CN215024131U - Make things convenient for insulin pen syringe needle of buckle - Google Patents

Abstract

The utility model relates to the field of medical equipment, especially relate to an insulin pen syringe needle of convenient buckle, including outer needle cap, interior needle cap, needle tubing and syringe needle base, needle tubing and interior needle cap are all fixed on the syringe needle base, and the needle tubing is located interior needle cap inboard, and outer needle cap suit is in the syringe needle base outside, and be equipped with on the outer needle cap with the hasp assorted bayonet socket of syringe needle base, this application can be in the back protection syringe needle of injection completion, reduce the problem of stabbing, improve the security.

Description

Make things convenient for insulin pen syringe needle of buckle

Technical Field

The application relates to the field of medical appliances, in particular to an insulin pen needle head with a convenient buckle.

Background

The needle head of the insulin injection pen mainly comprises a sheath, a needle tube and a needle seat, and is a medical apparatus convenient for injecting insulin. However, the existing insulin pen needle still has some risk factors in the process of injecting insulin to a patient.

The prior insulin pen has the advantages that the needle head of the prior insulin pen is packaged in the packaging bag and the aseptic needle cap before being used, the prior insulin pen needs to be used immediately after being unsealed, the needle head after being used is easily accidentally injured by hands of patients or medical care personnel before being sleeved with the aseptic needle cap or being thrown into a medical garbage can/garbage can for centralized treatment, and the patients or the medical care personnel after being pricked are easily infected by bacteria and viruses, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Based on this, this application provides one kind can be in the injection completion back protection syringe needle, reduces the needle stick and hinders the problem, improves the insulin pen syringe needle of the convenient buckle of security.

The application provides an insulin pen syringe needle of convenient buckle, including outer needle cap, interior needle cap, needle tubing and syringe needle base, needle tubing and interior needle cap are all fixed on the syringe needle base, and the needle tubing is located interior needle cap inboard, outer needle cap suit is in the syringe needle base outside, and is equipped with the hasp assorted bayonet socket with the syringe needle base on the outer needle cap.

Specifically, be equipped with class triangle-shaped breach on the outer wall of syringe needle base, the hasp is fixed on the syringe needle base edge outside the breach, and when the hasp received outside extrusion, the hasp got into inside the breach.

Specifically, the triangular notches are respectively arranged at 180-degree positions of the needle head base, and the two triangular notches are asymmetric in shape.

Specifically, the distance between the outermost sides of the two lock catches is not more than the length of the inner diameter of the outer needle cap.

Specifically, the inner wall of the outer needle cap is provided with a clamping seat, the clamping seat is composed of two clamping pieces with cross sections similar to a triangle, the clamping seat is a gap between the two clamping pieces, and the longest side of each clamping piece is an arc-shaped side.

Specifically, the two clamping seats are respectively arranged at the positions of 180 degrees opposite to the inner wall of the outer needle cap, and the shapes of the two clamping seats are mutually symmetrical.

Specifically, be equipped with the rand structure on the outer needle cap inside wall, and rand structure and hasp contact.

Specifically, the needle tube material selects stainless steel, and outer needle cap, interior needle cap, hasp and syringe needle base material all select polypropylene.

Compared with the prior art, the utility model has the following characteristics and beneficial effect:

1. after the injection is finished, the lock catch of the needle head base can be locked and fixed with the bayonet on the outer needle cap, so that the outer needle cap and the needle head base are firmly fixed, the needle head is well protected, and the needle stick injury event caused by the slippage of the outer needle cap when the needle head is taken down is prevented;

2. compare in traditional no fixed mode's back cover outer needle cap, this application adopts comparatively convenient hasp fixed mode, when taking off disposable insulin pen syringe needle promptly, only need cover outer needle cap and drive the bayonet socket and rotate, make the bayonet socket of outer needle cap and the hasp straining of syringe needle base, rotate the syringe needle base after the straining and take off from insulin pen pole again, thereby take out whole insulin syringe needle, conveniently abandon, and avoid abandoning the outer needle cap after and drop from the syringe needle base, then take place the bad incident that the needle stick was hindered.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in related arts, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a longitudinal anatomical view of the present invention;

FIG. 3 is a cross-sectional view of the needle base of the present invention;

FIG. 4 is a cross-sectional view of the outer needle cap and the holder of the present invention;

fig. 5 is a cross-sectional view of the utility model when the lock catch and the bayonet are not fixed;

fig. 6 is a cross-sectional view of the utility model when the lock catch is fixed with the bayonet.

Reference numerals: 1. an outer needle cap; 2. an inner needle cap; 3. a needle tube; 4. locking; 5. a needle base; 6. a bayonet; 7. a collar structure; 8. a notch; 9. a card.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the examples in this application, are within the scope of protection of this application.

It should be understood by those skilled in the art that technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those having ordinary skill in the art to which this application belongs. "connected" or "coupled" and like terms are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect; the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship as shown in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above-described terms are not to be construed as limiting the invention.

Referring to fig. 1-6, an insulin pen needle convenient for buckling is provided in the embodiment of the present application, which comprises an outer needle cap 1, an inner needle cap 2, a needle tube 3 and a needle base 5, wherein the needle tube 3 and the inner needle cap 2 are both fixed on the needle base 5, and the needle tube 3 is located inside the inner needle cap 2, the outer needle cap 1 is sleeved outside the needle base 5, and a bayonet 6 matched with a latch 4 of the needle base 5 is arranged on the outer needle cap 1, and the latch 4 of the needle base 5 is locked and fixed with the bayonet 6 on the outer needle cap 1, so that the outer needle cap 1 is firmly fixed with the needle base 5, the needle is protected well, and the outer needle cap 1 is prevented from slipping when the needle is taken down and a needle stick injury event occurs.

It is specific, be equipped with type triangle-shaped breach 8 on syringe needle base 5's the outer wall, hasp 4 is fixed on syringe needle base 5 edge in the 8 outsides of breach, when hasp 4 receives outside extrusion, hasp 4 gets into inside breach 8, be equipped with the cassette on the 1 inner wall of outer needle cap, the cassette comprises two cross sections similar triangle-shaped's card 9, bayonet socket 6 is the space between two card 9, card 9 longest limit is an arc limit, make outer needle cap 1 when driving bayonet socket 6 and rotate, card 9 can extrude hasp 4 and get into inside breach 8, it can leave card 9 and insert bayonet socket 6 to be located bayonet socket 6 when hasp 4, then make bayonet socket 6 of outer needle cap 1 and 4 straining of the hasp of syringe needle base 5.

Specifically, class triangle-shaped breach 8 respectively sets up one in the relative 180 positions of syringe needle base 5, and two class triangle-shaped breach 8's shape asymmetry, and the cassette respectively sets up one in the relative 180 positions of outer needle cap 1 inner wall, and the shape of two cassettes is symmetrical each other, fixes on two bayonets 6 through using two hasp 4, improves fixed effect.

Specifically, the distance between the outermost sides of the two lock catches 4 is not larger than the length of the inner diameter of the outer needle cap 1, and the lock catches 4 can be guaranteed to rotate smoothly inside the outer needle cap 1.

Specifically, be equipped with rand structure 7 on the outer needle cap 1 inside wall, and rand structure 7 and hasp 4 contact are injectd the position between with outer needle cap 1 and syringe needle base 5 through rand structure 7, guarantee that hasp 4 and bayonet 6 are located the coplanar.

Specifically, the needle tube 3 is made of stainless steel, and the outer needle cap 1, the inner needle cap 2, the lock catch 4 and the needle head base 5 are made of polypropylene.

In summary, the insulin pen needle head convenient for buckling provided by the embodiment of the present application is used by first fixing the needle head base 5 of the insulin pen needle head on the insulin pen rod in a screwing manner, then sequentially removing the outer needle cap 1 and the inner needle cap 2, and then performing an injection operation, when the disposable insulin pen needle head is to be removed after the injection is completed, firstly covering the outer needle cap 1 and rotating the outer needle cap 1 or the needle head base 5, wherein the latch 4 is squeezed by the card 9 in the outer needle cap 1 during the rotation process and enters the notch 8, and when the latch 4 is rotated to the bayonet 6, the latch 4 leaves the card 9 and is inserted into the bayonet 6, so that the bayonet 6 of the outer needle cap 1 is fastened with the latch 4 of the insulin pen base 5, and then the insulin pen base 5 is rotated and removed from the insulin pen rod after being fastened, thereby taking out the whole insulin pen needle head, facilitating the abandoning, and avoiding the outer needle cap 1 after being abandoned falling off from the needle head base 5, then the adverse events of needle stick injuries occur.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. The utility model provides a make things convenient for insulin pen syringe needle of buckle which characterized in that includes: outer needle cap (1), interior needle cap (2), needle tubing (3) and syringe needle base (5), needle tubing (3) and interior needle cap (2) are all fixed on syringe needle base (5), and needle tubing (3) are located interior needle cap (2) inboard, outer needle cap (1) suit is in the syringe needle base (5) outside, and is equipped with on outer needle cap (1) with hasp (4) assorted bayonet socket (6) of syringe needle base (5).

2. The insulin pen needle convenient for buckling as claimed in claim 1, wherein the outer wall of the needle base (5) is provided with a triangle-like notch (8), the lock catch (4) is fixed on the edge of the needle base (5) outside the notch (8), and when the lock catch (4) is pressed from outside, the lock catch (4) enters into the notch (8).

3. The insulin pen needle convenient for buckling as claimed in claim 2, wherein the triangular notches (8) are respectively arranged at 180 degrees opposite to the needle base (5), and the two triangular notches (8) are asymmetric in shape.

4. A snap-on insulin pen needle as claimed in claim 3, characterized in that the distance between the outermost sides of the two latches (4) is not more than the length of the inner diameter of the outer needle cap (1).

5. The insulin pen needle convenient for buckling as claimed in claim 1, wherein the inner wall of the outer needle cap (1) is provided with a clamping seat, the clamping seat is composed of two clamping pieces (9) with triangular cross sections, the clamping seat (6) is a gap between the two clamping pieces (9), and the longest side of the clamping piece (9) is an arc-shaped side.

6. The insulin pen needle convenient for buckling as claimed in claim 5, wherein the clamping seats are respectively arranged at 180 degrees opposite to the inner wall of the outer needle cap (1), and the shapes of the two clamping seats are symmetrical to each other.

7. A snap-on insulin pen needle as claimed in claim 1, wherein the inner side wall of the outer needle cap (1) is provided with a collar structure (7), and the collar structure (7) contacts with the latch (4).

8. The insulin pen needle convenient for buckling as claimed in claim 1, wherein the needle tube (3) is made of stainless steel, and the outer needle cap (1), the inner needle cap (2), the lock catch (4) and the needle base (5) are made of polypropylene.

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