CN210159036U

CN210159036U - Safe syringe needle

Info

Publication number: CN210159036U
Application number: CN201821471790.1U
Authority: CN
Inventors: 杨峰; 金忱; 傅德良; 张静
Original assignee: Huashan Hospital of Fudan University
Current assignee: Huashan Hospital of Fudan University
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2020-03-20
Anticipated expiration: 2028-09-06

Abstract

The utility model belongs to the technical field of medical instruments, and relates to a safe syringe needle which mainly comprises a needle head, a needle head safety cap and a needle head cover cap; the needle head is fixedly connected with the needle head safety cap through a connecting plate; the needle is arranged in the needle safety cap. The result of use shows, safe syringe needle has simple structure, convenient operation, the accurate, the high advantage of security of location, has stopped the acupuncture that probably causes and has hindered in the use and the recovery process, is fit for popularizing and applying on a large scale in medical field.

Description

Safe syringe needle

Technical Field

The invention belongs to the technical field of medical instruments, and relates to a safe syringe needle.

Background

It is well known in the art that syringes are used quite frequently in routine medical practice; the syringe needle of prior art prevents the secondary injury through the mode of sleeve protection, nevertheless finds this kind of sleeve-type syringe needle reliability lower when clinical use, takes place the acupuncture easily and hinders, has the potential safety hazard to medical personnel.

Although the health department strengthens the recycling management of the waste medical instruments, the fingers of medical staff can be punctured by careless operation due to the small aperture of the needle cover cap in the recycling process. In addition, the needle head cap is not firm and easy to fall off when being sleeved on the needle head, and can cause secondary damage to recovery personnel and be easy to infect various infectious diseases.

Therefore, the inventor of the present application intends to provide a safe syringe needle which can protect medical care personnel and recovery personnel from secondary injury of a waste needle and is a safe and reliable needle with a safety cap which is easy and convenient to operate.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a safe syringe needle which can protect medical care personnel and recovery personnel from secondary injury of a waste needle and is safe, reliable and simple and convenient to operate.

The invention relates to a safe syringe needle which is characterized by mainly comprising a needle head 1, a needle head safety cap 2 and a needle head cap 3; the needle head 1 is fixedly connected with the needle head safety cap 2 through a connecting plate 4; the needle head 1 is arranged in the needle head safety cap 2;

in the invention, four small baffles 8 which are symmetrically distributed are arranged below the body of the needle head 1;

in the invention, a needle lock catch 6 and a needle channel 5 for clamping the needle head are arranged in the middle of the needle head safety cap 2; a bell mouth 7 is arranged below the needle channel 5;

in the invention, the needle head cap 3 is cylindrical, the caliber of the top part of the needle head cap is slightly smaller than that of the bottom part of the needle head cap, the top part of the needle head cap is closed, and the bottom part of the needle head cap is open; the inner wall of the needle head cap 3 is provided with four symmetrically distributed clamping strips 10; a linear bulge 11 and a strip bulge 9 are arranged on the inner wall of the needle head cap 3 near the opening, which is convenient for clamping the bottom of the needle head.

Furthermore, a needle lock catch 6 is arranged on a needle channel 5 of the needle head safety cap, and the pipe diameter of the needle channel 5 is slightly larger than that of the needle head 1; the needle lock catch 6 consists of two flag-shaped clamping pieces, one big and one small, and is convenient for fastening the needle head 1;

furthermore, the bottom of the needle safety cap 2 is provided with a bell mouth 7, the bottom of the bell mouth 7 is connected with the needle channel 5, the bell mouth 7 can enable the needle 1 to be easily pushed into the needle channel 5, and a space for accommodating the bottom of the needle is provided for the needle safety cap 2;

further, the bottom of syringe needle 1 is equipped with four evenly distributed's little baffles 8, and this little baffle 8 is half protruding word, is convenient for the chucking syringe needle block 3, and can prevent syringe needle 1 is in get into by excessive back-push behind needle way 5.

In the preferred scheme, the width of the small baffle 8 opposite to the safety cap at the bottom of the needle head 1 is properly increased, so that the needle head can be conveniently pushed into a needle channel by fingers after use.

Furthermore, the inner wall of the needle cap 3 is provided with four symmetrically distributed clamping strips 10, a linear protrusion 11 and a strip-shaped protrusion 9, so that the needle cap 3 can be conveniently fixed at the bottom of the needle 1 without moving, the needle 1 is prevented from being inserted too deeply, and the needle cap 3 can be conveniently pulled out from the bottom of the needle 1 during use;

a connecting plate 4 is arranged between the needle head 1 and the needle head safety cap 2, so that the needle head 1 can be sleeved by the needle head safety cap 2 after being used, and accidental injury is prevented.

Before the invention is used, the needle head cap 3 covers the needle head 1, the lower edge of the strip-shaped bulge 9 on the inner wall of the needle head cap 3 is propped against the fixture block of the small baffle 4 arranged at the bottom of the needle head, and friction force exists between the fixture strip 10 on the inner wall of the needle head cap 3 and the small baffle 4, so that the needle head cap 3 is fixed above the needle head 1, the needle head 1 is prevented from being polluted before use, and the needle head 1 is protected;

when in use, the needle cap 3 is pulled out from the bottom of the needle 1;

after the use, press the little baffle 4 of syringe needle with syringe needle 1 to detain in the syringe needle safety helmet 2, when according to a certain degree, syringe needle 1 gets into in the needle way 5 and carries out the block with needle hasp 6, and the little baffle 4 of syringe needle bottom can prevent that syringe needle 1 from being excessively pushed away after, at this moment, needle hasp 6 supports syringe needle 1 to block in the recess, make the needle fixed, syringe needle 1 can not expose once more outside, avoids the operator to be hindered by the needle prick.

Drawings

FIG. 1 is a schematic perspective view of a safety syringe needle according to the present invention;

FIG. 2 is a front view of the needle safety cap of the present invention;

FIG. 3 is a side view of the needle safety cap of the present invention;

FIG. 4 is a schematic view of the locking structure of the inner needle of the needle safety cap of the present invention;

FIG. 5 is a schematic view of the needle of the present invention;

FIG. 6 is a schematic view of the structure of a small baffle at the bottom of the needle of the present invention;

FIG. 7 is a schematic perspective view of the needle cap of the present invention;

FIG. 8 is a cross-sectional schematic view of the needle cap of the present invention;

FIG. 9 is a schematic view of the present invention in use;

FIG. 10 is a schematic view of the present invention after use;

in fig. 1 to 10, 1 is a needle, 2 is a needle safety cap, 3 is a needle cap, 4 is a connecting plate, 5 is a needle channel, 6 is a needle locking notch, 7 is a horn, 8 is a small baffle, 9 is a band-shaped protrusion, 10 is a clip strip, and 11 is a linear protrusion.

Detailed Description

The present invention is described in further detail below with reference to the attached drawings.

Example 1

As shown in figures 1-10, the safe syringe needle mainly comprises a needle head 1, a needle head safety cap 2 and a needle head cap 3; the needle head 1 is fixedly connected with the needle head safety cap 2 through a connecting plate 4; the needle head 1 is arranged in the needle head safety cap 2;

four small baffles 8 which are symmetrically distributed are arranged below the body of the needle head 1;

the middle of the needle head safety cap 2 is provided with a needle lock catch 6 and a needle channel 5 for clamping the needle head; a bell mouth 7 is arranged below the needle channel 5;

the needle head cover cap 3 is cylindrical, the caliber of the top of the needle head cover cap is slightly smaller than that of the bottom of the needle head cover cap, the top of the needle head cover cap is closed, and the bottom of the needle head cover cap is open; the inner wall of the needle head cap 3 is provided with four symmetrically distributed clamping strips 10; a linear bulge 11 and a strip bulge 9 are arranged on the inner wall of the needle head cap 3 near the opening, which is convenient for clamping the bottom of the needle head.

A needle lock catch 6 is arranged on a needle channel 5 of the needle head safety cap, and the pipe diameter of the needle channel 5 is slightly larger than that of the needle head 1; the needle lock catch 6 consists of two flag-shaped clamping pieces, one big and one small, and is convenient for fastening the needle head 1;

the bottom of the needle head safety cap 2 is provided with a bell mouth 7, the bell mouth 7 is connected with the needle channel 5 at the bottom of the bell mouth 7, so that the needle head 1 can be easily pushed into the needle channel 5, and a space for accommodating the bottom of the needle head is provided for the needle head safety cap 2;

the bottom of syringe needle 1 is equipped with four evenly distributed's little baffles 8, and this little baffle 8 is half type of protruding, is convenient for the chucking syringe needle block 3, and can prevent syringe needle 1 is getting into excessive back-push behind needle way 5.

The width of the small baffle 8 opposite to the safety cap at the bottom of the needle head 1 is properly increased, so that the needle is conveniently pushed into the needle channel by fingers after use.

The inner wall of the needle head cap 3 is provided with four symmetrically distributed clamping strips 10, a linear bulge 11 and a strip-shaped bulge 9, so that the needle head cap 3 can be conveniently fixed at the bottom of the needle head 1 without moving, the needle head 1 is prevented from being inserted too deeply, and the needle head cap 3 can be conveniently pulled out from the bottom of the needle head 1 during use;

when in use, the needle cap 3 is pulled out from the bottom of the needle 1;

The results of the above embodiments show that the safe syringe needle of the present invention has the advantages of simple structure, convenient operation, accurate positioning and high safety, and avoids needle stick injuries which may be caused in the using and recovering processes, and is suitable for large-scale popularization and application in the medical field.

The above examples are given for the purpose of illustrating the present invention in a clear manner and are not to be construed as limiting the invention in any way. Any person skilled in the art, who can use the present disclosure as a basis for the above description, should be within the scope of the present invention.

Claims

1. A safe syringe needle is characterized by mainly comprising a needle (1), a needle safety cap (2) and a needle cover cap (3); the needle head (1) is fixedly connected with the needle head safety cap (2) through a connecting plate (4); the needle head (1) is arranged in the needle head safety cap (2);

four small baffles (8) which are symmetrically distributed are arranged below the body of the needle head (1); the small baffle (8) is in a half convex shape and clamps the needle head cover cap (3);

the needle head safety cap (2) is in a trapezoidal shape, and a needle lock catch (6), a needle channel (5) and a bell mouth (7) for clamping the needle head are arranged in the middle of the upper surface of the long shaft;

the needle head cover cap (3) is cylindrical, the caliber of the top of the needle head cover cap is slightly smaller than that of the bottom of the needle head cover cap, the top of the needle head cover cap is closed, and the bottom of the needle head cover cap is open;

the connecting plate (4) is trapezoidal in shape, is respectively bonded with the needle head circular truncated cone base and the needle head safety cap, and can be folded.

2. Safety syringe needle according to claim 1, characterised in that a bell (7) is provided below the needle channel (5); the bottom of the bell mouth (7) is connected with the needle channel (5).

3. A safety syringe needle as claimed in claim 1 in which the needle locking means (6) comprises two flag shaped clips, one large and one small.

4. A safety syringe needle according to claim 1, characterised in that the needle track (5) is provided with a needle catch (6).

5. A safety syringe needle as claimed in claim 1, characterised in that the diameter of the needle track (5) is slightly greater than the diameter of the needle (1).

6. Safety syringe needle according to claim 1, characterized in that the inner wall of the needle cap (3) is provided with four symmetrically distributed snap strips (10); the inner wall of the needle head cover cap (3) close to the opening is also provided with a linear bulge (11) and a strip-shaped bulge (9).