CN216877437U

CN216877437U - Anti-backflow infusion device

Info

Publication number: CN216877437U
Application number: CN202220081427.9U
Authority: CN
Inventors: 李亚飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-07-05
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses an anti-reflux infusion device, belongs to the technical field of infusion devices, and solves the technical problem that when a micro pump is used for injecting a medicament into a patient, the medicament does not flow into the patient and flows back into another infusion hanging bottle. The infusion device comprises a hose, wherein the right end of the hose is communicated with an injection needle, the left end of the hose is communicated with a cavity end, and the cavity end is communicated with at least two branch pipes. The interior of branch pipe all is equipped with the check valve, the one end intercommunication that the chamber end was kept away from to the branch pipe has the feed liquor pipe. The left end of the injection needle is fixedly connected with a handheld handle, and a support lug is fixedly connected to the handheld handle. The outer wall of the hose is connected with a curved flow stopping clamp in a sliding mode, a lower bulge is arranged on the inner wall of a bottom plate of the flow stopping clamp, and an upper bulge corresponding to the lower bulge is arranged on the inner wall of a left support plate of the flow stopping clamp. The inner wall of the right support plate of the flow stopping clamp is sequentially provided with a first clamping end, a second clamping end, a third clamping end and a fourth clamping end from top to bottom.

Description

Anti-backflow infusion device

Technical Field

The utility model belongs to the technical field of infusion devices, and particularly relates to an anti-backflow infusion device.

Background

The infusion device is generally an infusion apparatus, is a common medical infusion apparatus, is widely applied in clinic, is a common medical consumable, and establishes a channel between a vein and liquid medicine through aseptic treatment for intravenous infusion. Generally comprises an intravenous injection needle, an infusion hose, a flow rate regulator, a drip cup and the like, and a part of the infusion apparatus also comprises an injection piece, a medicine adding port and the like. Some patients in clinic need to be transfused for a plurality of times for a long time, a reserved needle can be used, the needle head of the reserved needle is buried in the body of the patient, and the next transfusion is more convenient. The end of the reserved needle far away from the injection needle head is generally provided with two liquid medicine injection ports, wherein one port is used for butting an infusion hose of an infusion apparatus to infuse into a patient body through a drip cup, and the other port is used for slowly injecting medicine into the patient body through a medical micro-pump. However, when a medicine is injected into a patient by a micro pump, it often happens that the medicine does not directly enter the patient's body but flows back into the drip cup.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides an anti-reflux infusion device that solves the problems set forth in the background above.

The technical scheme of the utility model is as follows:

in order to achieve the purpose, the utility model is realized by the following technical scheme: an anti-backflow infusion device comprises a hose, wherein the right end of the hose is communicated with an injection needle, the left end of the hose is communicated with a cavity end, the cavity end is communicated with at least two branch pipes, one-way valves are arranged in the branch pipes, and one ends of the branch pipes, which are far away from the cavity end, are communicated with a liquid inlet pipe; the left end of the injection needle is fixedly connected with a handheld handle, and a support lug is fixedly connected to the handheld handle; the outer wall of the hose is connected with a curved flow stopping clamp in a sliding mode, a lower bulge is arranged on the inner wall of a bottom plate of the flow stopping clamp, an upper bulge corresponding to the lower bulge is arranged on the inner wall of a left supporting plate of the flow stopping clamp, and a first clamping end, a second clamping end, a third clamping end and a fourth clamping end are sequentially arranged on the inner wall of a right supporting plate of the flow stopping clamp from top to bottom.

Preferably, a needle cap is sleeved on the injection needle, an internal thread is arranged on the inner wall of the left end of the needle cap, an external thread corresponding to the internal thread is arranged at the right end of the handheld handle, and the needle cap is in threaded connection with the handheld handle.

Preferably, the lower walls of the first clamping end, the second clamping end, the third clamping end and the fourth clamping end are all provided with clamping notches.

Preferably, the outer wall of the left support plate of the flow stopping clamp is fixedly connected with a clamping convex end corresponding to the clamping notch.

Preferably, the branch pipes include a first branch pipe and a second branch pipe, and a first one-way valve allowing only the liquid medicine to flow from the first branch pipe to the cavity end is fixedly arranged in the first branch pipe.

Preferably, a second one-way valve which only allows the liquid medicine to flow from the second branch pipe to the cavity end is fixedly arranged inside the second branch pipe.

Preferably, the bottom plate, the left support plate and the right support plate are integrally formed.

Advantageous effects

The utility model provides an anti-backflow infusion device, which has the following beneficial effects:

1. through the inside check valve that sets up at the branch pipe, the setting of check valve makes the medicament of micropump injection can only flow into patient's internal and can't flow back to the inside of drip cup, has solved the medicament and has flowed back to the inside problem of drip cup.

2. The arrangement of the first clamping end, the second clamping end, the third clamping end and the fourth clamping end on the flow stopping clamp can utilize the upper bulge and the lower bulge to extrude the hose mutually, so that the flow speed during infusion can be regulated and controlled or the flow can be stopped directly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the hose and the flow stop clip of the present invention;

FIG. 3 is a schematic view of the structure of the needle cap of the present invention;

FIG. 4 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the right plate of the present invention.

In the figure: 1. a hose; 2. an injection needle; 3. a lumen end; 4. a first branch pipe; 5. a second branch pipe; 6. a first check valve; 7. a second one-way valve; 8. a liquid inlet pipe; 9. a handle; 10. supporting a lug; 11. a base plate; 12. a left support plate; 13. a right support plate; 14. a lower bulge; 15. an upper bulge; 16. a first card end; 17. a second card end; 18. a third card end; 19. a fourth card end; 20. clamping the convex end; 21. clamping the notches; 22. a needle cap.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and the detailed description of the utility model, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. It should be noted that all the terms of directions, up, down, front, back, left and right, etc. appearing in the present invention are made with reference to fig. 1, and do not limit the present invention, but are only for the purpose of more clearly explaining and explaining the present invention.

Referring to fig. 1 to 5, the utility model discloses an anti-reflux infusion device, which comprises a hose 1, wherein the left end of the hose 1 is communicated with a cavity end 3, the left end of the hose 1 is fixedly connected with the right end of the cavity end 3, the cavity end 3 is communicated with two branch pipes, one branch pipe is arranged on the side wall of the cavity end 3, and the other branch pipe is arranged at the left end of the cavity end 3. Three or more branch pipes can be communicated with the cavity end 3. The inside of each branch pipe is fixedly provided with a one-way valve, one end of each branch pipe, which is far away from the cavity end 3, is used for being butted with a liquid inlet pipe 8, and the liquid inlet pipe 8 is various infusion hoses for conveying medicaments to the cavity end. The right end of the hose 1 is communicated with an injection needle 2, the left end of the injection needle 2 is fixedly connected with a handheld handle 9, the handheld handle 9 is hollow, the handheld handle 9 is communicated with the injection needle 2, and the hose 1 is fixedly connected to the handheld handle 9 and communicated with the handheld handle 9. The outer wall of the handle 9 is fixedly connected with a support lug 10, and when a patient is pricked, the support lug 10 is convenient for a pricker to accurately prick the injection needle 2 into the body of the patient. The outer wall of the hose 1 is connected with a curved flow stopping clamp in a sliding mode, a lower bulge 14 is arranged on the inner wall of a bottom plate 11 of the flow stopping clamp, an upper bulge 15 corresponding to the lower bulge 14 is arranged on the inner wall of a left support plate 12 of the flow stopping clamp, and a first clamping end 16, a second clamping end 17, a third clamping end 18 and a fourth clamping end 19 are sequentially arranged on the inner wall of a right support plate 13 of the flow stopping clamp from top to bottom.

In this embodiment, the bottom plate 11, the left support plate 12 and the right support plate 13 are made of a flexible material integrally formed. One end of the branch pipe far away from the cavity end 3 is communicated with a transfusion soft channel for conveying the medicament to the cavity end 3. The cover is equipped with needle cap 22 on syringe needle 2, and needle cap 22 plays the effect of protection syringe needle 2, is equipped with the internal thread on the left end inner wall of needle cap 22, and the right-hand member of handheld handle 9 is equipped with the external screw thread corresponding with the internal thread, and needle cap 22 and handheld handle 9 threaded connection. Clamping notches 21 are formed in the lower walls of the first clamping end 16, the second clamping end 17, the third clamping end 18 and the fourth clamping end 19, and clamping convex ends 20 corresponding to the clamping notches 21 are fixedly connected to the outer wall of the left support plate 12 of the flow stopping clamp.

In this embodiment, the branch pipes include a first branch pipe 4 and a second branch pipe 5, and a first check valve 6 allowing only the liquid medicine to flow from the first branch pipe 4 to the lumen end 3 is fixedly provided inside the first branch pipe 4. The second branch pipe 5 is internally fixed with a second one-way valve 7 which only allows the liquid medicine to flow from the second branch pipe 5 to the chamber end 3.

The working principle of the utility model is that when a patient is transfused, firstly, the support lug 10 is held by hand to prick the injection needle 2 into the body of the patient, the left end of the second branch pipe 5 is butted with the transfusion hose of the drip cup, then the end of the first support lug 10 far away from the cavity end 3 is butted with the transfusion hose on the syringe injected by the micro pump, and due to the arrangement of the first one-way valve 6 and the second one-way valve 7, the medicament injected into the cavity end 3 by the pressure of the micro pump can only flow into the body of the patient and can not flow back into the drip cup. The distance between the upper bulge 15 and the lower bulge 14 can be adjusted by butting the clamping convex end 20 on the left support plate 12 with the clamping notches 21 at different positions on the right support plate 13 by hand, the hose 1 can be extruded by the upper bulge 15 and the lower bulge 14, and the flow rate of the infusion medicament can be adjusted by extruding the hose 1. When the snap-in nose 20 is butted against the snap-in notch 21 of the fourth snap-in end 19, the hose 1 is squeezed completely closed and the flow of the medicament inside the hose 1 is stopped.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an anti transfusion device that backflows, includes hose (1), the right-hand member intercommunication of hose (1) has syringe needle (2), its characterized in that: the left end of the hose (1) is communicated with a cavity end (3), the cavity end (3) is communicated with at least two branch pipes, one-way valves are arranged in the branch pipes, and one ends of the branch pipes, far away from the cavity end (3), are communicated with a liquid inlet pipe (8); the left end of the injection needle (2) is fixedly connected with a handheld handle (9), and a support lug (10) is fixedly connected to the handheld handle (9); sliding connection has curved shape to end on the outer wall of hose (1) and presss from both sides, it is equipped with down arch (14) on the inner wall of bottom plate (11) that the end pressed from both sides, end be equipped with on the inner wall of the left extension board (12) that the flow pressed from both sides with lower arch (15) are gone up to arch (14) corresponding down, end and be equipped with first card end (16), second card end (17), third card end (18) and fourth card end (19) down on the inner wall of the right extension board (13) that the flow pressed from both sides from last in proper order.

2. The anti-reflux infusion device of claim 1, wherein: the injection needle is characterized in that a needle cap (22) is sleeved on the injection needle (2), an internal thread is arranged on the inner wall of the left end of the needle cap (22), an external thread corresponding to the internal thread is arranged at the right end of the handheld handle (9), and the needle cap (22) is in threaded connection with the handheld handle (9).

3. The anti-reflux infusion device of claim 2, wherein: clamping notches (21) are formed in the lower walls of the first clamping end (16), the second clamping end (17), the third clamping end (18) and the fourth clamping end (19).

4. The anti-reflux infusion device of claim 3, wherein: the outer wall of the left support plate (12) of the flow stopping clamp is fixedly connected with a clamping convex end (20) corresponding to the clamping notch (21).

5. The anti-reflux infusion device of claim 1, wherein: the branch pipes comprise a first branch pipe (4) and a second branch pipe (5), and a first one-way valve (6) which only allows liquid medicine to flow from the first branch pipe (4) to the cavity end (3) is fixedly arranged in the first branch pipe (4).

6. The anti-reflux infusion device as set forth in claim 5, wherein: a second one-way valve (7) which only allows the liquid medicine to flow from the second branch pipe (5) to the cavity end (3) is fixedly arranged in the second branch pipe (5).

7. The anti-reflux infusion device of claim 1, wherein: the bottom plate (11), the left support plate (12) and the right support plate (13) are integrally formed.