CN215653136U

CN215653136U - Safety insulin needle

Info

Publication number: CN215653136U
Application number: CN202121460509.6U
Authority: CN
Inventors: 王巧红; 霍云云
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-28
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of medical instruments, in particular to a safety insulin needle, wherein a base is arranged on one side of an injection pen body, the base is in threaded connection with the injection pen body, a needle head is arranged between the base and the injection pen body, one end of the injection pen body is positioned on the base and is provided with a protection device, the protection device comprises a protection cap cover, sliding grooves are formed in the inner walls of the two sides of the protection cap cover, sliding blocks are arranged inside the sliding grooves in a sliding mode, and one sides of the sliding blocks are fixedly arranged on the base. The device simple structure, protector can realize pulling open and closing to the protection cap cover, plays the fixed effect of placing to the protection cap cover simultaneously, avoids the reciprocating slide of protection cap cover on the base, realizes the stability of placing, realizes exposing and sheltering from to the syringe needle simultaneously, avoids taking place to touch the stab between medical personnel and the syringe needle, great increase the security of using.

Description

Safety insulin needle

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a safety insulin needle.

Background

In the current society, more and more diabetes patients and more insulin patients are used, the use rate of insulin needles is rapidly increased, but the needle stick injuries from the insulin needles are increased, the needle stick injuries are one of the most serious occupational risk factors faced by current medical staff, and the risk of the medical staff for spreading diseases caused by occupational infection and hematogenesis is 2-19 times that of common people.

The insulin pen syringe needle that is used near the bed at present mainly comprises needle file, steel needle, interior needle cap, outer needle cap and several parts of sealing membrane, and the needle file is the rubber adapter sleeve of in-band screw thread with the refill front end connecting portion of insulin injection pen. The using process sequentially comprises the following steps: firstly, disinfecting a rubber connecting sleeve with internal threads at the front end part of an insulin refill → tearing off a sealing film of the insulin needle head → screwing the insulin needle head (comprising an inner needle cap and an outer needle cap) on the rubber connecting sleeve with the internal threads at the front end part of the insulin refill → pulling the outer needle cap → disinfecting, injecting and pressing a patient → screwing the outer needle cap back on the rubber connecting sleeve with the internal threads at the front end part of the insulin refill → finally screwing the outer needle cap together with the insulin steel needle, and abandoning the outer needle cap into a sharp instrument box. The whole operation flow is relatively complicated, time-consuming and has potential safety hazards, and needle stick injury generally occurs after insulin injection is finished and when final sharp instrument treatment is carried out. Because the insulin needle head needs to be sleeved back, the needle is easy to be injured by a needle; if the contaminated sharp instrument needs to be detached by bare hands without sleeving the needle cap back, the needle stick injury is easy to occur; there is no tool on the sharp box used clinically to detach the insulin needle. And the used needle head has infectivity, thereby greatly increasing the risk of the medical worker for needle stick injury and infection.

Therefore, in summary, the skilled person provides a safety type insulin needle to solve the above mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the purpose, the utility model provides the following technical scheme: the safety insulin needle comprises an injection pen body, wherein a base is arranged on one side of the injection pen body, the base is in threaded connection with the injection pen body, a needle head is arranged between the base and the injection pen body, and a protective device is arranged at one end of the injection pen body and positioned on the base;

the protective device comprises a protective cap, sliding grooves are formed in the inner walls of two sides of the protective cap, sliding blocks are arranged in the sliding grooves in a sliding mode, one side of each sliding block is fixedly arranged on the base, a through hole matched with the needle head is formed in the middle of the protective cap, a fixing rod is fixedly arranged at the edge of one end, away from the through hole, of the protective cap, a triangular block is fixedly arranged at one end, away from the protective cap, of the fixing rod, a placing groove is fixedly arranged on one side below the triangular block and positioned on the injection pen body, a trapezoidal block is fixedly arranged on one side of the inner wall of the placing groove, an accommodating groove is formed in the trapezoidal block, a limiting block is arranged in the accommodating groove in a sliding mode, a pull rod is fixedly arranged at one end of the limiting block, one end of the pull rod penetrates through one side of the placing groove and extends towards the outer portion of the accommodating groove to be fixedly connected with a grab handle, one side of the limiting block is located on the pull rod, a first spring is sleeved on the pull rod, and one side of the accommodating groove is located on the trapezoidal block and provided with a slot matched with the limiting block.

As a further aspect of the utility model: the middle of one end of the base, which is far away from the needle head, is provided with a threaded hole, and one end of the injection pen body is fixedly provided with a threaded pipe matched with the threaded hole.

As a further aspect of the utility model: the fixed cover of one end of syringe needle is equipped with the shock pad, one side of shock pad with base fixed connection.

As a further aspect of the utility model: the shock pad is made of rubber materials.

As a further aspect of the utility model: and the two sides of the through hole are positioned on the inner wall of the protective cap cover and are fixedly provided with second springs.

As a further aspect of the utility model: a magnetic attraction groove is formed in one side of the sliding block, and a magnetic attraction rod matched with the magnetic attraction groove is fixedly arranged on one side of the magnetic attraction groove and located on the inner wall of one end of the sliding groove.

Compared with the prior art, the utility model has the beneficial effects that: the device has simple structure and convenient operation and use, when the protective cap is pulled to the injection pen body, then the slot at one side of the triangular block is limited by the limiting block, thereby realizing the fixing function of the protective cap cover, after the injection is finished, the pull rod is pulled to separate the limiting block from the slot, the separation of the triangular block and the placing groove can be realized, the shielding of the protective cap on the needle head can be realized by the ejection of the second spring, the direct contact between the medical care personnel and the needle head is avoided, meanwhile, the magnetic suction rod is inserted into the magnetic suction groove, which can fix the protective cap cover, increase the stability, realize the effect of fixing and placing the protective cap cover, avoid the protective cap cover from sliding on the base to and fro, realize the placing stability, meanwhile, the exposure and the shielding of the needle head are realized, the contact and the puncture between medical personnel and the needle head are avoided, and the use safety is greatly improved.

Drawings

FIG. 1 is a schematic structural view of a safety insulin needle;

FIG. 2 is a cross-sectional view of a safety insulin needle;

fig. 3 is a schematic structural diagram of the safe insulin needle triangle block connected with the placement groove.

In the figure: 1. injecting a pen body; 2. a base; 3. a needle head; 4. a protective cap; 5. a chute; 6. a slider; 7. a through hole; 8. fixing the rod; 9. a triangular block; 10. a placement groove; 11. a trapezoidal block; 12. a receiving groove; 13. a limiting block; 14. a pull rod; 15. a first spring; 16. a slot; 17. a threaded hole; 18. a threaded pipe; 19. a shock pad; 20. a second spring; 21. and (4) a magnetic attraction rod.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, the safety insulin needle includes an injection pen body 1, a base 2 is disposed on one side of the injection pen body 1, the base 2 is in threaded connection with the injection pen body 1, a needle 3 is disposed between the base 2 and the injection pen body 1, and a protection device is disposed on the base 2 and at one end of the injection pen body 1;

in fig. 1, 2 and 3: the protective device comprises a protective cap 4, sliding grooves 5 are respectively arranged on the inner walls of two sides of the protective cap 4, a sliding block 6 is respectively arranged in the sliding grooves 5 in a sliding manner, one side of the sliding block 6 is fixedly arranged on a base 2, a through hole 7 matched with a needle 3 is arranged in the middle of the protective cap 4, a fixing rod 8 is fixedly arranged at the edge of one end of the protective cap 4 far away from the through hole 7, a triangular block 9 is fixedly arranged at one end of the fixing rod 8 far away from the protective cap 4, a placing groove 10 is fixedly arranged at one side below the triangular block 9 and positioned on an injection pen body 1, a trapezoidal block 11 is fixedly arranged at one side of the inner wall of the placing groove 10, an accommodating groove 12 is arranged on the trapezoidal block 11, a limiting block 13 is arranged in the accommodating groove 12 in a sliding manner, a pull rod 14 is fixedly arranged at one end of the limiting block 13, one end of the pull rod 14 penetrates through one side of the placing groove 10 and extends to the outside of the accommodating groove 12 to be fixedly connected with a grab handle, a first spring 15 is sleeved on one side of the pull rod 13, a slot 16 matched with the limit block 13 is arranged on one side of the accommodating groove 12 and positioned on the trapezoidal block 11.

In FIG. 2: threaded hole 17 is opened in the middle of the one end of base 2, the syringe needle 3 of keeping away from, and the one end of injection handwriting 1 is fixed be equipped with threaded hole 17 assorted screwed pipe 18, the convenience of being connected between convenient base 2 and the injection handwriting 1.

In FIG. 2: the fixed cover of one end of syringe needle 3 is equipped with shock pad 19, and one side and the base 2 fixed connection of shock pad 19 can be drawing the compaction to protective cap cover 4 and playing absorbing effect between to it and base 2, great increase the security of using.

In FIG. 2: the shock pad 19 is made of rubber materials, and shock absorption effect is improved.

In FIG. 2: the both sides of through-hole 7 and the inner wall that is located protection cap cover 4 all fix and are equipped with second spring 20, can play the effect that pushes away the bullet to protection cap cover 4.

In FIG. 2: magnetic attraction grooves are formed in one side of the sliding block 6, magnetic attraction rods 21 are fixedly arranged on one side of each magnetic attraction groove and located on the inner wall of one end of the sliding groove 5, matched magnetic attraction rods are matched with the magnetic attraction rods, and the placing stability of the protective cap cover is improved.

The working principle of the utility model is as follows: when the cap is used, the protective cap cover 4 is pulled to move to one side of the injection pen body 1, the magnetic rod 21 and the magnetic attraction groove are separated in the pulling process, meanwhile, the triangular block 9 is inserted into the placing groove 10, when the protective cap cover enters the placing groove 10, the inclined surface of the triangular block 9 extrudes the limiting block 13 inside the placing groove 10, the first spring 15 is extruded while the limiting block 13 is extruded, the limiting block 13 is contracted into the accommodating groove 12, the slot 16 on one side of the triangular block 9 and the accommodating groove 12 are opposite to each other, the first spring 15 pushes the limiting block 13 to extend into the slot 16, the limiting and fixing effect on the triangular block 9 can be achieved, the stability of opening and placing the protective cap cover 4 can be achieved, after the injection of a patient is completed, the grab handle on one end of the pull rod 14 is pulled, the limiting block 13 is retracted from the inside of the slot 16, and meanwhile, the second spring 20 pushes the protective cap cover 4 to move, and realize magnetism inhale stick 21 and insert magnetism and inhale the groove in, realize the fixed type that protection cap cover 4 placed, protection cap cover 4 shelters from the back to syringe needle 3, then unscrew it by medical personnel, avoid touching between medical personnel and the syringe needle 3, avoid causing the danger of stabbing, great increase the security of using, the device simple structure, convenient operation is used.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The safety insulin needle comprises an injection pen body (1) and is characterized in that a base (2) is arranged on one side of the injection pen body (1), the base (2) is in threaded connection with the injection pen body (1), a needle head (3) is arranged between the base (2) and the injection pen body (1), and a protection device is arranged at one end of the injection pen body (1) and is positioned on the base (2);

the protective device comprises a protective cap (4), sliding grooves (5) are formed in the inner walls of two sides of the protective cap (4), a sliding block (6) is arranged in each sliding groove (5) in a sliding mode, one side of each sliding block (6) is fixedly arranged on the base (2), a through hole (7) matched with the needle (3) is formed in the middle of the protective cap (4), a fixing rod (8) is fixedly arranged at the edge of one end, far away from the through hole (7), of the protective cap (4), a triangular block (9) is fixedly arranged at one end, far away from the protective cap (4), of the fixing rod (8), a placing groove (10) is fixedly formed in one side below the triangular block (9) and located on the injection pen body (1), a trapezoidal block (11) is fixedly arranged on one side of the inner wall of the placing groove (10), and a containing groove (12) is formed in the trapezoidal block (11), the inside of accomodating groove (12) slides and is equipped with stopper (13), the fixed pull rod (14) that is equipped with in one end of stopper (13), the one end of pull rod (14) runs through one side of standing groove (10) and to the outside of accomodating groove (12) extends and grab handle fixed connection, one side of stopper (13) just is located pull rod (14) are gone up the cover and are equipped with first spring (15), one side of accomodating groove (12) just is located seted up on trapezoidal piece (11) with stopper (13) assorted slot (16).

2. The safety insulin needle according to claim 1, wherein a threaded hole (17) is formed in the middle of one end of the base (2) far away from the needle (3), and a threaded pipe (18) matched with the threaded hole (17) is fixedly arranged at one end of the injection pen body (1).

3. The safety insulin needle according to claim 1, wherein a shock-absorbing pad (19) is fixedly sleeved at one end of the needle (3), and one side of the shock-absorbing pad (19) is fixedly connected with the base (2).

4. Safety insulin needle according to claim 3, characterized in that the shock-absorbing pad (19) is made of rubber material.

5. The safety insulin needle according to claim 1, wherein a second spring (20) is fixedly arranged on both sides of the through hole (7) and on the inner wall of the protective cap (4).

6. The safety insulin needle according to claim 1, wherein a magnetic attraction groove is formed in one side of the sliding block (6), and a magnetic attraction rod (21) matched with the magnetic attraction groove is fixedly arranged on one side of the magnetic attraction groove and on the inner wall of one end of the sliding groove (5).