CN215083510U

CN215083510U - Rebound needle

Info

Publication number: CN215083510U
Application number: CN202120725722.9U
Authority: CN
Inventors: 吴三梅; 芦燕
Original assignee: Individual
Current assignee: Wuhan Fifth Hospital
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-10
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a resilience syringe needle, including the cylinder, the syringe needle body is installed to the bottom of cylinder, the equal fixedly connected with fixed block of its both sides bottom lateral wall, set up threaded hole on the fixed block, threaded hole female connection has the threaded rod, the top fixedly connected with of threaded rod revolves the piece, and its below is provided with the fly leaf, the top fixedly connected with drive frame of fly leaf, drive frame and fixedly connected with drive block are run through to the bottom of threaded rod, the drive block is located the drive frame, the through-hole has been seted up on the surface of fly leaf, insert the movable rod in the through-hole, the one end fixedly connected with of movable rod presses the briquetting, and its other end is provided with the protective sheath, fixedly connected with spring between protective sheath and the fly leaf, the spring is the symmetry setting about the movable rod. The utility model has the characteristics of structural design is reasonable, is convenient for install and change, and protecting effect is good, can effectively avoid the syringe needle to stab patient etc.

Description

Rebound needle

Technical Field

The utility model relates to a syringe needle technical field specifically is a resilience syringe needle.

Background

A syringe is a common medical device that can be used for injection through rubber septa in medical devices, containers, and scientific instruments such as those used in chromatography. Needles are one of the important components of syringes, primarily for the extraction or injection of gases or liquids.

The prior needle is lack of protection measures due to the structural design, so that the needle is easy to stab a patient, and therefore, the improvement of the prior needle is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's syringe needle and lack safeguard measure, and the patient's defect is stabbed easily to the syringe needle, provides a resilience syringe needle. The rebound needle has the characteristics of reasonable structural design, convenience in installation and replacement, good protection effect, capability of effectively preventing the needle from stabbing patients and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resilience syringe needle, includes the cylinder, the syringe needle body is installed to the bottom of cylinder, the equal fixedly connected with fixed block of its both sides bottom lateral wall, set up threaded hole on the fixed block, threaded hole female connection has the threaded rod, the top fixedly connected with of threaded rod revolves the piece, and its below is provided with the fly leaf, the top fixedly connected with driving frame of fly leaf, driving frame and fixedly connected with driving block are run through to the bottom of threaded rod, the driving block is located the driving frame, the through-hole has been seted up on the surface of fly leaf, insert the movable rod in the through-hole, the one end fixedly connected with of movable rod presses the briquetting, and its other end is provided with the protective sheath, fixedly connected with spring between protective sheath and the fly leaf, the spring is the symmetry setting about the movable rod.

Preferably, the protective sheath is semi-circular silica gel cover structure to be symmetrical about the syringe needle body and set up, just the internal diameter of protective sheath equals with the diameter of syringe needle body.

Preferably, a plurality of hemispherical rubber blocks are uniformly arranged on the surface of the arc-shaped inner wall of the protective sleeve.

Preferably, the surface of the side wall of the pressing block is provided with an arc-shaped groove.

Preferably, the side walls of the two sides of the pressing block are fixedly connected with mounting blocks, one side of each mounting block, which is close to the movable plate, is fixedly connected with an iron block, and one side of each movable plate, which is close to the pressing block, is fixedly provided with a pair of magnets.

Preferably, the iron block is arc-shaped, the width of the iron block is equal to that of the magnet, and the centers of the iron block and the magnet are located on the same straight line.

Preferably, the side wall of the rotary block is arc-shaped and is inwards sunken, and herringbone anti-skidding lines are formed on the surface of the side wall of the rotary block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the needle head body can be separated from the outside through the protective sleeve, so that the patient is effectively prevented from being stabbed by the needle head body;

2. the needle head is telescopic, the threaded rod can be screwed by holding the rotary block and drives the protective sleeve to move up and down, so that the protective sleeve can be folded when not in use, and the needle head body can be conveniently installed and replaced;

3. the stability is high, and the iron block can be attracted through the magnetism of the magnet so as to fix the positions of the pressing block and the protective sleeve;

4. the anti-skidding finger joint is not easy to slip, the side wall of the rotary block is arc-shaped and inwards sunken, herringbone anti-skidding lines are arranged on the surface of the side wall of the rotary block, friction force between a hand and the rotary block can be effectively increased through the anti-skidding lines, so that slipping is prevented, the arc-shaped groove is formed in the surface of the side wall of the press block, fingers can be attached to the arc-shaped groove when pressing is performed, and slipping is prevented.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

figure 3 is a cross-sectional view of the protective sheath.

Reference numbers in the figures: 1. a needle cylinder; 2. a needle body; 3. a fixed block; 4. a threaded hole; 5. a threaded rod; 6. rotating the block; 7. a movable plate; 8. a transmission frame; 9. a transmission block; 10. a movable rod; 11. a pressing block; 12. a protective sleeve; 13. a spring; 14. mounting blocks; 15. an iron block; 16. and a magnet.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a rebound needle comprises a needle cylinder 1, a needle body 2 is installed at the bottom of the needle cylinder 1, fixing blocks 3 are fixedly connected to the side walls of the bottom ends of the two sides of the needle body, threaded holes 4 are formed in the fixing blocks 3, threaded rods 5 are connected with the threads in the threaded holes 4, rotating blocks 6 are fixedly connected to the top ends of the threaded rods 5, the threaded rods 5 can be screwed to move up and down along the threaded holes 4 by holding the rotating blocks 6, the side walls of the rotating blocks 6 are arc-shaped and sunken inwards, herringbone anti-skidding lines are formed in the surfaces of the side walls of the rotating blocks 6, fingers can be attached to the side walls when holding the rotating blocks 6, the friction force between hands and the rotating blocks 6 can be effectively increased through the anti-skidding lines, so that skidding is prevented, a movable plate 7 is arranged below the threaded rods 5, a transmission frame 8 is fixedly connected to the top of the movable plate 7, a transmission block 9 is fixedly connected to the bottom end of the threaded rod 5, and the transmission block 9 is located in the transmission frame 8, the surface of the movable plate 7 is provided with a through hole, a movable rod 10 is inserted into the through hole, one end of the movable rod 10 is fixedly connected with a pressing block 11, the other end of the movable rod is provided with a protective sleeve 12, the protective sleeve 12 can be driven to move left and right by pressing the pressing block 11, the surface of the side wall of the pressing block 11 is provided with an arc-shaped groove, fingers can be attached in the arc-shaped groove when pressing, so as to prevent slipping, the side walls of the two sides of the pressing block 11 are both fixedly connected with an installation block 14, one side of the installation block 14, which is close to the movable plate 7, is fixedly connected with an iron block 15, one side of the movable plate 7, which is close to the pressing block 11, is fixedly provided with a pair of magnets 16, the iron block 15 is arc-shaped, the width of the iron block is equal to the width of the magnets 16, the centers of the iron block 15 and the magnets 16 are positioned on the same straight line, the iron block 15 can be attached to the surface of the magnets 16, and can attract the pressing iron block 15 through the magnetism of the magnets 16, so as to fix the positions of the protective sleeve 12, fixedly connected with spring 13 between protective sheath 12 and the fly leaf 7, spring 13 is the symmetry setting about the movable rod 10, protective sheath 12 is semi-circular silica gel cover structure, and be the symmetry setting about syringe needle body 2, and the internal diameter of protective sheath 12 equals with the diameter of syringe needle body 2, protective sheath 12 can contact each other and laminate in the both sides of syringe needle body 2, can separate syringe needle body 2 with the external world through protective sheath 12, thereby effectively avoid syringe needle body 2 to stab the patient, the arc inner wall surface of protective sheath 12 evenly is provided with a plurality of hemisphere rubber piece.

The working principle is as follows: when the utility model is used, firstly, the needle head body 2 is arranged at the bottom of the needle cylinder 1, the operations such as injection and the like can be carried out through the needle head body 2, after the transfusion is finished and the needle head body 2 is pulled out, the rotary block 6 is held to drive the threaded rod 5 to move downwards along the threaded hole 4, at the same time, the transmission block 9 in the bottom end of the threaded rod 5 pushes the transmission frame 8 to move downwards together with the movable plate 7 and the protective sleeve 12 until the protective sleeve 12 moves to the two sides of the needle head body 2 and then stops, fingers are attached to the pressing block 11 and pressed, the pressing block 11 can drive the movable rod 10 and the protective sleeve 12 to move towards the needle head body 2 together with the protective sleeve 12 and draw the spring 13 after being stressed, when the iron block 15 is contacted with the magnet 16, the iron block 15 can be attracted through the magnetism of the magnet 16, so as to fix the positions of the pressing block 11 and the protective sleeve 12, at the moment, the protective sleeves 12 are contacted with each other and tightly attached to the two sides of the needle head body 2, the needle body 2 can be isolated from the outside by the protective sleeve 12, so that the needle body 2 is effectively prevented from stabbing patients.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rebound needle, comprising a needle cylinder (1), characterized in that: the needle head comprises a needle cylinder (1), a needle head body (2) is installed at the bottom of the needle cylinder (1), fixing blocks (3) are fixedly connected to the side walls of the bottom ends of two sides of the needle cylinder, a threaded hole (4) is formed in each fixing block (3), a threaded rod (5) is connected to the inner thread of each threaded hole (4), a rotary block (6) is fixedly connected to the top end of each threaded rod (5), a movable plate (7) is arranged below each fixing block, a transmission frame (8) is fixedly connected to the top of each movable plate (7), the bottom end of each threaded rod (5) penetrates through the transmission frame (8) and is fixedly connected with a transmission block (9), each transmission block (9) is located in the transmission frame (8), a through hole is formed in the surface of each movable plate (7), a movable rod (10) is inserted into the through hole, a pressing block (11) is fixedly connected to one end of each movable rod (10), and a protective sleeve (12) is arranged at the other end of each movable rod, fixedly connected with spring (13) between protective sheath (12) and fly leaf (7), spring (13) are the symmetry setting about movable rod (10).

2. A rebound needle as set forth in claim 1 wherein: protective sheath (12) are semi-circular silica gel cover structure to be the symmetry setting about syringe needle body (2), just the internal diameter of protective sheath (12) equals with the diameter of syringe needle body (2).

3. A rebound needle as set forth in claim 1 wherein: the arc inner wall surface of protective sheath (12) evenly is provided with a plurality of hemisphere rubber piece.

4. A rebound needle as set forth in claim 1 wherein: an arc-shaped groove is formed in the surface of the side wall of the pressing block (11).

5. A rebound needle as set forth in claim 1 wherein: the pressing device is characterized in that mounting blocks (14) are fixedly connected to the side walls of the two sides of the pressing block (11), an iron block (15) is fixedly connected to one side, close to the movable plate (7), of each mounting block (14), and a pair of magnets (16) is fixedly mounted on one side, close to the pressing block (11), of the movable plate (7).

6. A rebound needle as set forth in claim 5, wherein: the iron block (15) is arc-shaped, the width of the iron block is equal to that of the magnet (16), and the centers of the iron block (15) and the magnet (16) are located on the same straight line.

7. A rebound needle as set forth in claim 1 wherein: the side wall of the rotary block (6) is arc-shaped and is inwards sunken, and herringbone anti-skidding lines are arranged on the surface of the side wall of the rotary block (6).