CN219721550U

CN219721550U - Injection needle with micropore release at end part

Info

Publication number: CN219721550U
Application number: CN202320631305.7U
Authority: CN
Inventors: 许宗胜
Original assignee: Honghu Taining Medical Equipment Co ltd
Current assignee: Honghu Taining Medical Equipment Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-22
Anticipated expiration: 2033-03-27

Abstract

The utility model provides an end micropore release injection needle, which relates to the technical field of medical equipment and comprises a connecting cover, wherein a storage tube is arranged on the bottom surface of the connecting cover, a movable sleeve is arranged on the bottom surface of the storage tube and movably connected with the storage tube, the movable sleeve penetrates through the bottom surface of the storage tube, a thread groove is formed in the movable sleeve, a needle body is arranged in the movable sleeve, an adjusting thread is arranged on the surface of the needle body, the thread groove is in threaded connection with the adjusting thread, when the movable sleeve is rotated, the needle body can stretch out and draw back on the surface of the storage tube, after the needle body is used, the needle body can be completely retracted into the storage tube by rotating the movable sleeve, and secondary injury of the needle body to people is avoided.

Description

Injection needle with micropore release at end part

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an end micropore release injection needle.

Background

The syringe is used quite frequently in daily medical work, and the needle of prior art prevents secondary injury through sleeve protection mode, however find this kind of telescopic needle reliability lower when clinical use, the needle stab easily takes place, there is the potential safety hazard to medical personnel, although health department has strengthened the recovery processing management to old and useless medical instrument, owing to the needle block bore is less in the recovery process, the finger still can be stabbed to careless when medical personnel operate.

According to the patent number CN211382736U, a syringe needle is disclosed, comprising: the needle rod comprises a liquid channel penetrating through the length direction of the needle rod, a needle point is arranged at the top of the needle rod, a first gas channel which is spaced from the liquid channel is further arranged in the needle rod, and a gas outlet which is communicated with the first gas channel is arranged on the needle rod; the needle stand is connected with the needle stand, a second gas channel is arranged on the needle stand, the second gas channel is communicated with the first gas channel, and a gas inlet communicated with the second gas channel is arranged on the needle stand; the air filter piece is arranged at the gas inlet and is communicated with the gas inlet; the blocking cover is arranged on the air filtering piece and can open and close the air filtering piece. According to the syringe needle provided by the embodiment of the utility model, the operation sanitation of the syringe needle can be improved, and the application range of the syringe needle is enlarged.

The following problems exist in the injection needles disclosed in the above patent documents and others:

1. when the existing injection needle is recovered after use, the needle cover cap is not firmly sleeved on the needle and is easy to fall off, secondary injury can be caused to recovery personnel, and various infectious diseases can be easily infected.

2. When the existing injection needle is used for intramuscular injection, a single needle hole infuses medicine, and the absorption effect cannot reach the optimal state.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an end micropore release injection needle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an tip micropore release syringe needle, includes the connecting cover, the bottom surface of connecting cover is equipped with accomodates the pipe, the bottom surface of accomodating the pipe is equipped with movable sleeve, and movable sleeve and accomodate pipe swing joint, and movable sleeve runs through the bottom surface of accomodating the pipe, the screw thread groove has been seted up to movable sleeve's inside, be equipped with the syringe needle main part in the movable sleeve, the surface of syringe needle main part is equipped with the regulation screw thread, and screw thread groove and regulation screw thread threaded connection.

Preferably, the bottom end of the needle body is uniformly provided with release micropores, and the release micropores penetrate through the surface of the needle body.

Preferably, the bottom surface of the connecting cover is provided with a guide sleeve, the guide sleeve penetrates through the bottom surface of the connecting cover, and the guide sleeve is movably connected with the movable sleeve.

Preferably, the diameter length of the needle head main body is equal to the inner diameter length of the guide sleeve, a limiting block is arranged on the surface of the needle head main body, and the limiting block is in an axisymmetric structure relative to the needle head main body.

Preferably, a guide groove is formed in the guide sleeve, and the limiting block is movably connected with the guide groove.

Preferably, the length of the needle body is less than the sum of the length of the movable sleeve and the length of the guide sleeve.

Preferably, the movable sleeve is formed by thermoplastic rubber.

Advantageous effects

In the utility model, the bottom surface of the connecting cover is provided with the containing tube, the movable sleeve at the bottom end of the containing tube is internally provided with the thread groove, the surface of the needle body is provided with the adjusting thread, when the movable sleeve is rotated, the needle body can stretch out and draw back on the surface of the containing tube, and when the needle body is used, the needle body can be completely contained in the containing tube by rotating the movable sleeve, so that the secondary injury of the needle body to people is avoided.

In the utility model, the bottom end of the needle head main body is uniformly provided with the release micropores, and because the orientations of the release micropores are different, when the liquid medicine enters a human body through the release micropores, the liquid medicine can be rapidly and uniformly diffused, so that the absorption state of the liquid medicine is optimal.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is an overall cross-sectional view of the present utility model;

FIG. 4 is a cross-sectional view of a movable sleeve of the present utility model;

fig. 5 is a block diagram of the needle body of the present utility model.

Legend description:

1. a connection cover; 2. a storage tube; 3. a movable sleeve; 4. a needle body; 5. a guide sleeve; 6. a guide groove; 7. a thread groove; 8. a limiting block; 9. adjusting the screw thread; 10. releasing the microwells.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

as shown in figures 1-5, an injection needle is released by micro-holes at the end part, which comprises a connecting cover 1, the bottom surface of the connecting cover 1 is provided with a containing tube 2, the bottom surface of the containing tube 2 is provided with a movable sleeve 3, the movable sleeve 3 is movably connected with the containing tube 2, the movable sleeve 3 penetrates through the bottom surface of the containing tube 2, a thread groove 7 is formed in the movable sleeve 3, a needle body 4 is arranged in the movable sleeve 3, an adjusting thread 9 is arranged on the surface of the needle body 4, the thread groove 7 is in threaded connection with the adjusting thread 9, the movable sleeve 3 is formed by thermoplastic rubber, when the movable sleeve 3 is rotated, the needle body 4 can stretch out and draw back on the surface of the containing tube 2, after the needle body 4 is used, the needle body 4 can be completely contained in the containing tube 2 by rotating the movable sleeve 3, secondary damage to people is avoided by the needle body 4, and the movable sleeve 3 is made of rubber, so that the friction force generated when the movable sleeve 3 rotates is increased.

Specific embodiment II:

as shown in fig. 1 to 5, the bottom end of the needle body 4 is uniformly provided with release micropores 10, and the release micropores 10 penetrate through the surface of the needle body 4, and due to different orientations of the release micropores 10, when the liquid medicine enters the human body through the release micropores 10, the liquid medicine can be rapidly and uniformly diffused, so that the absorption state of the liquid medicine is optimal.

The bottom surface of connecting lid 1 is equipped with guide sleeve 5, and guide sleeve 5 through-connection lid 1's bottom surface, and guide sleeve 5 and movable sleeve 3 swing joint, the diameter length of syringe needle main part 4 equals the internal diameter length of guide sleeve 5, the surface of syringe needle main part 4 is equipped with stopper 8, and stopper 8 is axisymmetric structure about syringe needle main part 4, under the rotation of movable sleeve 3, stopper 8 is in guide slot 6 straight motion, guide slot 6 has been seted up to guide sleeve 5's inside, and stopper 8 and guide slot 6 swing joint, the length of syringe needle main part 4 is less than the length sum of movable sleeve 3 and guide sleeve 5, be convenient for take in the pipe 2 with the whole receipts of syringe needle main part 4.

To sum up:

1. adopt the design of movable sleeve 3, be equipped with thread groove 7 in the movable sleeve 3, and the surface of syringe needle main part 4 is equipped with adjusting screw thread 9, and when rotatory movable sleeve 3, syringe needle main part 4 can stretch out and draw back on the surface of collecting tube 2, has realized the safe recovery of syringe needle main part 4.

2. By adopting the design of the release micropores 10, the orientation of the release micropores 10 is different, so that when the liquid medicine enters the human body through the release micropores 10, the liquid medicine can be rapidly and uniformly diffused, and the absorption state of the liquid medicine can be optimized.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An end micropore release injection needle comprising a connecting cover (1), characterized in that: the bottom surface of the connecting cover (1) is provided with a storage tube (2), the bottom surface of the storage tube (2) is provided with a movable sleeve (3), the movable sleeve (3) is movably connected with the storage tube (2), the movable sleeve (3) penetrates through the bottom surface of the storage tube (2), the inside of the movable sleeve (3) is provided with a thread groove (7), be equipped with syringe needle main part (4) in movable sleeve (3), the surface of syringe needle main part (4) is equipped with adjusting screw thread (9), and screw thread groove (7) and adjusting screw thread (9) threaded connection, release micropore (10) have evenly been seted up to the bottom of syringe needle main part (4), and release micropore (10) run through the surface of syringe needle main part (4).

2. An end-port release needle according to claim 1, wherein: the bottom surface of connecting lid (1) is equipped with guide sleeve (5), and guide sleeve (5) run through the bottom surface of connecting lid (1), and guide sleeve (5) and movable sleeve (3) swing joint.

3. An end-port release needle according to claim 1, wherein: the diameter length of the needle body (4) is equal to the inner diameter length of the guide sleeve (5).

4. An end-port release needle according to claim 1, wherein: the surface of the needle head main body (4) is provided with a limiting block (8), and the limiting block (8) is in an axisymmetric structure relative to the needle head main body (4).

5. An end-port release needle according to claim 3, wherein: the inside of the guide sleeve (5) is provided with a guide groove (6), and a limiting block (8) is movably connected with the guide groove (6).

6. An end-port release needle according to claim 1, wherein: the length of the needle body (4) is smaller than the sum of the length of the movable sleeve (3) and the length of the guide sleeve (5).

7. An end-port release needle according to claim 1, wherein: the movable sleeve (3) is formed by thermoplastic rubber.