CN215460959U

CN215460959U - Medical safety syringe

Info

Publication number: CN215460959U
Application number: CN202022446718.7U
Authority: CN
Inventors: 王维文
Original assignee: Zhejiang Huafu Medical Equipment Co ltd
Current assignee: Zhejiang Huafu Medical Equipment Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2022-01-11
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a medical safety injector which comprises a needle cylinder, wherein one side of the needle cylinder is communicated with a feed pipe, one side of the feed pipe is communicated with a needle head, a piston rod is sleeved in the needle cylinder, one end of the piston rod is connected with a push plate, one end of the push plate is provided with a connecting rod, one end of the connecting rod is connected with a piston pad, the other end of the piston rod is connected with a press plate, and the periphery of the piston rod is sleeved with a limit block. The medical safety syringe is suitable for wide popularization and use.

Description

Medical safety syringe

Technical Field

The utility model relates to the technical field of medical injectors, in particular to a medical safety injector.

Background

The injector is a common device in medical instruments, and the injector in common use at present comprises a needle, a needle tube and a piston rod, wherein the injector consists of a needle cylinder with a small hole at the front end and a piston rod matched with the needle cylinder, the injector is used for injecting a small amount of liquid or extracting the liquid or the liquid from areas which cannot be accessed by other methods, the liquid or gas is sucked from the small hole at the front end of the needle cylinder when the piston rod is extracted, the liquid or gas is extruded when the piston rod is pushed in, and the process of extracting or injecting the gas or the liquid by the injector and the needle is called injection.

202020194822.9 discloses a medical safety syringe with improved sealing effect, air-out prevention and safety.

The device also has the following disadvantages: 1. the different medicaments are extracted at one time, waste is easy, 2, solid particles are easy to exist in the medicaments and can cause harm to human bodies, and 3, a needle head needs to be protected.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a medical safety syringe which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a medical safety syringe, includes the cylinder, cylinder one side intercommunication has the inlet pipe, inlet pipe one side intercommunication has the syringe needle, the piston rod has been cup jointed in the cylinder, piston rod one end is connected with the push pedal, push pedal one end is provided with the connecting rod, connecting rod one end is connected with the piston pad, the piston rod other end is connected with presses the pressing plate, the stopper has been cup jointed to the piston rod periphery.

Further, a sleeve is sleeved outside the needle head, a disinfection sponge is filled in the sleeve, and a sealing gasket is arranged at the joint of the feeding pipe and the needle head.

Furthermore, an auxiliary pressing plate is arranged at one end of the pressing plate and connected with the connecting rod through a core rod.

Furthermore, the periphery of the needle cylinder is provided with a finger fastener, and the piston rod is connected with the needle cylinder in a sliding manner.

Furthermore, a filter screen is arranged at one end in the feeding pipe, and clamping blocks are arranged on two sides in the feeding pipe.

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

1. through setting up sleeve, piston rod, push pedal, connecting rod, piston pad, press the clamp plate and vice press the clamp plate, medical personnel can drive the piston pad motion through tensile vice press the clamp plate, absorb first liquid medicine, later medical personnel can stretch and drive the push pedal motion according to the clamp plate, conveniently absorb second kind of liquid medicine, only need promote during the exhaust press the clamp plate can, the injection is conveniently absorbed to the liquid medicine of difference.

2. Through setting up the filter screen, insoluble particle in can effectual filtering liquid medicine prevents that insoluble particle from entering into the patient along with the liquid medicine internal, causes harm to patient's healthy, through setting up finger lock, can make things convenient for medical personnel to hold the syringe tightly, avoids the syringe to drop and causes the pollution.

3. Through setting up sleeve and disinfection sponge, the sleeve can protect the syringe needle can not receive external pollution, and the disinfection sponge can disinfect to the syringe needle, makes things convenient for follow-up use, through setting up the fixture block, can carry on spacingly to the piston pad after the syringe finishes using, avoids syringe multiple use, ensures that the syringe that the patient used is safe and harmless.

Drawings

Fig. 1 is a schematic view of the overall structure of a medical safety syringe according to the present invention.

Fig. 2 is a structural schematic view of a feeding tube of the medical safety syringe.

In the figure: 1. a needle cylinder; 2. a piston rod; 3. a needle head; 4. pushing the plate; 5. a connecting rod; 6. a piston pad; 7. a feed pipe; 8. a filter screen; 9. a gasket; 10. a sleeve; 11. a clamping block; 12. finger fasteners; 13. a limiting block; 14. a pressing plate; 15. an auxiliary pressing plate; 16. sterilizing the sponge; 17. a core rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a medical safety syringe, includes cylinder 1, 1 one side intercommunication of cylinder has inlet

pipe

7, 7 one side intercommunication of inlet pipe has syringe needle 3, piston rod 2 has been cup jointed in the cylinder 1, 2 one end of piston rod is connected with

push pedal

4, 4 one ends of push pedal are provided with connecting rod 5, 5 one end of connecting rod is connected with piston pad 6, 2 other ends of piston rod are connected with

press plate

14, 2 peripheral stopper 13 that has cup jointed of piston rod.

The outer part of the needle head 3 is sleeved with a sleeve 10, a disinfection sponge 16 is filled in the sleeve 10, and a sealing gasket 9 is arranged at the joint of the feeding pipe 7 and the needle head 3.

In this embodiment, as shown in fig. 1, the sleeve 10 can protect the needle 3 from being contaminated by the outside, the disinfection sponge 16 can disinfect the needle 3, so as to facilitate subsequent use, and the sealing gasket 9 can prevent the liquid medicine from spilling during injection, thereby saving resources.

Wherein, one end of the pressing plate 14 is provided with an auxiliary pressing plate 15, and the auxiliary pressing plate 15 is connected with the connecting rod 5 through a core rod 17.

In this embodiment, as shown in fig. 1, the medical staff can drive the piston pad 6 to move by stretching the auxiliary pressing plate 15, so as to suck the first liquid medicine, thereby facilitating the subsequent liquid medicine suction.

Wherein, the periphery of the syringe 1 is provided with a finger button 12, and the piston rod 2 is connected with the syringe 1 in a sliding way.

In this embodiment, as shown in fig. 1, the finger clip 12 can facilitate the medical staff to grip the syringe, so as to avoid the contamination caused by the syringe falling and damage.

Wherein, one end is provided with filter screen 8 in the inlet pipe 7, both sides all are provided with fixture block 11 in the inlet pipe 7.

As shown in fig. 1 and 2 in this embodiment, insoluble particle in the filter screen 8 can effectual filtering liquid medicine prevents that insoluble particle from entering into the patient along with the liquid medicine internally, causes harm to patient's healthy, and fixture block 11 can carry on spacingly to piston pad 6 after the syringe finishes using, avoids syringe repetitious usage, ensures that the syringe that the patient used is safe and harmless.

It should be noted that, the utility model is a medical safety syringe, during operation, medical personnel need to first extract the sleeve 10 and sterilize the syringe needle 3 through the disinfection sponge 16, which is convenient for subsequent use, then the medical personnel can drive the piston pad 6 to move through the stretching pair pressing plate 15, so as to absorb the first liquid medicine, then the medical personnel can stretch the pressing plate 14 to drive the pushing plate 4 to move, so as to conveniently absorb the second liquid medicine, then the medical personnel can exhaust the inside of the syringe 1 only by pushing the pressing plate 14, so as to conveniently absorb the injection liquid from different liquid medicines, the finger buckle 12 can be convenient for the medical personnel to hold the syringe, so as to avoid the syringe from falling and being damaged to cause pollution, the filter screen 8 is arranged in the feed pipe 7, so as to effectively filter the insoluble particles in the liquid medicine, prevent the insoluble particles from entering the body of the patient along with the liquid medicine, and causing harm to the body health of the patient, after injection, the piston pad 6 can be limited by the block 11, and forced stretching can be self-destructed, so that the injector is prevented from being used for many times, the safety and harmlessness of the injector used by a patient are ensured, and the operation is simple and convenient.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A medical safety syringe comprises a syringe (1), and is characterized in that: needle cylinder (1) one side intercommunication has inlet pipe (7), inlet pipe (7) one side intercommunication has syringe needle (3), piston rod (2) have been cup jointed in needle cylinder (1), piston rod (2) one end is connected with push pedal (4), push pedal (4) one end is provided with connecting rod (5), connecting rod (5) one end is connected with piston pad (6), the piston rod (2) other end is connected with presses down clamp plate (14), stopper (13) have been cup jointed to piston rod (2) periphery.

2. A medical safety syringe according to claim 1, wherein: sleeve (10) have been cup jointed to syringe needle (3) outside, disinfection sponge (16) are filled in sleeve (10), inlet pipe (7) are provided with sealed pad (9) with syringe needle (3) junction.

3. A medical safety syringe according to claim 1, wherein: one end of the pressing plate (14) is provided with an auxiliary pressing plate (15), and the auxiliary pressing plate (15) is connected with the connecting rod (5) through a core rod (17).

4. A medical safety syringe according to claim 1, wherein: the outer periphery of the needle cylinder (1) is provided with a finger buckle (12), and the piston rod (2) is connected with the needle cylinder (1) in a sliding manner.

5. A medical safety syringe according to claim 1, wherein: one end is provided with filter screen (8) in inlet pipe (7), both sides all are provided with fixture block (11) in inlet pipe (7).