CN218484958U

CN218484958U - Medicine injection device

Info

Publication number: CN218484958U
Application number: CN202222805813.0U
Authority: CN
Inventors: 崔希敏; 李珊珊
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-17
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a medicine injection device, including the cylinder, the surface of cylinder is provided with the chucking subassembly, and the chucking subassembly has been seted up the chucking groove including the fixed block that is fixed in the cylinder surface at the top of fixed block, the equal fixedly connected with elastic clamping pad in both sides of chucking inslot wall, and the notch has been seted up to the surface of cylinder one end, and the surface cover of notch is equipped with the heating jacket, and the inside of heating jacket is provided with the heating film. The utility model discloses a chucking can carry out the chucking to the lag of protection syringe needle, avoid putting at will of lag, cause the phenomenon of losing, influence the protection of follow-up syringe needle, through the setting of heating jacket, be convenient for heat the inside liquid medicine of cylinder, avoid low temperature weather, the liquid medicine temperature is low excessively, cause follow-up injection back, patient's discomfort, good heating function has, and can dismantle the heating jacket according to actual conditions, injection device's functionality and practicality have further been improved.

Description

Medicine injection device

Technical Field

The utility model relates to a medicine injection technical field especially relates to a medicine injection device.

Background

The syringe is a common medical appliance, and is mainly used for injecting liquid medicine or drawing liquid. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. Injection of gas into a blood vessel will cause air embolism and removal of air from the syringe to avoid embolism is by inverting the syringe, tapping gently, and then squeezing out a bit of liquid before injection into the blood stream.

In the correlation technique, medical personnel need borrow injection device to operate when carrying out the medicine injection to patient, or when allotting the medicine, and traditional injection device function singleness does not have the function of preventing losing and heating to in the actual operation, be used for putting at will the lag of syringe needle protection, and then cause losing of lag, moreover under low temperature weather, the liquid medicine temperature is low excessively, causes patient's injection back, the pain of hand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect that the prior art does not have the loss prevention function, and provides a medicine injection device.

In order to realize the purpose, the utility model adopts the following technical scheme:

a medicine injection device comprises a needle cylinder, wherein a clamping assembly is arranged on the outer surface of the needle cylinder and comprises a fixed block fixed on the outer surface of the needle cylinder, a clamping groove is formed in the top of the fixed block, elastic clamping pads are fixedly connected to two sides of the inner wall of the clamping groove, a notch is formed in the outer surface of one end of the needle cylinder, a heating sleeve is sleeved on the outer surface of the notch, and a heating film is arranged inside the heating sleeve;

through the setting of chucking subassembly, can carry out the chucking to the lag of protection syringe needle, avoid putting at will the lag, cause the phenomenon of losing, influence the protection of follow-up syringe needle, through the inside with the lag inserts the chucking groove, the elasticity through both sides presss from both sides tight pad and can carry out the chucking to the lag that is in the inside of chucking groove, and then has improved the stability that the lag chucking was deposited.

The above technical solution further comprises:

the outer surface of one end of the notch is provided with a thread, and one end of the notch is connected with a limiting ring through the thread of the thread.

The syringe needle is arranged at one end of the syringe needle, a clamping ring is arranged on the outer surface of the syringe needle, a protective sleeve is clamped on the outer surface of one end of the syringe needle, and an annular groove is formed in the inner surface of the protective sleeve.

The rubber piston is connected to the inside of the needle cylinder in a sliding mode, a driving rod is fixedly connected to one side of the rubber piston, and one end of the driving rod penetrates through the needle cylinder and extends to the outside of the needle cylinder.

The outer surface of the needle cylinder is provided with a driving assembly, the driving assembly comprises an L-shaped plate and a connecting block fixed on the outer surface of the needle cylinder, and the bottom of the connecting block is provided with a threaded hole.

The bottom of L template inner wall is rotated and is connected with the lead screw, the bottom of lead screw runs through the L template and extends to the bottom of L template, one side fixedly connected with electric telescopic handle of L template, electric telescopic handle's other end fixedly connected with drive block.

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

in the utility model, the protective sleeve of the protective needle head can be clamped through the clamping component, the phenomenon of loss caused by random placement of the protective sleeve is avoided, the subsequent needle head protection is influenced, the protective sleeve can be clamped through the elastic clamping pads on two sides by inserting the protective sleeve into the clamping groove, and the stability of clamping and storing the protective sleeve is further improved; through the setting of heating jacket, be convenient for heat the inside liquid medicine of cylinder, avoid low temperature weather, the liquid medicine temperature is low excessively, causes follow-up injection back, and patient's discomfort has good heating function, can dismantle the heating jacket according to actual conditions moreover, has further improved injection device's functionality and practicality.

Drawings

Fig. 1 is a schematic structural view of a drug injection device according to the present invention;

FIG. 2 is a structural sectional view of the cylinder of FIG. 1;

FIG. 3 is a schematic view of the needle and shield combination of FIG. 1;

FIG. 4 is a top view of the construction of the cartridge of FIG. 1;

fig. 5 is a bottom view of the syringe of fig. 1.

In the figure: 1. a needle cylinder; 2. a clamping assembly; 21. a fixed block; 22. a clamping groove; 23. an elastic clamping pad; 3. a recess; 4. heating a jacket; 5. thread teeth; 6. a limiting ring; 7. a needle head; 8. a clamping ring; 9. a protective sleeve; 10. an annular groove; 11. a rubber piston; 12. a drive rod; 13. a drive assembly; 131. an L-shaped plate; 132. connecting blocks; 133. a screw rod; 134. an electric telescopic rod; 135. and driving the block.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a drug injection device, including cylinder 1, the surface of cylinder 1 is provided with chucking subassembly 2, chucking subassembly 2 is including being fixed in fixed block 21 of the surface of cylinder 1, chucking groove 22 has been seted up at the top of fixed block 21, the both sides of chucking groove 22 inner wall are all fixedly connected with elastic clamping pad 23, the surface of one end of cylinder 1 has seted up notch 3, the surface cover of notch 3 is equipped with heating jacket 4, the inside of heating jacket 4 is provided with the heating film;

through the arrangement of the clamping assembly 2, the protective sleeve 9 of the protective needle 7 can be clamped, the phenomenon that the protective sleeve 9 is lost due to random placement is avoided, the subsequent protection of the needle 7 is influenced, the protective sleeve 9 is inserted into the clamping groove 22, the protective sleeve 9 in the clamping groove 22 can be clamped through the elastic clamping pads 23 on the two sides, and the stability of clamping and storing the protective sleeve 9 is improved;

through the setting of heating jacket 4, be convenient for heat the inside liquid medicine of cylinder 1, avoid low temperature weather, the liquid medicine temperature is low excessively, causes follow-up injection back, and patient's discomfort has good heating function, can dismantle heating jacket 4 according to actual conditions moreover, has further improved injection device's functionality and practicality.

The above technical solution further comprises:

the outer surface of one end of the notch 3 is provided with a thread 5, and one end of the notch 3 is in threaded connection with a limiting ring 6 through the thread 5;

through the arrangement of the thread teeth 5, the thread connection of the limiting ring 6 is convenient, so that the stability of the heating jacket 4 sleeved on the outer surface of the needle cylinder 1 is ensured.

A needle head 7 is arranged at one end of the needle cylinder 1, a clamping ring 8 is arranged on the outer surface of the needle head 7, a protective sleeve 9 is clamped on the outer surface of one end of the needle head 7, and an annular groove 10 is formed in the inner surface of the protective sleeve 9;

through the setting of lag 9, be convenient for protect syringe needle 7, through the setting of chucking ring 8, the chucking of being convenient for is in the inside of annular groove 10 moreover to improve lag 9 and avoid appearing the obscission to the stability of syringe needle 7 protection.

A rubber piston 11 is slidably connected inside the needle cylinder 1, a driving rod 12 is fixedly connected to one side of the rubber piston 11, and one end of the driving rod 12 penetrates through the needle cylinder 1 and extends to the outside of the needle cylinder 1;

the driving rod 12 is pushed manually, so that the rubber piston 11 can be driven to move in the same direction, and the medicament in the needle cylinder 1 can be extruded to form medicament injection work.

In this embodiment, manual lag 9 with on the syringe needle 7 is extracted, again with lag 9 chucking in the inside of chucking groove 22, the elastic clamping pad 23 through chucking groove 22 both sides can press from both sides tight lag 9, avoid putting at will lag 9, cause the phenomenon of losing, influence the protection of follow-up syringe needle 7, in addition through the setting of heating jacket 4, be convenient for heat the inside liquid medicine of syringe 1, avoid low temperature weather, the liquid medicine temperature is crossed lowly.

Example two

As shown in fig. 5, based on the first embodiment, a driving assembly 13 is disposed on an outer surface of the needle cylinder 1, the driving assembly 13 includes an L-shaped plate 131 and a connecting block 132 fixed to the outer surface of the needle cylinder 1, and a threaded hole is formed in a bottom of the connecting block 132;

through the setting of screw hole, the insertion of the lead screw 133 is convenient for L type board 131 is connected with connecting block 132.

The bottom of the inner wall of the L-shaped plate 131 is rotatably connected with a screw rod 133, the bottom end of the screw rod 133 penetrates through the L-shaped plate 131 and extends to the bottom of the L-shaped plate 131, one side of the L-shaped plate 131 is fixedly connected with an electric telescopic rod 134, and the other end of the electric telescopic rod 134 is fixedly connected with a driving block 135.

In this embodiment, through inserting lead screw 133 in the screw hole, and rotate lead screw 133, through the rotation of lead screw 133, the inside to the screw hole can be twisted to the top of lead screw 133, accomplish the installation of drive assembly 13, through the start-up of electric telescopic handle 134, can drive the drive block 135 side-to-side movement, through the motion of drive block 135 left, can drive actuating lever 12 and move, can drive rubber piston 11 and move and carry out the medicine injection, automatic injection function has, be convenient for medical treatment two hands support syringe 1, improve the convenience of medicine injection.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a medicine injection device, includes cylinder (1), its characterized in that, the surface of cylinder (1) is provided with chucking subassembly (2), chucking subassembly (2) is including being fixed in fixed block (21) of cylinder (1) surface, chucking groove (22) have been seted up at the top of fixed block (21), the equal fixedly connected with elastic clamping pad (23) in both sides of chucking groove (22) inner wall, notch (3) have been seted up to the surface of cylinder (1) one end, the surface cover of notch (3) is equipped with heating jacket (4), the inside of heating jacket (4) is provided with the heating film.

2. A medicament injection apparatus according to claim 1, wherein the outer surface of one end of the recess (3) is provided with a thread (5), and one end of the recess (3) is threadedly connected with a stop collar (6) via the thread (5).

3. A drug injection device according to claim 1, characterized in that one end of said syringe (1) is provided with a needle (7), the outer surface of said needle (7) is provided with a snap ring (8), the outer surface of one end of said needle (7) is snap-fitted with a shield (9), and the inner surface of said shield (9) is provided with an annular groove (10).

4. A drug injection device according to claim 1, characterized in that a rubber piston (11) is slidably connected to the inside of the syringe (1), a driving rod (12) is fixedly connected to one side of the rubber piston (11), and one end of the driving rod (12) penetrates through the syringe (1) and extends to the outside of the syringe (1).

5. The medicine injection device according to claim 1, wherein the outer surface of the syringe (1) is provided with a driving assembly (13), the driving assembly (13) comprises an L-shaped plate (131) and a connecting block (132) fixed on the outer surface of the syringe (1), and a threaded hole is formed in the bottom of the connecting block (132).

6. The medicine injection device according to claim 5, wherein a screw rod (133) is rotatably connected to the bottom of the inner wall of the L-shaped plate (131), the bottom end of the screw rod (133) penetrates through the L-shaped plate (131) and extends to the bottom of the L-shaped plate (131), an electric telescopic rod (134) is fixedly connected to one side of the L-shaped plate (131), and a driving block (135) is fixedly connected to the other end of the electric telescopic rod (134).