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses an insulin pen syringe needle belongs to syringe needle technical field. An insulin pen needle comprises a needle seat, a disinfection ring and a needle body, wherein the needle seat is connected with the disinfection ring through a first spring, the needle body is connected onto the needle seat, one end, far away from the needle seat, of the needle body is connected into the disinfection ring, the insulin pen needle further comprises a third supporting rod, the third supporting rod is fixedly connected onto the needle seat, the first spring is sleeved on the third supporting rod, a second supporting rod is connected into the third supporting rod in a sliding mode, a first supporting rod is connected into the second supporting rod in a sliding mode, one end, far away from the second supporting rod, of the first supporting rod is fixedly connected onto the disinfection ring, and one end, close to the needle seat, of the first supporting rod is connected with a limiting; the utility model discloses can fix the disinfection circle at the injection in-process, prevent that the disinfection circle from extrudeing the skin surface, be convenient for inject, and the protection effect to the syringe needle is better.

Description

Insulin pen needle

Technical Field

The utility model relates to a syringe needle technical field especially relates to an insulin pen syringe needle.

Background

The insulin pen is a conventional instrument for insulin injection, the tedious process that a patient uses an injector to extract insulin from an insulin medicine bottle is avoided, the embarrassment that the patient injects the insulin in public places can be avoided, and convenience is brought to the patient who has poor eyesight or even blindness to inject the insulin.

Through the retrieval, patent application number is 201621209330.2, and the grant bulletin number is CN206837201U, and the patent name is a utility model patent of a syringe needle for insulin injection pen, discloses a syringe needle for insulin injection pen, including the spliced pole of needle file, syringe needle body and connecting needle file and syringe needle body, still include a plurality of springs and a cylindrical annular disinfection circle, the last fixed surface of spring one end and needle file is connected, the bottom surface fixed connection of the other end and annular disinfection circle, the inner ring of annular disinfection circle is arranged in to the upper end of syringe needle body, the aseptic cotton standing groove has been seted up on the annular disinfection circle in the inner ring outside, be equipped with the aseptic cotton in the aseptic cotton standing groove, the annular disinfection circles and is equipped with the visor. The utility model is provided with the annular disinfection ring at the upper end of the needle head body, on one hand, the disinfection cotton can be provided, so that the injection operation is simple and convenient; on the other hand, can protect the syringe needle body, when the syringe needle is pulled out from patient's health, can effectively prevent that syringe needle body point from exposing.

The utility model discloses an above-mentioned utility model discloses a syringe needle for insulin injection pen can accomplish the back protection syringe needle at the injection, and injection easy operation, but in the injection process, because the effect of spring, need exert oneself all the time just can prevent in the syringe needle retraction disinfection circle, if exert oneself too big, then can extrude human skin, cause obvious extrusion, painful sense, influence injection effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an insulin pen needle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an insulin pen needle comprises a needle seat, a disinfection ring, a needle body, wherein the needle seat is connected with the disinfection ring through a first spring, the needle body is connected with the needle seat, one end of the needle body, far away from the needle seat, is connected in the disinfection ring, the insulin pen needle further comprises a third supporting rod, the third supporting rod is fixedly connected with the needle seat, the first spring is sleeved on the third supporting rod, a second supporting rod is connected in the third supporting rod in a sliding manner, a first supporting rod is connected in the second supporting rod in a sliding manner, one end of the first supporting rod, far away from the second supporting rod, is fixedly connected with the disinfection ring, one end of the first supporting rod, near the needle seat, is connected with a limiting column in a sliding manner, one end of the limiting column, far away from the needle body, penetrates through the first supporting rod, one end of the limiting column, near the needle body, is fixedly connected with a second spring, the needle base is rotatably connected with a driving disc, a concave end and a convex end are arranged on the driving disc, and the driving disc is matched with the limiting column.

Preferably, the number of the first springs is 3-5.

Preferably, the needle base is fixedly connected with a limiting disc, the limiting disc is located at one end, close to the needle body, of the driving disc, and the limiting disc is matched with the second supporting rod.

Preferably, the needle seat is rotatably connected with a rotary table, and the rotary table is fixedly connected with a driving disc.

Preferably, the outer wall of the driving disc is fixedly connected with scale marks, and the scale marks are matched with the convex end and the concave end of the driving disc.

Compared with the prior art, the utility model provides an insulin pen syringe needle possesses following beneficial effect:

1. when a user uses the insulin pen needle, the disinfection ring is placed at a position to be injected for disinfection treatment when insulin injection is carried out, then the disinfection ring is pushed to move towards the direction of the needle seat under the action of external force, the first spring is compressed, and then the disinfection ring drives the first supporting rod and the second supporting rod to slide, so that the first supporting rod moves towards the direction of the driving disc;

the limiting disc can prevent the second support rod from sliding too far, so that the first support rod cannot slide away from the second support rod, and the limiting column on the first support rod cannot slide;

the first support rod slides away from the second support rod, and under the action of the second spring, the limiting column slides into the concave end of the driving disc, so that the first support rod can be clamped, and injection can be performed at the moment;

after injection is completed, the rotary table is rotated, the scale marks are arranged on the rotary table, the positions of a concave end and a convex end arranged on the driving disc can be conveniently distinguished, the scale marks can be used as anti-skid patterns, the rotary table drives the driving disc to slide, so that the concave end, attached to the limiting column, of the driving disc is changed into the convex end, the limiting column is pushed to slide into the first supporting rod, the second spring is compressed, the disinfection ring is reset under the action of the first spring, and one-time injection is completed;

the number of the first springs is 4, the resetting effect is good, and the number of the support rods is consistent with that of the first springs, so that the needle head body can be protected;

the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can fix the disinfection circle at the injection in-process, prevent that the disinfection circle from extrudeing the skin surface, the injection of being convenient for, and better to the protection effect of syringe needle.

Drawings

Fig. 1 is a schematic structural view of an insulin pen needle according to the present invention;

fig. 2 is one of schematic sectional structural diagrams of an insulin pen needle according to the present invention;

FIG. 3 is a schematic cross-sectional view of an insulin pen needle according to the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 3 of an insulin pen needle according to the present invention;

fig. 5 is one of schematic sectional views of the turntable of the insulin pen needle according to the present invention.

In the figure: 1. a needle seat; 101. a first spring; 102. sterilizing the ring; 2. a needle body; 3. a first support bar; 301. a second support bar; 302. a third support bar; 303. a limiting disc; 4. a limiting column; 401. a second spring; 5. a turntable; 501. scale lines; 502. a drive plate.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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 (b):

referring to fig. 1-5, an insulin pen needle comprises a needle seat 1, a disinfection ring 102, a needle body 2, wherein the needle seat 1 is connected with the disinfection ring 102 through a first spring 101, the needle body 2 is connected with the needle seat 1, one end of the needle body 2, which is far away from the needle seat 1, is connected in the disinfection ring 102, the insulin pen needle further comprises a third support rod 302, the third support rod 302 is fixedly connected with the needle seat 1, the first spring 101 is sleeved on the third support rod 302, a second support rod 301 is slidably connected with the third support rod 302, a first support rod 3 is slidably connected with the second support rod 301 in the second support rod 301, one end of the first support rod 3, which is far away from the second support rod 301, is fixedly connected with the disinfection ring 102, a limit column 4 is slidably connected with one end of the first support rod 3, one end of the limit column 4, which is far away from the needle body 2, is penetrated through the, one end of the second spring 401 far away from the limiting column 4 is fixedly connected to the first support rod 3, the needle base 1 is rotatably connected with a driving disc 502, a concave end and a convex end are arranged on the driving disc 502, and the driving disc 502 is matched with the limiting column 4.

The number of the first springs 101 is 3-5.

The needle base 1 is fixedly connected with a limiting disc 303, the limiting disc 303 is positioned at one end of the driving disc 502 close to the needle body 2, and the limiting disc 303 is matched with the second supporting rod 301.

The needle seat 1 is rotatably connected with a rotating disc 5, and the rotating disc 5 is fixedly connected with a driving disc 502.

The outer wall of the driving disc 502 is fixedly connected with scale marks 501, and the scale marks 501 are matched with the convex end and the concave end of the driving disc 502.

When a user uses the injection device, when insulin is injected, the disinfection ring 102 is placed at a position to be injected for disinfection, then the disinfection ring 102 is pushed to move towards the needle base 1 under the action of external force, the first spring 101 is compressed, then the disinfection ring 102 drives the first supporting rod 3 and the second supporting rod 301 to slide, and then the first supporting rod 3 moves towards the direction of the driving disc 502;

the limiting disc 303 can prevent the second supporting rod 301 from sliding too far, so that the first supporting rod 3 cannot slide away from the second supporting rod 301, and the limiting column 4 on the first supporting rod 3 cannot slide;

the first supporting rod 3 slides away from the second supporting rod 301, under the action of the second spring 401, the limiting column 4 slides into the concave end of the driving disc 502, so that the first supporting rod 3 can be clamped, and injection can be performed at the moment;

after injection is completed, the rotating disc 5 is rotated, the scale marks 501 are arranged on the rotating disc 5, the positions of the concave end and the convex end arranged on the driving disc 502 can be conveniently distinguished, the scale marks 501 can be used as anti-skid patterns, the rotating disc 5 drives the driving disc 502 to slide, so that the concave end, which is attached to the limiting column 4, of the driving disc 502 is changed into the convex end, meanwhile, the limiting column 4 is pushed to slide into the first supporting rod 3, the second spring 401 is compressed, the sterilizing ring 102 is reset under the action of the first spring 101, and one-time injection is completed;

the number of the first springs 101 is 4, the resetting effect is good, and the number of the support rods is consistent with that of the first springs 101, so that the needle body 2 can be protected;

the utility model discloses can fix disinfection circle 102 at the injection in-process, prevent that disinfection circle 102 from extrudeing the skin surface, be convenient for inject, and the protection effect to the syringe needle is better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An insulin pen needle comprises a needle seat (1), a disinfection ring (102) and a needle body (2), wherein the needle seat (1) is connected with the disinfection ring (102) through a first spring (101), the needle body (2) is connected on the needle seat (1), one end of the needle body (2) far away from the needle seat (1) is connected in the disinfection ring (102), the insulin pen needle is characterized by further comprising a third support rod (302), the third support rod (302) is fixedly connected on the needle seat (1), the first spring (101) is sleeved on the third support rod (302), the third support rod (302) is internally and slidably connected with a second support rod (301), the second support rod (301) is internally and slidably connected with a first support rod (3), one end of the first support rod (3) far away from the second support rod (301) is fixedly connected on the disinfection ring (102), first bracing piece (3) are close to one end sliding connection of needle file (1) has spacing post (4), the one end that syringe needle body (2) were kept away from in spacing post (4) runs through first bracing piece (3), one end fixedly connected with second spring (401) that spacing post (4) are close to syringe needle body (2), the one end fixed connection that spacing post (4) were kept away from in second spring (401) is on first bracing piece (3), it is connected with driving-disc (502) to rotate on needle file (1), be equipped with concave end and protruding end on driving-disc (502), driving-disc (502) and spacing post (4) phase-match.

2. An insulin pen needle as claimed in claim 1, characterized in that the number of said first springs (101) is 3-5.

3. The insulin pen needle head according to claim 2, characterized in that a limiting disc (303) is fixedly connected to the needle holder (1), the limiting disc (303) is located at one end of the driving disc (502) close to the needle body (2), and the limiting disc (303) is matched with the second support bar (301).

4. The insulin pen needle as claimed in claim 1, wherein a rotary disc (5) is rotatably connected to the needle holder (1), and the rotary disc (5) is fixedly connected with a driving disc (502).

5. The insulin pen needle according to claim 4, characterized in that the outer wall of the driving disk (502) is fixedly connected with a graduation mark (501), and the graduation mark (501) is matched with the convex end and the concave end of the driving disk (502).