CN115192828A

CN115192828A - Safe insulin pen needle

Info

Publication number: CN115192828A
Application number: CN202210715132.7A
Authority: CN
Inventors: 余刚; 卢金云; 姚静; 徐鸣
Original assignee: Anhui Hongyu Wuzhou Medical Manufacturer Co ltd
Current assignee: Anhui Hongyu Wuzhou Medical Manufacturer Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-18

Abstract

The invention discloses a safe insulin pen needle in the technical field of insulin injection tools, which comprises a needle seat assembly, wherein the needle seat assembly comprises a needle seat, a spring groove is arranged on the needle seat, a spring is arranged on the spring groove, a track and a guide groove are arranged on the needle seat, and the track and the guide groove are mutually communicated; the inner sheath assembly comprises an inner sheath connected with the spring, wherein the inner wall of the inner sheath is provided with a salient point, and the salient point is matched with the track; the outer sheath assembly comprises an outer sheath movably connected to the inner sheath; a headgear assembly comprising a headgear; through setting up the spring, can make the inner sheath bounce activation safety device in the use, when using, the human body is worn to the needle tubing and the extrusion inner sheath is worn, and the bump on the inner sheath moves down the below along the track, and when the device activated, the bump on the inner sheath moved up.

Description

Safe insulin pen needle

Technical Field

The invention relates to the technical field of insulin injection tools, in particular to a safe insulin pen needle.

Background

An insulin pen is an injection device for injecting insulin, and is called as an insulin pen because the appearance of the insulin pen is exactly like that of a pen used at ordinary times; the insulin pen alone is not enough, and a needle head specially configured for the insulin pen, namely an insulin needle head, is needed to inject liquid medicine into a human body.

The safety of the existing insulin needle is poor, and the use is not facilitated, so that a safe insulin pen needle is provided.

Disclosure of Invention

The present invention is directed to a safety insulin pen needle to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a safe insulin pen needle comprises a needle seat assembly, wherein the needle seat assembly comprises a needle seat, a spring groove is formed in the needle seat, a spring is arranged in the spring groove, a track and a guide groove are formed in the needle seat, and the track and the guide groove are communicated with each other; the inner sheath assembly comprises an inner sheath connected with the spring, wherein the inner wall of the inner sheath is provided with a salient point, and the salient point is matched with the track; the outer sheath assembly comprises an outer sheath movably connected to the inner sheath; a headgear assembly comprising a headgear; the needle tube is arranged on the needle seat.

As a preferable scheme of the safe insulin pen needle, the safe insulin pen needle comprises the following components: the track, the guide groove and the salient points are symmetrically provided with two.

As a preferable scheme of the safe insulin pen needle of the present invention, wherein: and locking ribs are arranged at the bottoms of the two sides of the needle seat.

As a preferable scheme of the safe insulin pen needle of the present invention, wherein: and the upper parts of the two sides of the inner sheath are provided with fixing grooves.

As a preferable scheme of the safe insulin pen needle, the safe insulin pen needle comprises the following components: the lower parts of the two sides of the inner sheath are provided with clamping grooves, and the edges of the clamping grooves are provided with chamfers.

As a preferable scheme of the safe insulin pen needle, the safe insulin pen needle comprises the following components: the outer jacket is symmetrically provided with two locking blocks with the same structure, the end parts of the locking blocks are inwards protruded, and the locking blocks are buckled with the clamping grooves.

As a preferable scheme of the safe insulin pen needle, the safe insulin pen needle comprises the following components: the inner wall of the outer sheath is provided with an inner side groove, and the inner side groove is matched and locked with the locking rib.

As a preferable scheme of the safe insulin pen needle, the safe insulin pen needle comprises the following components: and outer side grooves are uniformly formed in the bottom of the outer side of the outer sheath.

As a preferable scheme of the safe insulin pen needle of the present invention, wherein: two thumb buckles with the same structure are symmetrically arranged on the protective cap.

As a preferable scheme of the safe insulin pen needle of the present invention, wherein: the lower extreme inboard of helmet is provided with four vertical ribs that the structure is the same one, and erects rib one and outside groove fit locking, the upper end inboard of helmet is provided with two vertical ribs two that the structure is the same, and erects rib two and is connected with the fixed slot cooperation.

Compared with the prior art, the invention has the beneficial effects that: the spring is arranged, so that the inner sheath can be bounced to activate the safety device in the using process, when the safety device is used, the needle tube breaks through a human body and extrudes the inner sheath, the convex points on the inner sheath move downwards along the track to the lower part, and when the safety device is activated, the convex points on the inner sheath move upwards; the locking block is buckled with the clamping groove, and the convex part of the locking block on the outer sheath is buckled at the position during assembly, so that the product can be prevented from being activated by mistake before use; the both sides upper portion of sheath all set up be used for with helmet complex fixed slot including, prevent that the product from being activated in the transportation, greatly improved the security of product.

Drawings

FIG. 1 is a schematic view of the overall structure of a safety insulin pen needle according to the present invention;

FIG. 2 is a schematic structural view of a needle holder assembly of a safety insulin pen needle according to the present invention;

FIG. 3 is a schematic view of the inner sheath assembly of the safety insulin pen needle according to the present invention;

FIG. 4 is a schematic view of a bump structure of a safety insulin pen needle according to the present invention;

FIG. 5 is a schematic structural view of an outer sheath assembly of a safety insulin pen needle according to the present invention;

FIG. 6 is a schematic view of a protective cap assembly of the safety insulin pen needle according to the present invention;

fig. 7 is a schematic structural diagram of a first vertical rib and a second vertical rib of the safety insulin pen needle.

In the figure: 101. a needle seat; 102. a spring slot; 103. a spring; 104. a track; 105. a guide groove; 106. locking ribs; 201. an inner sheath; 202. salient points; 203. fixing grooves; 204. a card slot; 301. an outer sheath; 302. a locking block; 303. an inner groove; 304. an outer groove; 401. a protective cap; 402. a thumb buckle; 403. a first vertical rib; 404. a second vertical rib; 500. a needle cannula.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 7, a safety insulin pen needle comprises a needle seat assembly, which comprises a needle seat 101, wherein a spring groove 102 for installing a spring 103 is arranged on the needle seat 101, the spring 103 is arranged on the spring groove 102, the spring 103 is used for activating a safety device by an inner sheath 201 in the using process, a track 104 and a guide groove 105 are arranged on the needle seat 101, and the track 104 and the guide groove 105 are communicated with each other; the inner sheath assembly comprises an inner sheath 201 connected with the spring 103, wherein a salient point 202 is arranged on the inner wall of the inner sheath 201, the salient point 202 is matched with the track 104, the salient point 202 in the inner sheath 201 can slide in the track 104, and the guide groove 105 is used for guiding the salient point 202 in the inner sheath 201 when the inner sheath 201 is assembled, as shown in fig. 2, the position where the salient point 202 of the inner sheath 201 is located before being used is a position a; when the needle tube 500 is used, the needle tube 500 penetrates through a human body and extrudes the inner sheath 201, and the salient points 202 on the inner sheath 201 move downwards to the position b along the track 104; when the device is activated, the position of the salient point 202 on the inner sheath 201 is a position c; the outer sheath assembly comprises an outer sheath 301 movably connected to the inner sheath 201; a cap assembly comprising a cap 401; the needle tube 500, the needle tube 500 is arranged on the needle base 101.

Two rails 104, two guide grooves 105 and two salient points 202 are symmetrically arranged, wherein the center of each rail 104 is symmetrically arranged, so that the stability of the salient points 202 in use can be improved.

The lower parts of the two sides of the inner sheath 201 are respectively provided with a clamping groove 204, and the edge of the clamping groove 204 is provided with a chamfer; two locking pieces 302 with the same structure are symmetrically arranged on the outer sheath 301, the end parts of the locking pieces 302 protrude inwards, the locking pieces 302 are buckled with the clamping grooves 204, the protruding parts of the locking pieces 302 on the outer sheath 301 are buckled at the positions when the outer sheath is assembled, the product can be prevented from being activated by mistake before use, and the inner sheath 201 can slide freely on the needle seat 101 when the needle seat is used conveniently due to the chamfer; the end of the locking piece 302 protrudes inwards, and is buckled in the clamping groove 204 of the inner sheath 201 during assembly, and after the device is activated, the locking piece props against the bottom round surface of the inner sheath 201, so that the inner sheath 201 cannot fall down any more.

The bottoms of the two sides of the needle seat 101 are provided with locking ribs 106; an inner groove 303 is formed in the inner wall of the outer sheath 301, and the inner groove 303 is matched and locked with the locking rib 106, so that the needle holder 101 is matched and locked with the outer sheath 301.

The outer side bottom of the outer sheath 301 is uniformly provided with outer side grooves 304 which are used for being matched and fastened with a protective cap 401; fixing grooves 203 are formed in the upper portions of the two sides of the inner sheath 201, and the fixing grooves 203 are used for being matched with the protective cap 401 to prevent products from being activated in the transportation process; four vertical ribs 403 with the same structure are arranged on the inner side of the lower end of the protective cap 401, the vertical ribs 403 are matched and locked with the outer groove 304, two vertical ribs 404 with the same structure are arranged on the inner side of the upper end of the protective cap 401, and the vertical ribs 404 are matched and connected with the fixing groove 203.

Example 2

Referring to fig. 6, two thumb buttons 402 with the same structure are symmetrically arranged on a protective cap 401, so that a user can conveniently hold the product and screw the product onto an insulin pen.

The rest of the structure was the same as in example 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A safe insulin pen needle which is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the needle stand assembly comprises a needle stand (101), wherein a spring groove (102) is formed in the needle stand (101), a spring (103) is arranged in the spring groove (102), a track (104) and a guide groove (105) are formed in the needle stand (101), and the track (104) and the guide groove (105) are communicated with each other;

the inner sheath assembly comprises an inner sheath (201) connected with the spring (103), wherein a salient point (202) is arranged on the inner wall of the inner sheath (201), and the salient point (202) is matched with the track (104);

the outer sheath assembly comprises an outer sheath (301) movably connected to the inner sheath (201);

a cap assembly comprising a cap (401);

the needle tube (500), needle tube (500) sets up on needle file (101).

2. The safety insulin pen needle as claimed in claim 1, characterized in that: the two rails (104), the two guide grooves (105) and the two salient points (202) are symmetrically arranged.

3. The safety insulin pen needle as claimed in claim 1, characterized in that: and locking ribs (106) are arranged at the bottoms of the two sides of the needle seat (101).

4. The safety insulin pen needle as claimed in claim 1, characterized in that: and the upper parts of two sides of the inner sheath (201) are provided with fixing grooves (203).

5. The safety insulin pen needle as claimed in claim 1, characterized in that: the lower parts of two sides of the inner sheath (201) are provided with clamping grooves (204), and the edges of the clamping grooves (204) are provided with chamfers.

6. The safety insulin pen needle as claimed in claim 5, wherein: two locking pieces (302) with the same structure are symmetrically arranged on the outer sheath (301), the end portions of the locking pieces (302) are protruded inwards, and the locking pieces (302) are buckled with the clamping grooves (204).

7. The safety insulin pen needle as claimed in claim 3, wherein: the inner wall of the outer sheath (301) is provided with an inner side groove (303), and the inner side groove (303) is matched and locked with the locking rib (106).

8. The safety insulin pen needle as claimed in claim 4, characterized in that: and outer side grooves (304) are uniformly formed in the bottom of the outer side of the outer sheath (301).

9. The safety insulin pen needle as claimed in claim 1, characterized in that: the protective cap (401) is symmetrically provided with two thumb buttons (402) with the same structure.

10. The safety insulin pen needle as claimed in claim 8, characterized in that: the lower extreme inboard of helmet (401) is provided with four vertical ribs (403) that the structure is the same, and vertical rib (403) and outside recess (304) cooperation locking, the upper end inboard of helmet (401) is provided with two vertical ribs (404) that the structure is the same, and vertical rib two (404) and fixed slot (203) cooperation are connected.