CN213698354U

CN213698354U - Insulin injection pen needle head not prone to needle breakage

Info

Publication number: CN213698354U
Application number: CN202021234880.6U
Authority: CN
Inventors: 张冰荫
Original assignee: Taihe Peoples Hospital
Current assignee: Taihe Peoples Hospital
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-07-16
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a needle head for an insulin injection pen, which is not easy to break, comprising a connecting cylinder, wherein the connecting cylinder is internally provided with a hollow structure, and the inner wall of the connecting cylinder is provided with connecting threads; the utility model discloses a needle file, including connecting cylinder, end plate, fixedly connected with annular seal ring, the annular fixed bolster of outside fixedly connected with of end plate, the fixed bolster adopts the silica gel material to make, the outside end fixedly connected with needle file of fixed bolster, the middle part of needle file is equipped with integrated into one piece's fixed station, the middle part fixedly connected with needle tubing of fixed station, the tip of needle tubing is equipped with the needle point that the inclined plane constitutes. The utility model discloses be connected between needle tubing and the connecting cylinder and have certain deflection to avoid the needle tubing to cause the broken needle phenomenon at the in-process of pricking.

Description

Insulin injection pen needle head not prone to needle breakage

The technical field is as follows:

the utility model relates to a syringe needle technical field for the injection pen especially relates to a syringe needle for insulin injection pen of difficult disconnected needle.

Background art:

diabetes is a group of metabolic diseases characterized by hyperglycemia. Hyperglycemia is caused by a defect in insulin secretion or an impaired biological action, or both. Hyperglycemia occurring in the long term of diabetes results in chronic damage to, and dysfunction of, various tissues, particularly the eyes, kidneys, heart, blood vessels, nerves. In the treatment of diabetes, one way is to use insulin injections. One mode of insulin injection is to adopt an insulin injection pen to subcutaneously inject insulin, the insulin injection pen is mainly convenient for diabetics to inject insulin by themselves, the trouble that the diabetics go back and forth to a hospital can be avoided, and as more and more people with diabetes are in use, the requirements of people on the insulin injection pen are higher and higher.

The end part of the insulin injection pen is connected with the needle head for the injection pen, and the needle inserting experience of a patient is not rich enough due to the fact that an operator is the patient, so that the needle head is easy to break in the using process, and great using hidden danger is brought to the user.

The utility model has the following contents:

the utility model aims to solve the technical problem that the needle of the existing insulin injection pen is easy to break, and provides a needle for the insulin injection pen which is not easy to break.

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

a needle head for an insulin injection pen with a non-breakable needle comprises a connecting cylinder, wherein the connecting cylinder is of a hollow structure, and a connecting thread for connecting the insulin injection pen is arranged on the inner wall of the connecting cylinder; the utility model discloses a syringe needle, including a connecting cylinder, end plate, fixed bolster, the annular seal ring of fixedly connected with on the lateral wall of the inside one side of connecting cylinder of being located of end plate, the annular fixed bolster of outside fixedly connected with of end plate, the fixed bolster adopts the silica gel material to make, the internal diameter of fixed bolster is unanimous with the internal diameter in logical liquid hole, the outside end fixedly connected with needle file of fixed bolster, the middle part of needle file is equipped with integrated into one piece's fixed station, the middle part fixedly connected with needle tubing of fixed station, the inner chamber of needle tubing is linked together with the inner chamber of connecting cylinder, the tip of needle tubing is equipped with the needle point that the inclined plane.

Further, the protective sheath has been inlayed to the outside card of needle tubing, be equipped with on the outer wall of fixed station to the first arch of week inner hump, the protective sheath is the open hollow structure of one end, the opening end of protective sheath is towards the needle file, it is protruding to be equipped with the inside bellied second of week on the inner wall of protective sheath, first bellied external diameter is greater than the bellied internal diameter of second, the protruding inlay card of second is spacing in first bellied needle file one side of being close to.

Furthermore, the outer wall of the protective sleeve is provided with a plurality of circles of anti-skidding grooves, and the anti-skidding grooves are formed in the middle of the protective sleeve.

Furthermore, the outer side of the end plate is fixedly connected with a limiting sleeve, the limiting sleeve is located on the outer side of the fixing pad, the distance between the needle point of the needle tube which leaks outwards at the outer end of the limiting sleeve is set to be a preset distance, and the limiting sleeve is used for limiting the penetration depth of the needle tube.

Furthermore, a first through hole is formed in the outer wall of the limiting sleeve, and a plurality of first through holes are formed in the outer wall of the limiting sleeve at equal intervals. The first through hole is used for ventilation and observation when the needle tube is pricked into a human body.

Furthermore, a plurality of raised anti-skid edges which are axially arranged are arranged on the outer wall of the connecting cylinder.

The utility model provides a pair of insulin syringe needle for pen of difficult disconnected needle has following beneficial effect: the needle tube is fixed on the needle seat, the needle seat is connected to an end plate at the end part of the connecting cylinder through the fixing pad, the connecting cylinder is connected to the end part of the insulin injection pen through threads, and the fixing pad is made of a silica gel material, so that a certain deformation is formed in the connection between the needle tube and the connecting cylinder, the needle breakage phenomenon of the needle tube in the needle inserting process is avoided, and the needle is not easy to break; the protective sleeve is clamped on the fixing table through the first bulge and the second bulge, so that the protective sleeve is convenient to mount and protects the needle tube; the outer wall of the protective sleeve is provided with an anti-slip groove, so that the protective sleeve can be conveniently pulled out and clamped in; the limiting sleeve is arranged on the outer side of the end plate, so that the needle tube is prevented from being punctured too deeply, and the patient is injured; the outer wall of the limiting sleeve is provided with a first through hole, so that ventilation and observation are facilitated.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:

fig. 1 is a schematic view of a front view structure of a needle head of an insulin injection pen with a non-breakable needle provided by the present invention;

FIG. 2 is a partial structural view of the portion A in FIG. 1;

fig. 3 is a partial structural diagram of a portion B in fig. 1.

The reference numbers in the figures illustrate: 1. a connecting cylinder; 11. an end plate; 12. a liquid through hole; 13. anti-skid edge corrugation; 2. a sealing gasket; 3. a fixing pad; 4. a needle seat; 41. a fixed table; 42. a first protrusion; 5. a needle tube; 51. a needle tip; 6. a protective sleeve; 61. a second protrusion; 62. an anti-slip groove; 7. a limiting sleeve; 71. a first via.

The specific implementation mode is as follows:

it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings) -motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.

As shown in fig. 1-3, a needle head for an insulin injection pen, which is not easy to break, comprises a connecting cylinder 1, wherein the connecting cylinder 1 is hollow, and the inner wall of the connecting cylinder 1 is provided with a connecting thread for connecting the insulin injection pen; end plate 11 integrative with connecting cylinder 1 is seted up to the tip of connecting cylinder 1, liquid through hole 12 has been seted up on end plate 11, the annular seal ring of fixedly connected with 2 on the lateral wall of one side of the inside of connecting cylinder 1 that is located of end plate 11, the annular fixed bolster 3 of outside fixedly connected with of end plate 11, fixed bolster 3 adopts the silica gel material to make, the internal diameter of fixed bolster 3 is unanimous with the internal diameter of liquid through hole 12, the outside end fixedly connected with needle file 4 of fixed bolster 3, the middle part of needle file 4 is equipped with integrated into one piece's fixed station 41, the middle part fixedly connected with needle tubing 5 of fixed station 41, the inner chamber of needle tubing 5 is linked together with the inner chamber of connecting cylinder 1, the tip of needle tubing 5 is equipped with the needle point 51 that the inclined plane constitutes.

It is specific, the outside inlay card of needle tubing 5 has protective sheath 6, be equipped with on the outer wall of fixed station 41 to bellied first arch 42 in the border, protective sheath 6 is the open hollow structure of one end, the opening end of protective sheath 6 is towards needle file 4, be equipped with the bellied second arch 61 of border inside on the inner wall of protective sheath 6, the external diameter of first arch 42 is greater than the internal diameter of the bellied 61 of second, the bellied 61 inlay card of second is spacing in first arch 42 be close to 4 one sides of needle file.

Specifically, the outer wall of the protective sheath 6 is provided with a plurality of circles of anti-slip grooves 62, and the anti-slip grooves 62 are formed in the middle of the protective sheath 6.

Specifically, the outer side of the end plate 11 is fixedly connected with a limiting sleeve 7, the limiting sleeve 7 is located on the outer side of the fixing pad 3, the distance from the needle point 51 of the needle tube 5 which leaks out of the limiting sleeve 7 is set to be a preset distance, and the limiting sleeve 7 is used for limiting the pricking depth of the needle tube 5.

Specifically, a first through hole 71 is formed in the outer wall of the position limiting sleeve 7, and the first through hole 71 is provided with a plurality of through holes which are arranged on the outer wall of the position limiting sleeve 7 at equal intervals. The first through hole 71 is used for ventilation and observation when the needle tube 5 is inserted into a human body.

Specifically, the outer wall of the connecting cylinder 1 is provided with a plurality of raised anti-skid edges 13 which are axially arranged.

By adopting the technical scheme, the needle tube 5 is fixed on the needle seat 4, the needle seat 4 is connected on the end plate 11 at the end part of the connecting cylinder 1 through the fixing pad 3, the connecting cylinder 1 is connected at the end part of the insulin injection pen through threads, and the fixing pad 3 is made of silica gel materials, so that a certain deformation amount is formed in the connection between the needle tube 5 and the connecting cylinder 1, the needle breaking phenomenon caused by the needle tube 5 in the needle inserting process is avoided, and the needle is not easy to break; the protective sleeve 6 is clamped on the fixing table 41 through the first bulge 42 and the second bulge 61, so that the protective sleeve 6 is convenient to mount and protects the needle tube 5; the outer wall of the protective sleeve 6 is provided with an anti-slip groove 62, so that the protective sleeve 6 can be conveniently pulled out and clamped in; the limiting sleeve 7 is arranged on the outer side of the end plate 11, so that the needle tube 5 is prevented from being punctured too deeply, and the injury to a patient is avoided; the outer wall of the limiting sleeve 7 is provided with a first through hole 71, so that ventilation and observation are facilitated.

The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.

Claims

1. The utility model provides a syringe needle for insulin injection pen of difficult disconnected needle which characterized in that: the insulin injection pen comprises a connecting cylinder (1), wherein the connecting cylinder (1) is of a hollow structure, and connecting threads for connecting an insulin injection pen are arranged on the inner wall of the connecting cylinder (1); the end part of the connecting cylinder (1) is provided with an end plate (11) which is integrated with the connecting cylinder (1), a liquid through hole (12) is formed in the end plate (11), an annular sealing gasket (2) is fixedly connected to the side wall of one side of the end plate (11) positioned in the connecting cylinder (1), the outer side of the end plate (11) is fixedly connected with an annular fixed pad (3), the fixed pad (3) is made of silica gel material, the inner diameter of the fixing pad (3) is consistent with the inner diameter of the liquid through hole (12), the outer side end of the fixing pad (3) is fixedly connected with a needle seat (4), the middle part of the needle seat (4) is provided with an integrally formed fixing platform (41), the middle part of the fixing platform (41) is fixedly connected with a needle tube (5), the inner cavity of the needle tube (5) is communicated with the inner cavity of the connecting cylinder (1), and the end part of the needle tube (5) is provided with a needle point (51) formed by an inclined plane.

2. The needle head for an insulin injection pen, which is not easily broken, according to claim 1, wherein: protective sheath (6) have been inlayed to the outside card of needle tubing (5), be equipped with on the outer wall of fixed station (41) to bellied first arch (42) in the border, protective sheath (6) are the open hollow structure of one end, the opening end of protective sheath (6) is towards needle file (4), be equipped with the bellied second arch (61) of border inside on the inner wall of protective sheath (6), the external diameter of first arch (42) is greater than the internal diameter of the protruding (61) of second, the protruding (61) inlay card of second is spacing in being close to needle file (4) one side of first arch (42).

3. The needle head for an insulin injection pen, which is not easily broken, according to claim 2, wherein: the anti-skidding protective sleeve is characterized in that a plurality of circles of anti-skidding grooves (62) are formed in the outer wall of the protective sleeve (6), and the anti-skidding grooves (62) are formed in the middle of the protective sleeve (6).

4. The needle head for an insulin injection pen, which is not easily broken, according to claim 1, wherein: the outside fixed connection stop collar (7) of end plate (11), stop collar (7) are located the outside of fixed bolster (3), the outer end distance that leaks outside needle point (51) of needle tubing (5) at stop collar (7) sets up to the predetermined distance, stop collar (7) are used for restricting the depth of pricking of needle tubing (5).

5. The needle head of claim 4, wherein the needle head comprises: the outer wall of the limiting sleeve (7) is provided with a first through hole (71), and the first through hole (71) is provided with a plurality of outer walls which are arranged on the limiting sleeve (7) at equal intervals.

6. The needle head for an insulin injection pen, which is not easily broken, according to claim 1, wherein: a plurality of raised anti-skid edges (13) which are axially arranged are arranged on the outer wall of the connecting cylinder (1).