CN219743555U

CN219743555U - Tooth treatment injector

Info

Publication number: CN219743555U
Application number: CN202320718675.4U
Authority: CN
Inventors: 林纯媚; 张鹏飞; 曾庆辉; 余良清; 祝攀飞
Original assignee: Shenzhen Huatong International Inspection Co ltd
Current assignee: Shenzhen Huatong International Inspection Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-09-26
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a tooth treatment injector which comprises a pipe body, wherein one end of the pipe body is fixedly connected with a mounting seat, a needle seat is sleeved outside the mounting seat, one end of the needle seat, which is far away from the pipe body, is fixedly connected with a needle head, one end of the pipe body, which is far away from the needle seat, is slidingly connected with a piston head, one end of the piston head, which is far away from the needle head, is fixedly connected with a piston rod, one end of the pipe body, which is close to the needle head, is externally sheathed with a needle pushing mechanism in a sliding manner, and one end of the pipe body, which is far away from the needle head, is fixedly connected with a pair of pressing hands. According to the utility model, the needle pushing mechanism is arranged on the tube body, so that the injection needle is safer and more convenient to remove, and secondary infection caused by the injury of the injection needle to medical care is avoided.

Description

Tooth treatment injector

Technical Field

The utility model relates to the field of medical equipment, in particular to a tooth treatment injector.

Background

In the tooth treatment process, anesthesia or medicine injection is usually needed through the syringe, the syringe is used as a common medical instrument, medicine is pushed to flow out of the needle head through the piston, so that medicine is conveniently administered, the syringe is required to be taken down to replace a new needle head after being used, the needle head is generally fixed on the needle cylinder through friction force, the force is inconvenient when the needle head is pulled down, the labor intensity of medical staff is high, meanwhile, the joint is tiny, the hand slip is easy to cause the needle head to stab the medical staff, and secondary infection is formed.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing injector is inconvenient to remove the needle head and is easy to cause injury.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a tooth treatment syringe, including the pipe shaft, the one end fixedly connected with mount pad of pipe shaft, the mount pad overcoat is equipped with the needle file, the one end fixedly connected with syringe needle of pipe shaft is kept away from to the needle file, the one end sliding connection that the needle file was kept away from to the pipe shaft has the piston head, the one end fixedly connected with piston rod that the syringe needle was kept away from to the piston head, the one end outside the sliding sleeve that the pipe shaft is close to the syringe needle is equipped with pushing pin mechanism, the one end fixedly connected with a pair of press hand that the syringe needle was kept away from to the pipe shaft.

Through the technical scheme, the needle head can be removed and abandoned more conveniently and safely.

The utility model is further characterized in that a pushing handle is fixedly connected to one end, far away from the piston head, of the piston rod, a plurality of reinforcing plates are fixedly connected to the outer side of the piston rod, and a plurality of anti-skid patterns are formed on the pushing handle.

The utility model further provides that one end of the piston head, which is far away from the piston rod, is fixedly connected with a rubber plug, the rubber plug is in sliding fit with the pipe body, and the outer diameter of the rubber plug is slightly larger than the inner diameter of the pipe body.

By the technical scheme, the sealing performance of the piston can be improved.

The utility model further provides that the push needle mechanism comprises a push rod, the push rod penetrates through the push rod and is connected with a pressing hand in a sliding manner, one end of the push rod, which is close to the needle seat, is fixedly connected with a movable sleeve, and one end of the push rod, which is far away from the movable sleeve, is fixedly connected with a push plate.

The utility model is further characterized in that the movable sleeve and the pipe body are in sliding fit with each other, an upper through hole is formed in one end, close to the push rod, of the movable sleeve, the pipe body is connected with the upper through hole in a penetrating and sliding mode, a spring is fixedly connected in the movable sleeve, and a lower through hole is formed in one end, far away from the upper through hole, of the movable sleeve.

Through the technical scheme, the movable sleeve can return through the action of the spring after the needle seat is pushed out, and meanwhile, the needle head flies out due to the fact that the needle pushing speed is too high through the spring.

The utility model is further arranged that one end of the spring far away from the upper through hole is fixedly connected with a baffle plate, the baffle plate is fixedly connected with the pipe body, the lower through hole is in sliding fit with the mounting seat, and the diameter of the lower through hole is smaller than the outer diameter of the needle seat.

Through the technical scheme, the movable sleeve can prop against the needle seat to separate the needle seat from the mounting seat, so that the needle head is safely and conveniently removed.

The utility model further provides that the pipe body, the pressing hand and the mounting seat are all made of transparent plastics, the pipe body is fixedly connected with a plurality of scales, the pipe body, the pressing hand and the mounting seat are integrally arranged, the pressing hand is provided with a through hole, and the through hole is internally penetrated and slidably connected with a push rod.

Through the technical scheme, the whole tightness of the injector can be ensured, and meanwhile, the structural strength is improved.

The utility model further provides that the push plate, the push rod and the movable sleeve are integrally arranged, and the push plate, the push rod and the movable sleeve are all made of stainless steel.

The beneficial effects of the utility model are as follows:

according to the utility model, the push needle mechanism is arranged outside the tube body, after the syringe is used, the push plate is pushed to drive the push rod, the push rod drives the movable sleeve to move downwards, the needle seat on the mounting seat is pushed out, the medical staff is prevented from being pricked by the needle head when the needle head is pulled out, the risk of secondary infection is greatly reduced, the movable sleeve can be reset through the spring, and the next needle head can be conveniently mounted.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an internal cross-sectional view of the pusher head of the present utility model.

In the figure: 1. a pipe body; 2. pressing the hand; 3. a piston rod; 4. a reinforcing plate; 5. pushing hands; 6. a piston head; 7. a rubber stopper; 8. a through hole; 9. a push pin mechanism; 91. a push plate; 92. a push rod; 93. a movable sleeve; 94. an upper through hole; 95. a lower through hole; 10. a mounting base; 11. a needle stand; 12. a needle; 13. a baffle; 14. and (3) a spring.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1, 2 and 3, a dental treatment injector comprises a tube body 1, one end of the tube body 1 is fixedly connected with a mounting seat 10, a needle seat 11 is sleeved outside the mounting seat 10, one end of the needle seat 11 away from the tube body 1 is fixedly connected with a needle head 12, one end of the tube body 1 away from the needle seat 11 is slidably connected with a piston head 6, one end of the piston head 6 away from the needle head 12 is fixedly connected with a piston rod 3, one end of the tube body 1 close to the needle head 12 is slidably sleeved with a push pin mechanism 9, one end of the tube body 1 away from the needle head 12 is fixedly connected with a pair of handles 2, one end of the piston head 6 away from the piston rod 3 is fixedly connected with a rubber plug 7, the rubber plug 7 is in sliding fit with the tube body 1, the outer diameter of the rubber plug 7 is slightly larger than the inner diameter of the tube body 1, one end of the piston rod 3 away from the piston head 6 is fixedly connected with a push pin 5, the outer end of the piston rod 3 is fixedly connected with a plurality of reinforcing plates 4, a plurality of anti-slip patterns are arranged on the push pin 5, the movable sleeve 93 is matched with the pipe body 1 in a sliding way, an upper through hole 94 is formed at one end of the movable sleeve 93, which is close to the push rod 92, the pipe body 1 is connected with the upper through hole 94 in a penetrating and sliding way, a spring 14 is fixedly connected in the movable sleeve 93, a lower through hole 95 is formed at one end of the movable sleeve 93, which is far away from the upper through hole 94, the push rod 92 is connected with the push rod 2 in a penetrating and sliding way, the movable sleeve 93 is fixedly connected with one end of the push rod 92, which is close to the needle seat 11, a push plate 91 is fixedly connected with one end of the push rod 92, which is far away from the movable sleeve 93, a baffle 13 is fixedly connected with one end of the spring 14, which is far away from the upper through hole 94, the baffle 13 is fixedly connected with the pipe body 1, the lower through hole 95 is matched with the installation seat 10 in a sliding way, the diameter of the lower through hole 95 is smaller than the outer diameter of the needle seat 11, the pipe body 1, the push rod 2 and the installation seat 10 are made of transparent plastics, a plurality of scales are fixedly connected on the pipe body 1, the pipe body 1, the press hand 2 and the mounting seat 10 are integrally arranged, the press hand 2 is provided with a through hole 8, a push rod 92 is connected in the through hole 8 in a penetrating and sliding manner, the push plate 91, the push rod 92 and the movable sleeve 93 are integrally arranged, and the push plate 91, the push rod 92 and the movable sleeve 93 are all made of stainless steel.

When the needle holder is used, the needle holder 11 is sleeved on the mounting seat 10, the piston rod 3 is pulled to drive the rubber plug 7 of the flower-spreading girl on the piston head 6 to move, so that the liquid medicine is sucked, then the push handle 2 is pushed to drive the rubber plug 7 on the piston head 6 to move, so that the liquid medicine is pushed out, when the needle 12 needs to be removed, the push plate 91 is pressed, the push plate 91 drives the push rod 92 to move downwards, the push rod 92 pushes the movable sleeve 93 to move downwards, the movable sleeve 93 pushes the needle holder 11 to push the needle holder 11 out of the mounting seat 10, the needle holder 11 is separated from the pipe body 1, and then the spring 14 pushes the movable sleeve 93 to return, so that the next installation of the needle 12 is facilitated.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A dental treatment injector comprising a tube (1), characterized in that: one end fixedly connected with mount pad (10) of pipe shaft (1), mount pad (10) overcoat is equipped with needle file (11), one end fixedly connected with syringe needle (12) of pipe shaft (1) are kept away from to needle file (11), one end sliding connection that needle file (11) were kept away from to pipe shaft (1) has piston head (6), one end fixedly connected with piston rod (3) that syringe needle (12) were kept away from to piston head (6), one end outer slip cover that pipe shaft (1) is close to syringe needle (12) is equipped with pushing pin mechanism (9), one end fixedly connected with pair of push hands (2) that syringe needle (12) were kept away from to pipe shaft (1).

2. A dental treatment injector as in claim 1, wherein: one end of the piston rod (3) far away from the piston head (6) is fixedly connected with a pushing handle (5), a plurality of reinforcing plates (4) are fixedly connected with the outside of the piston rod (3), and a plurality of anti-slip lines are formed in the pushing handle (5).

3. A dental treatment injector as in claim 1, wherein: one end of the piston head (6) far away from the piston rod (3) is fixedly connected with a rubber plug (7), the rubber plug (7) is in sliding fit with the pipe body (1), and the outer diameter of the rubber plug (7) is slightly larger than the inner diameter of the pipe body (1).

4. A dental treatment injector as in claim 1, wherein: the push needle mechanism (9) comprises a push rod (92), the push rod (92) penetrates through the push rod and is connected with a pressing hand (2), one end, close to the needle seat (11), of the push rod (92) is fixedly connected with a movable sleeve (93), and one end, far away from the movable sleeve (93), of the push rod (92) is fixedly connected with a push plate (91).

5. A dental treatment injector as in claim 4, wherein: the movable sleeve (93) is in sliding fit with the pipe body (1), an upper through hole (94) is formed in one end, close to the push rod (92), of the movable sleeve (93), the pipe body (1) penetrates through the upper through hole (94) in a sliding connection mode, a spring (14) is fixedly connected in the movable sleeve (93), and a lower through hole (95) is formed in one end, far away from the upper through hole (94), of the movable sleeve (93).

6. A dental treatment syringe according to claim 5, wherein: one end of the spring (14) away from the upper through hole (94) is fixedly connected with a baffle (13), the baffle (13) is fixedly connected with the pipe body (1), the lower through hole (95) is in sliding fit with the mounting seat (10), and the diameter of the lower through hole (95) is smaller than the outer diameter of the needle seat (11).

7. A dental treatment injector as in claim 1, wherein: the pipe body (1), the pressing hand (2) and the mounting seat (10) are made of transparent plastics, a plurality of scales are fixedly connected to the pipe body (1), the pressing hand (2) and the mounting seat (10) are integrally arranged, a through hole (8) is formed in the pressing hand (2), and a push rod (92) is connected in the through hole (8) in a penetrating and sliding mode.

8. A dental treatment injector as in claim 4, wherein: the push plate (91), the push rod (92) and the movable sleeve (93) are integrally arranged, and the push plate (91), the push rod (92) and the movable sleeve (93) are all made of stainless steel.