CN217660975U

CN217660975U - Quick detach formula insulin syringe

Info

Publication number: CN217660975U
Application number: CN202120824013.6U
Authority: CN
Inventors: 张至英; 谭利凯; 朱青青; 李丹; 邓利霞; 刘姝玲; 吴嘉敏
Original assignee: Sixth Affiliated Hospital of Sun Yat Sen University
Current assignee: Sixth Affiliated Hospital of Sun Yat Sen University
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-10-28
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a quick detach formula insulin syringe, including propeller, insulin storage bottle, protection piece, injection head and shield, the tip of propeller is pegged graft on one end inner wall of insulin storage bottle, and the other end of insulin storage bottle is equipped with the plug bush, the insulin storage bottle is connected with the injection head through the plug bush, and the protection piece is located the junction cavity of plug bush and injection head, the bottom outside joint of shield is at the top outer wall of injection head, the perpendicular grafting in inner wall middle part of injection head has the double-ended needle. The utility model discloses well rapid disassembly structure is through both sides bullet knot fixed joint, and the protective sheath structure is through rotating, and not hard up card foot and buckle structure utilize the ejecting sheath of spring, and the sheath pops out and protects the syringe needle and expose the part, and rapid disassembly structure and protective sheath pop-up structure all realize through rotating, can realize that rapid disassembly and protective sheath pop-up realize simultaneously, and the rotation protection that can be quick is demolishd, and is safe effective more.

Description

Quick detach formula insulin syringe

Technical Field

The utility model relates to an insulin injection technical field especially relates to a quick detach formula insulin syringe.

Background

An insulin syringe is a syringe for injecting insulin, and the syringe is composed of a needle cap, an injection needle, a needle cylinder, a propeller and the like. Patients often self-administer such drugs.

The existing syringe needle is rotationally connected into a needle cylinder through threads, after injection is finished, the needle needs to be repeatedly rotated so as to screw down the needle part and discard the needle, however, in the process of repeatedly screwing the needle, a hand is easily pricked by the exposed needle, and the risk of cross infection is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a quick-release insulin syringe.

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

the utility model provides a quick detach formula insulin syringe, includes propeller, insulin storage bottle, protection piece, injection head and shield, the tip of propeller is pegged graft on the one end inner wall of insulin storage bottle, and the other end of insulin storage bottle is equipped with the plug bush, the insulin storage bottle is connected with the injection head through the plug bush, and the protection piece is located the junction cavity of plug bush and injection head, the bottom outside joint of shield is at the top outer wall of injection head, the perpendicular grafting in inner wall middle part of injection head has the double-ended needle, the tip inner wall of insulin storage bottle is equipped with the shutoff and blocks up, and the one end of double-ended needle is pegged graft on the inner wall of shutoff, the both sides outer wall of injection head all is equipped with the bullet and detains the recess, it is fixed mutually through bullet knot and bullet knot recess to peg graft between head and the plug bush.

As a further aspect of the present invention, the protection member includes a sheath, a locking leg and a support spring, the locking leg is symmetrically disposed on outer walls of both sides of the sheath, and the support spring is disposed between an inner wall of the plug bush and the sheath.

As a further aspect of the present invention, the plug bush further includes a buckle, and the buckle is located on the inner walls of both sides of the top end of the plug bush, the inner wall of the buckle and the outer wall of the clip are fixed to each other in a clamping manner.

As a further proposal of the utility model, one side of the injection head close to the double-ended needle is provided with a sheath ejection groove, and the outer wall sliding connection of the sheath is on the inner wall of the sheath ejection groove.

As a further proposal of the utility model, the cross-section of the sheath and the sheath ejecting groove is a three-quarter ring structure, and the ejecting length of the sheath is the same as the outside length of the double-ended needle positioned on the injection head.

As a further proposal of the utility model, the bottom outside of the sheath is composed of the clamping foot to form a limit edge, and the width of the limit edge is larger than the inner diameter width of the ejection groove of the sheath.

The beneficial effects of the utility model are that:

1. the syringe is provided with a quick-release structure at the existing needle head mounting part, wherein the quick-release structure is fixedly clamped and connected through elastic buckles at two sides, when the syringe is dismounted, the needle head part can be easily removed by extruding the elastic buckles, and the syringe is convenient to dismount;

2. the quick-release structure of the injector is cooperated with a protective sleeve structure, the protective sleeve structure loosens the clamping pin and the buckle structure through rotation, the spring is used for ejecting the protective sleeve, the protective sleeve ejects out to protect the exposed part of the needle head, the probability that a user touches the needle head is reduced, and the user is effectively protected;

3. quick detach and protective sheath pop up in this syringe realize, and the accessible is pressed the bullet and is buckled and slightly rotate the injection head and realize, and is safe more effective.

Drawings

FIG. 1 is a drawing showing the quick release type insulin syringe according to the present invention;

FIG. 2 is a schematic view of a disassembled quick-release insulin syringe according to the present invention;

FIG. 3 is a schematic view of the injection head of the quick release insulin syringe according to the present invention;

FIG. 4 is a schematic view of the internal structure of an injection head of a quick release type insulin syringe according to the present invention;

fig. 5 is a schematic diagram of a structure of a plug-in sleeve of the quick-release insulin syringe of the present invention.

Fig. 6 is a schematic view of a protection member of the quick-release insulin syringe of the present invention.

In the figure: 1. a propeller; 2. an insulin storage bottle; 3. snapping; 4. blocking; 5. a protective member; 6. an injection head; 7. a dust cover; 8. a plug bush; 9. a double-ended needle; 10. the sheath is ejected out of the groove; 11. a spring buckle groove; 12. fixing a sleeve; 13. buckling; 14. a sheath; 15. clamping a pin; 16. the spring is supported.

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.

Referring to fig. 1-5, a quick-release type insulin syringe comprises a propeller 1, an insulin storage bottle 2, a protection member 5, an injection head 6 and a dust cap 7, wherein the end of the propeller 1 is inserted into the inner wall of one end of the insulin storage bottle 2, the other end of the insulin storage bottle 2 is provided with an insertion sleeve 8, the insulin storage bottle 2 is connected with the injection head 6 through the insertion sleeve 8, the protection member 5 is positioned in a cavity at the joint of the insertion sleeve 8 and the injection head 6, the outer edge of the bottom end of the dust cap 7 is clamped on the outer wall of the top end of the injection head 6, a double-ended needle 9 is vertically inserted into the middle part of the inner wall of the injection head 6, the inner wall of the end of the insulin storage bottle 2 is provided with a sealing plug 4, one end of the double-ended needle 9 is inserted into the inner wall of the sealing plug 4, the outer walls of two sides of the injection head 6 are provided with elastic buckle grooves 11, and the outer walls of the two sides of the insertion sleeve 8 are provided with elastic buckles 3, the injection head 6 and the plug bush 8 are fixed through the elastic buckle 3 and the elastic buckle groove 11, the protection piece 5 comprises a sheath 14, a clamping pin 15 and a supporting spring 16, the clamping pin 15 is symmetrically arranged on the outer walls of two sides of the sheath 14, the supporting spring 16 is positioned between the plug bush 8 and the sheath 14, the inner walls of two sides of the top end of the plug bush 8 are respectively provided with a buckle 13, and the inner wall of the buckle 13 and the outer wall of the clamping pin 15 are mutually clamped and fixed, so that the probability of touching a needle head by a user is reduced, a patient is effectively protected, the quick-release structure and the protective sheath pop-up structure are realized through rotation, the quick-release and the protective sheath pop-up can be realized simultaneously, the quick-release rotary protection is realized, the rotary protection is safer and more effective, one side of the injection head 6 close to the double-ended needle 9 is provided with a sheath pop-up groove 10, the outer wall of the sheath 14 is slidably connected on the inner wall of the sheath pop-up groove 10, the cross sections of the sheath 14 and the sheath pop-up groove 10 are both of a three-up ring structure, the ejection length of the sheath 14 is the same as the length of the double-ended needle 9 positioned outside the injection head 6, and the outer edge of the bottom end of the sheath 14 forms a limiting edge by a clamping foot 15.

The working principle of the quick-release insulin syringe comprises the following steps:

1. when the insulin syringe is used, the propeller 1 is connected with the insulin storage bottle 2, the protecting piece 5 is rotationally clamped in the inner wall of the insertion sleeve 8, and then the injection head 6 is clamped on the outer wall of the insertion sleeve 8;

2. at the moment, stable clamping and fixing matching is formed between the elastic buckle 3 and the elastic buckle groove 11, the clamping feet 15 and the buckle 13 are also stably clamped and fixed, the supporting spring 16 is in a compressed state, the top end of the sheath 14 of the protection piece 5 is positioned in the sheath ejection groove 10 and is flush with the top end face of the sheath ejection groove 10, the inner end of the double-ended needle 9 is inserted into the sealing plug 4 and is communicated with the insulin storage bottle 2, and the pushing injection can be realized by removing the dust cap 7;

3. after the injection, handheld injection head 6 outer wall presses bullet knot 3 and slightly rotates, because handheld injection head 6's rotation will drive protection piece 5 through sheath ejection groove 10 and rotate, buckle 13 and card foot 15 loosen, and the needle portion is protected to the ejecting sheath 14 of supporting spring 16, and at this moment, bullet knot 3 and bullet knot recess 11 loosen, directly take off needle portion and sheath portion can, realize quick dismantlement.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc. indicate the orientation or positional relationship based on the orientation or positional relationship 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 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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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. The quick-release type insulin syringe comprises a propeller (1), an insulin storage bottle (2), a protection piece (5), an injection head (6) and a dustproof cover (7), and is characterized in that the end of the propeller (1) is connected to the inner wall of one end of the insulin storage bottle (2) in an inserted mode, the other end of the insulin storage bottle (2) is provided with an inserting sleeve (8), the insulin storage bottle (2) is connected with the injection head (6) through the inserting sleeve (8), the protection piece (5) is located in a cavity of a connecting portion of the inserting sleeve (8) and the injection head (6), the outer edge of the bottom end of the dustproof cover (7) is connected to the outer wall of the top end of the injection head (6) in a clamped mode, a double-head needle (9) is perpendicularly inserted in the middle of the inner wall of the injection head (6), the inner wall of the end of the insulin storage bottle (2) is provided with a sealing plug (4), one end of the double-head needle (9) is connected to the inner wall of the sealing plug (4), the outer wall of the injection head (6) is provided with elastic buckles (11), the elastic buckles (11) are arranged on the two sides of the injection head (6), the elastic buckles (11) and the elastic buckles (3) and the two sides of the elastic sleeves (8) and the injection head (3) are fixed groove (11).

2. The quick release type insulin pump according to claim 1, wherein the protection member (5) comprises a sheath (14), a clamping leg (15) and a supporting spring (16), the clamping leg (15) is symmetrically arranged on the outer walls of the sheath (14), and the supporting spring (16) is positioned between the inner wall of the plug-in sleeve (8) and the sheath (14).

3. The quick release type insulin syringe according to claim 1, wherein the plug bush (8) further comprises a buckle (13), the buckle (13) is located on the inner walls of the two sides of the top end of the plug bush (8), and the inner wall of the buckle (13) and the outer wall of the clamping leg (15) are mutually clamped and fixed.

4. The quick release type insulin pump according to claim 1, wherein the side of the injection head (6) close to the double-ended needle (9) is provided with a sheath ejecting groove (10), and the outer wall of the sheath (14) is slidably connected to the inner wall of the sheath ejecting groove (10).

5. The insulin syringe as claimed in claim 4, characterized in that the sheath (14) and the sheath ejection slot (10) are three-quarter circular ring structures in cross section, and the ejection length of the sheath (14) is the same as the length of the double-ended needle (9) located outside the injection head (6).

6. The quick release type insulin pump according to claim 5, characterized in that the outer edge of the bottom end of the sheath (14) is formed with a limit edge by a clamping foot (15), and the width of the limit edge is larger than the inner diameter width of the sheath ejection slot.