CN213554493U

CN213554493U - Insulin needle

Info

Publication number: CN213554493U
Application number: CN202022110275.4U
Authority: CN
Inventors: 李文巧
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-29
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses an insulin needle head, which comprises a needle seat, an inner needle cap and a needle head, wherein the needle head is arranged at the front end of the needle seat, and the inner needle cap covers the needle head; the outer protective cap is connected with the outer side wall of the needle seat in a sliding mode. The utility model discloses need not to take off outer protective cap, avoided outer protective cap to lose, convenient operation when singlehanded returning cover has reduced the risk that the needle prick hindered, simple structure, the cost is reduced.

Description

Insulin needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to insulin syringe needle.

Background

Diabetes is a metabolic disease characterized by hyperglycemia, and no radical treatment method exists at present, but the condition can be effectively controlled by injecting insulin into a patient.

The injection instrument of insulin is various, and the instrument commonly used is the syringe needle with the supporting use of insulin pen, and wherein the insulin pen carries the insulin liquid medicine of specified amount, repeatedly usable, syringe needle are the disposable syringe needle that has safety arrangement.

When in use, an outer needle cap of the existing injection needle needs to be taken down and placed on an operation table, and the outer needle cap is easy to roll off from the operation table to cause loss; the injection needle head is short and small, so that the outer needle cap is not easy to pick up when the needle head is sleeved back by one hand, and the needle cap is sleeved back by two hands when the needle head is sleeved back by one hand fails, so that the risk of needle stick injury is increased; the existing injection needle has a complex structure and higher cost as a disposable injection needle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an insulin needle need not to take off outer protective cap, has avoided outer protective cap to lose, and convenient operation when singlehanded returning cover has reduced the risk that the needle-prick hindered, simple structure, the cost is reduced.

In order to achieve the purpose, the utility model provides an insulin needle head, which comprises a needle seat, an inner needle cap and a needle head, wherein the needle head is arranged at the front end of the needle seat, and the inner needle cap covers the needle head; the outer protective cap is connected with the outer side wall of the needle seat in a sliding mode.

Preferably, the upper part of the outer wall of the needle base is provided with a clamping groove, the clamping groove is formed by arranging a first blocking protrusion and a second blocking protrusion in parallel at intervals, the width of the first blocking protrusion is smaller than that of the second blocking protrusion, and the first blocking protrusion and the second blocking protrusion are fixedly connected with the needle base into a whole; the lower part of the inner wall of the outer protective cap is provided with a bulge corresponding to the clamping groove, a limiting bulge is arranged below the bulge in an abutting mode, and the limiting bulge is fixedly connected with the outer protective cap into a whole.

Furthermore, the width of the limiting protrusion is equal to that of the second stopping protrusion.

Furthermore, the first blocking protrusion, the second blocking protrusion and the bulge are annular.

Further, the protrusion is made of rubber materials.

Preferably, the inner wall of the outer protective cap is provided with a sliding groove, the outer wall of the needle seat is provided with a strip-shaped bulge corresponding to the sliding groove on the outer protective cap, and the sliding groove and the strip-shaped bulge form a group of sliding mechanisms.

Furthermore, at least one group of sliding mechanisms is formed by the sliding grooves and the strip-shaped bulges.

Preferably, the radius of the bottom of the outer wall of the needle seat is larger than that of the outer wall above the needle seat.

Compared with the prior art, the utility model discloses following technological effect has:

1. the utility model has no need of taking down the outer protective cap, thereby avoiding the loss of the outer protective cap;

2. the utility model is convenient to operate when the sleeve is returned by one hand, and reduces the risk of needle-prick injury;

3. the utility model discloses simple structure, the cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic longitudinal sectional view of the outer protective cap of the embodiment when it is retracted;

FIG. 2 is a schematic longitudinal sectional view of the outer protective cap of the embodiment when it is deployed;

fig. 3 is a front view structural schematic diagram of the needle holder of the embodiment;

FIG. 4 is a schematic top view of the needle holder of the embodiment;

FIG. 5 is a schematic top view of the outer protective cap according to the embodiment;

FIG. 6 is an enlarged view of a portion of FIG. 1 at A;

FIG. 7 is an enlarged view of a portion of FIG. 2 at B;

icon: 1-a needle seat, 101-a first stopping bulge, 102-a second stopping bulge, 103-a strip bulge, 2-an outer protective cap, 201-a bulge, 202-a limiting bulge, 203-a chute, 3-an inner needle cap and 4-a needle head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The utility model relates to an insulin needle, which comprises a needle base 1, an inner needle cap 3 and a needle head 4, wherein the needle head 4 is arranged at the front end of the needle base 1, and the inner needle cap 3 covers the needle head 4; the needle protection device further comprises an outer protection cap 2, the outer protection cap 2 is in sliding connection with the outer side wall of the needle seat 1, the inner needle cap 3 is taken down firstly when the needle protection device is used, and only the outer protection cap 2 needs to slide along the axial direction of the needle seat 1 when the needle protection device is not used midway, so that the needle head 4 is covered by the outer protection cap 2 to prevent needle stick injury, and the operation is simple and convenient.

Preferably, the upper part of the outer wall of the needle base 1 is provided with a clamping groove, the clamping groove is formed by arranging a first blocking protrusion 101 and a second blocking protrusion 102 in parallel at intervals, the width of the first blocking protrusion 101 is smaller than that of the second blocking protrusion 102, and the first blocking protrusion 101 and the second blocking protrusion 102 are fixedly connected with the needle base 1 into a whole; the lower portion of the inner wall of the outer protective cap 2 is provided with a protrusion 201 corresponding to the clamping groove, a limiting protrusion 202 is arranged below the protrusion 201 in an abutting mode, and the limiting protrusion 202 is fixedly connected with the outer protective cap 2 into a whole.

Further, the width of the limiting protrusion 202 is equal to the width of the second stopping protrusion 102.

Further, the first retaining protrusion 101, the second retaining protrusion 102, and the protrusion 201 are annular.

Further, the protrusion 201 is made of rubber material.

Preferably, the inner wall of the outer protective cap 2 is provided with a sliding groove 203, the outer wall of the needle holder 1 is provided with a strip-shaped protrusion 103 corresponding to the sliding groove 203 on the outer protective cap 2, the sliding groove 203 and the strip-shaped protrusion 103 form a set of sliding mechanism, and the sliding mechanism can prevent the outer protective cap 2 and the needle holder 1 from rotating relatively to affect the operation.

Preferably, at least one set of sliding mechanisms is formed by the sliding groove 203 and the strip-shaped protrusion 103.

Further, the radius of the bottom of the outer wall of the needle seat 1 is larger than that of the outer wall above the needle seat.

Naturally, the invention is capable of other embodiments, and various modifications and changes can be made by those skilled in the art without departing from the spirit of the invention, but these modifications and changes are intended to fall within the scope of the appended claims.

Claims

1. An insulin needle comprises a needle base (1), an inner needle cap (3) and a needle head (4), wherein the needle head (4) is arranged at the front end of the needle base (1), and the inner needle cap (3) covers the needle head (4); the method is characterized in that: the needle seat is characterized by further comprising an outer protective cap (2), wherein the outer protective cap (2) is connected with the outer side wall of the needle seat (1) in a sliding mode.

2. An insulin needle according to claim 1, characterized in that: the upper part of the outer wall of the needle base (1) is provided with a clamping groove, the clamping groove is formed by arranging a first blocking protrusion (101) and a second blocking protrusion (102) in parallel at intervals, the width of the first blocking protrusion (101) is smaller than that of the second blocking protrusion (102), and the first blocking protrusion (101) and the second blocking protrusion (102) are fixedly connected with the needle base (1) into a whole; the lower portion of the inner wall of the outer protective cap (2) is provided with a protrusion (201) corresponding to the clamping groove, a limiting protrusion (202) is arranged below the protrusion (201) in a close mode, and the limiting protrusion (202) is fixedly connected with the outer protective cap (2) into a whole.

3. An insulin needle according to claim 2, characterized in that: the width of the limiting bulge (202) is equal to that of the second stopping bulge (102).

4. An insulin needle according to claim 2, characterized in that: the first blocking protrusion (101), the second blocking protrusion (102) and the protrusion (201) are annular.

5. An insulin needle according to claim 2, characterized in that: the bulge (201) is made of rubber materials.

6. An insulin needle according to claim 1, characterized in that: the inner wall of the outer protective cap (2) is provided with a sliding groove (203), the outer wall of the needle seat (1) is provided with a strip-shaped bulge (103) corresponding to the sliding groove (203) on the outer protective cap (2), and the sliding groove (203) and the strip-shaped bulge (103) form a group of sliding mechanisms.

7. An insulin needle according to claim 6, characterized in that: at least one group of sliding mechanisms are formed by the sliding grooves (203) and the strip-shaped protrusions (103).

8. An insulin needle according to claim 1, characterized in that: the bottom radius of the outer wall of the needle seat (1) is larger than the radius of the outer wall above the needle seat.