CN218793357U

CN218793357U - Medical infusion apparatus capable of preventing gas from entering

Info

Publication number: CN218793357U
Application number: CN202222032301.5U
Authority: CN
Inventors: 王金素; 赵燕; 任鸿昌; 任飞
Original assignee: Characteristic Medical Center Of Pla Strategic Support Force
Current assignee: Characteristic Medical Center Of Pla Strategic Support Force
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-04-07
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the technical field of medical equipment, in particular to a medical infusion apparatus for preventing gas from entering, a tapered film bag is arranged on a dropper, a straight opening is arranged at the lower part of the tapered film bag, when a certain amount of liquid medicine enters the tapered film bag, the straight opening is in an open state, and the liquid medicine enters the dropper; when the conical film bag is free of liquid medicine, the straight opening is in a tightly closed state, so that air is prevented from entering; the liquid inlet valve is installed at the lower end of the inner cavity of the dropper, a cavity is arranged in the side wall of the liquid inlet valve, a through hole is formed in the position, away from the bottom wall, of a preset height, of the side wall, the through hole is communicated with the cavity, the cavity is communicated with the lower hose, and when the liquid medicine in the liquid inlet valve reaches the height of the through hole, the liquid medicine enters the regulating valve after entering the cavity, the inner cavity of the dropper and the lower hose through the through hole, so that air is further prevented from entering the lower hose, and the safety and reliability of infusion of a patient are ensured.

Description

Medical infusion apparatus capable of preventing gas from entering

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medical infusion apparatus for preventing gas from entering.

Background

The existing medical infusion apparatus comprises a Murphy's dropper, because the liquid outlet of the Murphy's dropper is at the lowest position, when a nurse is in infusion, in order to ensure the infusion safety, the operation of exhausting is needed firstly, namely, the liquid medicine needs to be reversely led to firstly reach 2/3 of the Murphy's dropper and then be discharged downwards in the forward direction, when the infusion is completed, air easily enters an infusion tube to cause danger to a patient, in order to avoid the danger, a person needs to stare the infusion apparatus all the time, when the liquid medicine is about to be infused, the liquid medicine speed regulator is timely pushed, the infusion is stopped, and the air is prevented from entering, so that a lot of worry and great inconvenience are brought to the patient, family members and the nurse.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a medical infusion apparatus for preventing gas from entering, a tapered film bag is arranged on a dropper, a straight opening is arranged at the lower part of the tapered film bag, when liquid medicine enters the tapered film bag for a certain amount, the straight opening is in an open state, the liquid medicine enters the dropper, and when the tapered film bag does not contain the liquid medicine, the straight opening is in a close closed state, so that air is prevented from entering; a liquid inlet valve is arranged at the lower end of the inner cavity of the dropper, a cavity is arranged in the side wall of the liquid inlet valve, a through hole is arranged at a preset height position of the side wall from the bottom wall, the through hole is communicated with the cavity, the cavity is communicated with the inner cavity of the dropper, and the inner cavity of the dropper is communicated with the lower hose; through the two prevention structures, the safety and the reliability of the transfusion of the patient are ensured.

The utility model provides a specific technical scheme as follows:

a medical infusion apparatus for preventing gas from entering comprises an upper hose, a dropper and a lower hose, wherein the upper hose, the dropper and the lower hose are sequentially connected and connected with a liquid medicine bottle; the liquid inlet valve is mounted at the lower end of the inner cavity of the dropper, a cavity is arranged in the side wall of the liquid inlet valve, a through hole is formed in the position, away from the bottom wall, of the side wall at a preset height, the through hole is communicated with the cavity, and the cavity is communicated with the inner cavity of the dropper.

In some embodiments, the I-shaped opening is communicated with the round opening formed by the upper end wall through a cavity, when the liquid medicine enters the conical film bag, the I-shaped opening is in an open state, and the liquid medicine enters the drip tube; when the conical film bag is free of liquid medicine, the straight opening is in a tightly closed state.

In some embodiments, the liquid inlet valve is provided with a side wall and a bottom wall, a cavity communicated between an inner side wall and an outer side wall of the side wall and in the bottom wall is arranged in the side wall, an inner through hole communicated with the cavity is formed in the inner side wall, and a lower through hole communicated with the inner cavity of the dropper is formed in the bottom wall.

In some embodiments, the distance between the bottom wall and the bottom wall of the inner through hole is a preset distance.

In some embodiments, a boss is arranged outside the bottom wall of the liquid inlet valve.

In some embodiments, the outer side wall of the liquid inlet valve is attached to the inner cavity wall of the dropper, so that the liquid medicine enters the lower hose from the upper hose, the conical membrane bag, the inner through hole, the cavity, the lower through hole and the inner cavity of the dropper.

The beneficial effects are that:

the utility model provides a medical transfusion system for preventing gas from entering, a conical film bag is arranged on a dropper, a straight opening is arranged at the lower part of the conical film bag, when a certain amount of liquid medicine enters the conical film bag, the straight opening is in an open state, the liquid medicine enters the dropper, and when the conical film bag does not contain the liquid medicine, the straight opening is in a close closed state, so that air is prevented from entering; a liquid inlet valve is arranged at the lower end of the inner cavity of the dropper, a cavity is arranged in the side wall of the liquid inlet valve, a through hole is arranged at the position, away from the bottom wall, of the side wall, the through hole is communicated with the cavity, the cavity is communicated with the lower hose, when the liquid medicine in the liquid inlet valve reaches the height of the through hole, the liquid medicine enters the cavity, the inner cavity of the dropper and the lower hose through the through hole and then enters the regulating valve, and air is further prevented from directly entering the lower hose; through the two prevention structures, the safety and the reliability of the transfusion of the patient are ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.

In the drawings:

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

FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1 with no medical fluid introduced;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 1 when the liquid medicine enters;

FIG. 4 is a schematic structural view of a liquid inlet valve;

fig. 5 is a sectional view B-B of fig. 4.

Wherein:

an upper hose 1; a cap end 11; a dropper 2; a burette inner chamber 21; a drip wall 22; a conical film bag 3; a circular opening 31; a straight line 32; a chamber 33; a liquid inlet valve 4; an inner side wall 41; an outer side wall 42; an inner through hole 43; a lower through hole 44; a cavity 45; a bottom wall 46; a boss 47; a lower hose 5; the valve 6 is adjusted.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The following description is of the preferred embodiment for carrying out the present application, but is made for the purpose of illustrating the general principles of the application and is not to be taken in a limiting sense. The protection scope of the present application shall be subject to the definitions of the appended claims.

Referring to fig. 1-5, the preferred embodiment of the present invention:

a medical transfusion system for preventing gas from entering comprises an upper hose 1, a dropper 2, a conical film bag 3 and a liquid inlet valve 4, wherein the upper hose 1 and the dropper 2 are connected with a liquid medicine bottle, the conical film bag 3 is installed at the upper end of a dropper inner cavity 211 of the dropper 2, and the liquid inlet valve 4 is installed at the lower end of the dropper inner cavity 21.

The upper hose 1 comprises a cover end 11, and the cover end 11 is fixedly connected with the upper part of a dropper wall 22 arranged on the dropper 2 to form a dropper inner cavity 21.

The dropper 2 comprises a dropper wall 22 and a dropper inner cavity 21, the lower end 23 of the dropper wall 22 and the lower hose 5 are designed integrally, and in some examples, the cap end 11 is connected with the dropper wall 22 through glue.

The conical membrane bag 3 is of a conical structure, the upper part of the conical membrane bag is a circular opening 31, the small conical end of the lower part of the conical membrane bag is provided with a straight-line-shaped opening 32, a cavity 33 is arranged in the conical membrane bag, the upper end wall of the conical membrane bag 3 is tightly attached to the inner cavity wall of the dropper 2 through viscose glue to form the circular opening 31, when liquid medicine enters the conical membrane bag 3, the straight-line-shaped opening 32 is in an open state, and the liquid medicine enters the dropper 2; when the conical film bag 3 is free of liquid medicine, the straight opening 32 is in a tightly closed state, and the conical film bag 3 is made of a flexible thin material.

In some embodiments, the liquid inlet valve 4 has a side wall and a bottom wall 46, the side wall has an inner side wall 41 and an outer side wall 42, a cavity 45 is disposed between the inner side wall 41 and the outer side wall 42 and inside the bottom wall 46, the inner side wall 41 has an inner through hole 43 communicating with the cavity 45, the bottom wall 46 has two lower through holes 44 communicating with the inner cavity 21 of the dropper, and the number of the lower through holes 44 is two.

It should be noted that the number of the lower through holes 44 can be set according to the requirement.

And a boss 47 is arranged outside the bottom wall 46 of the liquid inlet valve 4.

The distance H is set between the bottom wall of the inner through hole 43 and the bottom wall 46 of the liquid inlet valve 4, the distance is a preset distance, and the H value can be set as required.

The outer side wall 42 of the liquid inlet valve 4 is attached to the wall of the inner cavity 21 of the dropper, so that the liquid medicine enters the lower hose 5 from the upper hose 1, the circular opening 31 of the conical film bag 3, the straight opening 32, the inner through hole 43, the cavity 45, the lower through hole 44 and the inner cavity 21 of the dropper, and then is input into the human body through the regulating valve 6.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The utility model provides a prevent medical transfusion system of gaseous entering, includes consecutive last hose of being connected with the liquid medicine bottle, burette, the lower hose of being connected with the transfusion needle, its characterized in that: a conical membrane bag is fixedly arranged at the upper end of the inner cavity of the dropper, the upper end wall of the conical membrane bag is tightly attached to the wall of the inner cavity of the dropper, the lower part of the conical membrane bag is a small conical end, and a straight opening is formed in the small conical end; the liquid inlet valve is mounted at the lower end of the inner cavity of the dropper, a cavity is arranged in the side wall of the liquid inlet valve, a through hole is formed in the position, away from the bottom wall, of the side wall at a preset height, the through hole is communicated with the cavity, and the cavity is communicated with the inner cavity of the dropper.

2. The gas entry prevention medical infusion set of claim 1 further comprising: the straight opening is communicated with a round opening formed by the upper end wall through a cavity, when the liquid medicine enters the conical film bag, the straight opening is in an open state, and the liquid medicine enters the dropper; when the conical film bag is not filled with liquid medicine, the straight opening is in a tightly closed state.

3. The gas entry prevention medical infusion set of claim 2, further comprising: the feed liquor valve is provided with a side wall and a bottom wall, a communicated cavity is arranged between the inner side wall and the outer side wall of the side wall and in the bottom wall, the inner side wall is provided with an inner through hole communicated with the cavity, and the bottom wall is provided with a lower through hole communicated with the inner cavity of the dropper.

4. The gas entry prevention medical infusion set of claim 3, wherein: the distance between the bottom wall of the inner through hole and the bottom wall is a preset distance.

5. The gas entry prevention medical infusion set of claim 4, wherein: and a boss is arranged on the outer side of the bottom wall of the liquid inlet valve.

6. The gas entry prevention medical infusion set of claim 5, wherein: the outer side wall of the liquid inlet valve is attached to the inner cavity wall of the dropper, so that liquid medicine enters the lower hose from the upper hose, the conical membrane bag, the inner through hole, the cavity, the lower through hole and the inner cavity of the dropper.