CN219208469U

CN219208469U - Disposable stab-resistant injection needle

Info

Publication number: CN219208469U
Application number: CN202222378594.2U
Authority: CN
Inventors: 祁建忠; 谭伟; 余彬
Original assignee: Yangzhou Meilai Medical Supplies Co ltd
Current assignee: Yangzhou Meilai Medical Supplies Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-06-20
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a disposable stab-resistant injection needle which comprises a barrel and a push rod inserted into the lower side of the barrel, wherein the top end of the barrel is provided with a through hole, the top end of an inner cavity of the barrel is inserted into and provided with a needle seat, the top end of the needle seat penetrates through the through hole, flexible support rods are arranged between the two sides of the top end of the needle seat and the barrel, the lower side of each flexible support rod is provided with a cutting opening, the two sides of the needle seat are symmetrically provided with containing grooves, the side wall of each containing groove is provided with a spring, the other end of each spring is provided with an inserting block, the upper side of the barrel wall of the barrel is correspondingly provided with a slot, the inserting blocks are inserted into the slots, the bottom end of the needle seat is provided with a hooking groove, the top end of the push rod is provided with a rubber plug, and the top end of the rubber plug is provided with a nail hook. According to the utility model, the flexible supporting rod is inserted into the slot through the insertion block, the needle seat is fixed, normal use of the syringe can not be affected, after the syringe is used, the flexible supporting rod is broken through the push rod, the insertion block is retracted into the accommodating groove through the spring, the needle head is conveniently placed into the cylinder body, and stabbing of other people is avoided.

Description

Disposable stab-resistant injection needle

Technical Field

The utility model relates to the technical field of medical instrument injection equipment, in particular to a disposable stab-resistant injection needle.

Background

The syringe is a medical appliance for injecting liquid medicine or extracting liquid, is a device commonly used in hospitals or clinics, and along with the development of medical technology and the discovery of various infectious diseases, the original positioning of the syringe is a disposable medical appliance, which means that the syringe is abandoned and destroyed after being used once so as to avoid cross infection caused by the common use of the syringe, after the syringe is used, medical staff throw the syringe into a medical abandoned barrel or put the syringe on a abandoned disc, and then special staff carry out packaging and recycling treatment, and in the recycling treatment process, cleaning staff can be pricked to hands possibly because of the exposed needle heads, so that the cleaning staff is injured easily, and wound infection of the cleaning staff can occur when the syringe is serious.

Disclosure of Invention

The utility model aims to provide a disposable stab-resistant injection needle so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a disposable stab-resistant injection needle, includes barrel and barrel downside male push rod, open on the top of barrel has the through-hole, the inner chamber top of barrel inserts and installs the needle file, the top of needle file run through in the through-hole, install flexible support pole between the top both sides of needle file with the barrel, open the downside of flexible support pole has the cutting mouth, the bilateral symmetry of needle file is opened there is the holding tank, install the spring on the lateral wall of holding tank, the inserted block is installed to the other end of spring, open corresponding the barrel wall upside of barrel has the slot, the inserted block insert in the slot, open the bottom of needle file has the hook groove, the plug is installed on the top of push rod, the nail hook is installed on the top of plug, the nail hook with the hook groove agrees with each other.

Further, a fixed top seat is arranged at the top end of the cylinder body, and a transparent sheath is arranged on the fixed top seat.

Further, the top end of the needle seat is provided with a needle head.

Further, a limiting rod is inserted into the side wall of the top end of the cylinder body in a threaded mode, and an adjusting disc is installed at the outer side end of the limiting rod.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the flexible supporting rod is inserted into the slot through the insertion block, the needle seat is fixed, normal use of the syringe can not be affected, after the syringe is used, the flexible supporting rod is broken through the push rod, the insertion block is retracted into the accommodating groove through the spring, the needle head is conveniently placed into the cylinder body, and stabbing of other people is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the entire present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is an enlarged schematic view at a of the present utility model.

In the figure: 1. a cylinder; 2. a push rod; 3. a through hole; 4. a needle stand; 5. a flexible support rod; 6. cutting a port; 7. a receiving groove; 8. a spring; 9. inserting blocks; 10. a slot; 11. a hook groove; 12. a rubber plug; 13. a nail hook; 14. fixing a top seat; 15. a transparent sheath; 16. a needle; 17. a limit rod; 18. an adjusting disk.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

the disposable stab-resistant injection needle comprises a barrel 1 and a push rod 2 inserted into the lower side of the barrel 1, wherein a through hole 3 is formed in the top end of the barrel 1, a needle seat 4 is inserted into the top end of an inner cavity of the barrel 1, the top end of the needle seat 4 penetrates through the through hole 3, flexible supporting rods 5 are arranged between the two sides of the top end of the needle seat 4 and the barrel 1, a cutting opening 6 is formed in the lower side of the flexible supporting rods 5, accommodating grooves 7 are symmetrically formed in the two sides of the needle seat 4, springs 8 are arranged on the side walls of the accommodating grooves 7, inserting blocks 9 are arranged at the other ends of the springs 8, inserting grooves 10 are correspondingly formed in the upper sides of the barrel walls of the barrel 1, the inserting blocks 9 are inserted into the inserting grooves 10, hook grooves 11 are formed in the bottom end of the needle seat 4, a rubber plug 12 is arranged at the top end of the push rod 2, nail hooks 13 are arranged at the top ends of the rubber plug 12, and the nail hooks 13 and the hook grooves 11 are mutually matched.

In order to protect the needle 16 before use and then to disassemble the needle during use, the top end of the cylinder 1 is provided with a fixed top seat 14, and the fixed top seat 14 is provided with a transparent sheath 15.

To facilitate the use of the syringe, an injection function is provided, and further, a needle 16 is mounted on the tip of the needle holder 4.

In order to facilitate the retraction of the needle 16 into the barrel 1, the needle cannot freely extend out of the through hole 3, and further, a limit rod 17 is inserted into the side wall of the top end of the barrel 1 in a threaded manner, and an adjusting disc 18 is arranged at the outer side end of the limit rod 17.

According to the utility model, the plug 9 is inserted into the slot 10, the flexible supporting rod 5 is used for fixing the needle seat 4, so that normal use of the syringe is not affected, after the syringe is used, the flexible supporting rod 5 is broken off through the push rod 2, the plug 9 is retracted into the accommodating groove 7 through the spring 8, the needle head 16 is conveniently placed into the cylinder body 1, and other people are prevented from being stabbed.

Embodiment two:

according to the disposable stab-resistant injection needle provided by the utility model, before the use, the transparent sheath 15 is firstly taken off, then after the syringe is used, the push rod 2 is pushed by force, the nail hook 13 is inserted into the hook groove 11, then the push rod 2 is pushed by force continuously, the insert 9 is separated from the slot 10, the insert 9 is retracted into the accommodating groove 7 by the tensile force of the spring 8, and the cutting opening 6 on the flexible supporting rod 5 is broken, so that the needle stand 4 and the needle head 16 can be retracted into the cylinder body 1 when the push rod 2 is retracted, and then the regulating disc 18 is rotated, so that the other end of the limiting rod 17 is inserted into the through hole 3 to block the limiting rod, the needle head 16 is prevented from being extended out of the through hole 3 carelessly, other people are easy to stab, the whole structure is compact, convenience and practicability are realized, accidental injury to other people are greatly reduced, and the safety performance is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a disposable stab-resistant injection needle, includes barrel (1) and barrel (1) downside male push rod (2), its characterized in that: the utility model discloses a novel medical device is characterized in that a through hole (3) is formed in the top end of a barrel body (1), a needle seat (4) is installed in the top end of the inner cavity of the barrel body (1) in an inserted mode, the top end of the needle seat (4) penetrates through the through hole (3), flexible supporting rods (5) are installed between the two sides of the top end of the needle seat (4) and the barrel body (1), cutting ports (6) are formed in the lower side of the flexible supporting rods (5), accommodating grooves (7) are formed in the two sides of the needle seat (4) in a symmetrical mode, springs (8) are installed on the side walls of the accommodating grooves (7), inserting blocks (9) are installed at the other ends of the springs (8), inserting grooves (10) are correspondingly formed in the upper side of the barrel wall of the barrel body (1), inserting blocks (9) are inserted into the inserting grooves (10), hook grooves (11) are formed in the bottom end of the needle seat (4), rubber plugs (12) are installed at the top ends of the rubber plugs (12), and hooks (13) are installed on the top ends of the rubber plugs (12), and the hooks (13) are mutually matched with the hooks (11).

2. A disposable stab-resistant injection needle as claimed in claim 1, wherein: the top end of the cylinder body (1) is provided with a fixed top seat (14), and the fixed top seat (14) is provided with a transparent sheath (15).

3. A disposable stab-resistant injection needle as claimed in claim 1, wherein: the top end of the needle seat (4) is provided with a needle head (16).

4. A disposable stab-resistant injection needle as claimed in claim 1, wherein: a limiting rod (17) is inserted into the side wall of the top end of the cylinder body (1) in a threaded manner, and an adjusting disc (18) is installed at the outer side end of the limiting rod (17).