CN219803984U - Prevent needle of dosing of stabbing - Google Patents

Abstract

The utility model relates to the technical field of medical appliances and discloses an anti-puncture dispensing needle, which comprises a needle tube, a needle seat fixedly arranged below the needle tube and a needle sleeve sleeved on the needle seat, wherein a fixture block assembly is arranged on the needle seat, an inserting block assembly is arranged on the needle sleeve, the fixture block assembly comprises a clamping ring fixedly arranged below the needle seat, a fixture block A and a fixture block B, the fixture block A is fixedly arranged on the circumferential surface of the clamping ring and at least two of the fixture blocks A, the fixture block B is fixedly arranged on the fixture block A and protrudes out of the fixture block A, the fixture block B is positioned in the middle of the fixture block A, the inserting block assembly comprises inserting strips fixedly arranged below the needle sleeve and corresponding to the fixture block A, and inserting blocks fixedly arranged below the inserting strips, and the inserting blocks are positioned below the clamping ring. The utility model has the beneficial effects of preventing the medical staff from being injured by the dispensing needle, and solves the problem that the health and safety of the medical staff are damaged due to careless finger or palm pricking when the medical staff pulls out the dispensing needle.

Description

Prevent needle of dosing of stabbing

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a puncture-preventing dispensing needle.

Background

Medical staff should prepare different medicines into the infusion bags according to the medication requirements of patients, and then input the medicines into the patients. When medical staff dispenses the medicine to the patient, the needle tube connected with the injector is called a dispensing needle. The dispensing needle mainly comprises a needle tube and a needle seat, wherein the needle tube is connected with the needle seat, and the needle seat is connected with the injector.

The injector and the dispensing needle belong to disposable medical supplies, and are discarded in time after being used. Since the dispensing needle is a sharp, personal medical waste, the syringe is a common medical waste of plastic, and the syringe and the dispensing needle are discarded separately. Because the work is busy, medical personnel pull out when dispensing the needle, can sometimes carelessly stab finger or palm, lead to medical personnel's health and safety to receive the harm.

Disclosure of Invention

The utility model aims to provide a stab-resistant dispensing needle, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent dispensing needle of stab, includes needle tubing, the needle file of fixed setting in the needle tubing below, the needle cover of cover on the needle file, its characterized in that: the needle holder is provided with a fixture block assembly, the fixture block assembly comprises a clamping ring, a fixture block A and a fixture block B which are fixedly arranged below the needle holder, the fixture block A is fixedly arranged on the circumferential surface of the clamping ring and is at least two, the fixture block B is fixedly arranged on the fixture block A and protrudes out of the fixture block A, the fixture block B is located in the middle of the fixture block A, the fixture block assembly comprises a cutting bar which is fixedly arranged below the needle holder and corresponds to the fixture block A and a fixture block which is fixedly arranged below the cutting bar, the fixture block is arranged below the clamping ring, the distance between the fixture block and the fixture block is larger than the distance between the diameter of the clamping ring A and the fixture block A which corresponds to the fixture block, and the distance between the fixture bar and the fixture block A which corresponds to the fixture block is larger than the fixture block A and the distance between the fixture block B and the fixture block B which corresponds to the fixture block B.

Preferably, the needle seat is fixedly provided with a plurality of side bars, round grooves are formed in the side bars, the needle sleeve is internally fixedly provided with a circular ring matched with the round grooves, and the circular ring is inserted into the round grooves to be in contact connection with the side bars.

Preferably, a shielding sleeve positioned at the outer side of the cutting is fixedly arranged below the needle sleeve, and the cutting and the shielding sleeve are arranged at intervals.

Preferably, a plurality of anti-slip strips are fixedly arranged on the needle sleeve.

Preferably, the side bars are arranged obliquely outwards by 5 degrees.

Preferably, a needle hole is formed in one side of the needle tube.

Preferably, the needle head at the upper end of the needle tube is solid.

The utility model has the beneficial effects that: when medical staff needs to pull out the dispensing needle to separate from the injector, the needle sleeve is sleeved on the needle seat, and as the distance between the cutting insert and the cutting insert corresponding to the cutting insert is larger than the diameter of the clamping ring, the cutting insert is positioned outside the clamping ring and is arranged at intervals with the clamping ring, and the cutting insert is positioned below the clamping ring and passes over the clamping ring; because the interval between the cutting and the cutting corresponding to the cutting is larger than the interval between the clamping block A and the clamping block A corresponding to the cutting and smaller than the interval between the clamping block B and the clamping block B corresponding to the cutting, the rotating needle sleeve drives the cutting and the clamping block to rotate, the cutting is arranged at intervals with the clamping block A and is abutted against the side wall of the clamping block B, and the clamping block is positioned below the clamping block A; because the interval between the inserting block and the inserting block corresponding to the inserting block is smaller than the interval between the clamping block A and the clamping block A corresponding to the inserting block, the needle sleeve is pulled out upwards, the needle sleeve drives the inserting block to move upwards, the inserting block is abutted against the clamping block A in the way of moving upwards and drives the clamping block A to move upwards, so that the clamping block A and the clamping ring are taken away from the syringe, and the needle seat is pulled out of the syringe, so that the dispensing needle is separated from the syringe; in summary, the medical staff is protected by pulling out the needle sleeve to bring the dispensing needle, the medical staff is prevented from being pricked by the dispensing needle, and the problem that the health and safety of the medical staff are damaged due to careless pricking of fingers or palms when the medical staff pulls out the dispensing needle is solved.

Drawings

Fig. 1 is a schematic view of the structure of the needle holder of the present utility model;

FIG. 2 is a schematic view of the needle hub structure of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the present utility model;

FIG. 4 is a bottom view of the present utility model;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4.

In the figure: needle tube 1, needle stand 2, needle cover 3, snap ring 4, fixture block A5, fixture block B6, cutting 7, inserting block 8, side bar 9, circular groove 10, circular ring 11, shielding cover 12, and anti-slip bar 13.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-5, the utility model discloses a dispensing needle capable of preventing puncture, which comprises a needle tube 1, a needle seat 2 fixedly arranged below the needle tube 1, and a needle sleeve 3 sleeved on the needle seat 2, wherein a fixture block assembly is arranged on the needle seat 2, a plug block 8 assembly is arranged on the needle sleeve 3, the fixture block assembly comprises a clamping ring 4 fixedly arranged below the needle seat 2, a fixture block A5 and a fixture block B6, the fixture block A5 is fixedly arranged on the circumferential surface of the clamping ring 4 and at least two, the fixture block B6 is fixedly arranged on the fixture block A5 and protrudes out of the fixture block A5, the fixture block B6 is positioned in the middle of the fixture block A5, the plug block 8 assembly comprises a plug block 7 fixedly arranged below the needle sleeve 3 and corresponding to the fixture block A5, and a plug block 8 fixedly arranged below the plug block 7, the plug block 8 is positioned below the clamping ring 4, the distance between the plug block 8 and the plug block 8 is larger than the distance between the clamping ring 4 and the fixture block A5 corresponding to the fixture block A5, the distance between the plug block B6 and the plug block B6 corresponding to the plug block A5 and the plug block B6 is larger than the distance between the plug block A5 and the plug block B corresponding to the plug block B. When medical staff needs to pull out a dispensing needle to be separated from the injector, the needle sleeve 3 is sleeved on the needle seat 2, and as the distance between the insert 7 and the insert 8 of the insert 7 corresponding to the insert 7 is larger than the diameter of the clamping ring 4, the insert 7 is positioned outside the clamping ring 4 and is arranged at intervals from the clamping ring 4, and the insert 8 passes over the clamping ring 4 and is positioned below the clamping ring 4; because the interval between the cutting 7 and the cutting 7 corresponding to the cutting is larger than the interval between the clamping block A5 and the clamping block A5 corresponding to the cutting and is smaller than the interval between the clamping block B6 and the clamping block B6 corresponding to the clamping block A5, the rotating needle sleeve 3 drives the cutting 7 and the inserting block 8 to rotate, the cutting 7 is arranged at intervals with the clamping block A5 and is abutted against the side wall of the clamping block B6, and the inserting block 8 is positioned below the clamping block A5; because the interval between the insert block 8 and the insert block 8 corresponding to the insert block is smaller than the interval between the clamping block A5 and the clamping block A5 corresponding to the insert block, the needle sleeve 3 is pulled out upwards, the needle sleeve 3 drives the insert block 8 to move upwards, the insert block 8 is abutted against the clamping block A5 in the way of moving upwards and drives the clamping block A5 to move upwards, so that the clamping block A5 and the clamping ring 4 are taken away from the syringe, and the needle stand 2 is pulled out of the syringe, so that the dispensing needle is separated from the syringe; in summary, the medical staff is protected by pulling out the needle sleeve 3 to bring the dispensing needle, the medical staff is prevented from being pricked by the dispensing needle, and the problem that the health and safety of the medical staff are damaged due to careless pricking of fingers or palms when the medical staff pulls out the dispensing needle is solved.

Preferably, the needle seat 2 is fixedly provided with a plurality of side strips 9, the side strips 9 are provided with round grooves 10, the needle sleeve 3 is internally fixedly provided with a circular ring 11 matched with the round grooves 10, and the circular ring 11 is inserted into the round grooves 10 to be in contact connection with the side strips 9. Because the circular groove 10 is formed in the side strip 9, the circular ring 11 matched with the circular groove 10 is fixedly arranged in the needle sleeve 3, when the needle sleeve 3 does not need to be taken out of a dispensing needle and only needs to cover the needle tube 1, the needle sleeve 3 is sleeved on the needle seat 2, and the circular ring 11 can be inserted into the circular groove 10 to be in contact connection with the side strip 9, so that the effect of preventing the needle sleeve 3 from falling easily is achieved.

Preferably, a shielding sleeve 12 positioned outside the cutting 7 is fixedly arranged below the needle sleeve 3, and the cutting 7 and the shielding sleeve 12 are arranged at intervals. The cutting 7 and the shielding sleeve 12 are arranged at intervals, so that the effect of shielding the cutting 7 and keeping beautiful is achieved.

Preferably, a plurality of anti-slip strips 13 are fixedly arranged on the needle sleeve 3. Because the needle sleeve 3 is fixedly provided with a plurality of anti-slip strips 13, the function of preventing fingers from slipping when medical staff holds the needle sleeve 3 is achieved.

Preferably, the side strips 9 are arranged obliquely outwards by 5 °. The side strips 9 are obliquely arranged outwards by 5 degrees, so that the function of facilitating the circular ring 11 to slide into the circular groove 10 is achieved.

Preferably, a needle hole is formed on one side of the needle tube 1. Because one side of the needle tube 1 is provided with a needle hole, the function of conveniently sucking the liquid medicine is achieved.

Preferably, the needle head at the upper end of the needle tube 1 is solid. Because the needle head at the upper end of the needle tube 1 is solid, the function of preventing scraps from entering the needle tube 1 from the needle head is achieved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. The utility model provides a prevent dispensing needle of stab, includes needle tubing (1), fixes needle file (2) of setting in needle tubing (1) below, cover establish needle cover (3) on needle file (2), its characterized in that: be equipped with the fixture block subassembly on needle file (2), be equipped with the cartridge subassembly on needle cover (3), the fixture block subassembly is including fixed snap ring (4) that sets up in needle file (2) below, fixture block A (5), fixture block B (6), the fixed circumference surface that sets up in snap ring (4) of fixture block A (5) is two at least, fixture block B (6) are fixed to be set up on fixture block A (5) and are protruding in fixture block A (5), fixture block B (6) are located the middle part of fixture block A (5), the cartridge subassembly is including fixed setting up in needle cover (3) below and with fixture block A (5) corresponding cutting (7), fixed setting in cutting (8) of cutting (7) below, cutting (8) are located the below of snap ring (4), the interval between cutting (8) and its corresponding cutting (8) is greater than the diameter of snap ring (4) and is less than the interval between fixture block A (5) and its corresponding fixture block A (5), cutting (7) and its corresponding cutting (6) are between the interval between cutting (6) and the corresponding cutting (5).

2. A stab-resistant dispensing needle as in claim 1, wherein: the needle stand (2) is fixedly provided with a plurality of side bars (9), round grooves (10) are formed in the side bars (9), a circular ring (11) matched with the round grooves (10) is fixedly arranged in the needle cover (3), and the circular ring (11) is inserted into the round grooves (10) to be in contact connection with the side bars (9).

3. A stab-resistant dispensing needle as in claim 2, wherein: the needle sleeve (3) is fixedly provided with a shielding sleeve (12) positioned at the outer side of the cutting (7), and the cutting (7) and the shielding sleeve (12) are arranged at intervals.

4. A puncture resistant dispensing needle as set forth in claim 3, wherein: a plurality of anti-slip strips (13) are fixedly arranged on the needle sleeve (3).

5. A stab-resistant dispensing needle as in claim 4, wherein: the side bars (9) are obliquely arranged outwards by 5 degrees.

6. A stab-resistant dispensing needle as in claim 5, wherein: a needle hole is formed in one side of the needle tube (1).

7. A stab-resistant dispensing needle as in claim 6, wherein: the needle head at the upper end of the needle tube (1) is solid.