CN215023800U

CN215023800U - Transfusion system

Info

Publication number: CN215023800U
Application number: CN202120471268.9U
Authority: CN
Inventors: 段先红
Original assignee: No 3 Peoples Hospital of Chengdu
Current assignee: No 3 Peoples Hospital of Chengdu
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-07
Anticipated expiration: 2031-03-04

Abstract

An infusion set comprising: puncture outfit, drip cup, transfer line, air hose and syringe needle. The puncture outfit is provided with a liquid cavity and a gas cavity, the liquid cavity and the gas cavity are parallel and independently arranged, the inlet of the liquid cavity is positioned at the top of the puncture outfit, the outlet of the liquid cavity is positioned at the bottom of the puncture outfit, the outlet of the liquid cavity is communicated with a liquid conveying pipe, the side wall of the lower section of the puncture outfit is provided with an air inlet pipe, the air inlet pipe is communicated with the gas cavity, and the outlet of the gas cavity is arranged on the side wall of the front section of the puncture outfit; one end of the air pipe is communicated with the air inlet pipe, the other end of the air pipe is provided with an air filter, a valve pipe is arranged in the air pipe, a valve is arranged in the valve pipe and used for controlling the valve pipe to open and close in a one-way mode, air is input from one end of the air filter to one end of the air inlet pipe, and the valve is closed when liquid flows from one end of the air inlet pipe to one end of the air filter. The air can be effectively prevented from entering the infusion tube while the air is provided for the infusion bottle, and air bubbles in the infusion tube are prevented from occurring in the infusion process.

Description

Transfusion system

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to an infusion apparatus.

Background

The infusion apparatus is a necessary medical apparatus during intravenous infusion, and the existing infusion apparatus needs to spend more time to discharge air bubbles before infusion. More annoying, because the air pipe is the connectivity structure with the transfer line majority, the gas that is used for balancing the interior atmospheric pressure of infusion bottle in the infusion process can get into the transfer line by a small amount, cause the interior unscheduled bubble that can appear of transfer line, influence leaf effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior art, the utility model provides an infusion apparatus, which can effectively avoid air entering the infusion tube when providing air in the infusion bottle, and prevent air bubbles in the infusion tube in the infusion process.

In order to realize the purpose of the utility model, the following scheme is proposed:

an infusion set comprising: puncture ware, drip kettle, transfer line, air hose and syringe needle, the air hose communicate in the puncture ware.

The puncture outfit is provided with a liquid cavity and a gas cavity, the liquid cavity and the gas cavity are parallel and independently arranged, the inlet of the liquid cavity is positioned at the top of the puncture outfit, the outlet of the liquid cavity is positioned at the bottom of the puncture outfit, the outlet of the liquid cavity is communicated with the liquid conveying pipe, the side wall of the lower section of the puncture outfit is provided with an air inlet pipe, the air inlet pipe is communicated with the gas cavity, and the outlet of the gas cavity is arranged on the side wall of the front section of the puncture outfit;

air hose one end communicate in the intake pipe, the other end of air hose is equipped with empty filter, the inside valve pipe that is equipped with of air hose, the inside valve that has of valve pipe, the valve is used for single control the opening and shutting of valve pipe, the air by empty filter one end to intake pipe one end input the valve is opened, and liquid is followed intake pipe one end to when empty filter one end flows the valve is closed.

Furthermore, the air pipe is internally provided with two valve pipes which are respectively positioned at two ends of the air pipe.

Further, a pair of valves are arranged inside the valve tube, and the openings of the valves are located in the middle of the valve tube.

Further, the area of the cross section of the liquid cavity is larger than that of the cross section of the gas cavity.

Further, the air pipe is L-shaped, and the position of the air filter is higher than that of the air inlet pipe when the air pipe is used.

The beneficial effects of the utility model reside in that:

1. this application will be used for the gas passage of equilibrium pressure and the setting that liquid passage is the isolation form in the puncture ware, separate air and liquid, will directly get into the cavity at infusion bottle top after the air gets into the infusion bottle in, avoid with the liquid contact in the transfer line to prevent that air from getting into the transfer line formation bubble in infusion process.

2. The air pipe is provided with a valve pipe, so that air can enter the infusion bottle conveniently, and liquid can be prevented from being discharged from the air cavity.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 shows a cross-sectional view of the puncture instrument, the air tube, and the valve tube in a connected state;

FIG. 2 shows a close-up view of A;

fig. 3 shows a usage state diagram of the present application.

The labels in the figure are: 10-puncture Chinese fiddle, 11-liquid cavity, 12-gas cavity, 13-air inlet pipe, 14-clapboard, 20-drip cup, 30-transfusion pipe, 40-air pipe, 41-air filter, 42-valve pipe and 421-valve.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 3, an infusion set comprises: puncture outfit 10, drip cup 20, infusion tube 30, air tube 40 and the syringe needle, air tube 40 communicates with puncture outfit 10.

Specifically, as shown in fig. 1, the puncture instrument 10 includes a liquid chamber 11 and a gas chamber 12, the liquid chamber 11 and the gas chamber 12 are provided in parallel and independently, and a partition 14 formed with the puncture instrument 10 is provided between the liquid chamber 11 and the gas chamber 12. The area of the cross-section of the liquid chamber 11 is larger than the area of the cross-section of the gas chamber 12 in order not to affect the flow rate of the liquid.

More specifically, the inlet of the liquid chamber 11 is located at the top of the puncture instrument 10, the outlet of the liquid chamber 11 is located at the bottom of the puncture instrument 10, and the outlet of the liquid chamber 11 communicates with the infusion tube 30. The liquid to be infused enters the liquid chamber 11 from the inlet of the liquid chamber 11 and then enters the infusion tube 30 from the outlet of the liquid chamber 11.

More specifically, the sidewall of the lower section of the puncture device 10 is provided with an air inlet pipe 13, the air inlet pipe 13 is communicated with the air cavity 12, the outlet of the air cavity 12 is arranged on the sidewall of the front section of the puncture device 10, and the included angle between the axis of the outlet of the air cavity 12 and the axis of the puncture device 10 is an acute angle and is inclined towards the front end of the puncture device 10.

Specifically, as shown in fig. 1, one end of the air tube 40 is connected to the air inlet pipe 13, and the other end of the air tube 40 is provided with an air filter 41 for filtering impurities in the air. The air tube 40 is internally provided with a valve tube 42, and the valve tube 42 is plugged into the air tube 40 in an interference manner. The valve tube 42 has a valve 421 inside, and the valve tube 42 has a pair of valves 421 inside, and the openings of the pair of valves 421 are located in the middle of the valve tube 42.

The valve 421 is used for controlling the valve tube 42 to open and close in a one-way manner, and the valve 421 is opened when air is input from one end of the air filter 41 to one end of the air inlet pipe 13, so as to ensure that the air smoothly enters the air cavity 12; when the liquid flows from one end of the air inlet pipe 13 to one end of the air filter 41, the valve 421 is closed to prevent the liquid from flowing out of the air pipe 40.

Preferably, two valve tubes 42 are arranged in the air tube 40 and are respectively located at two ends of the air tube 40, so that the valve 421 is prevented from being not tightly attached to the inner walls of the valve tubes 42.

Preferably, the air tube 40 is L-shaped, and the position of the air filter 41 is higher than that of the air inlet tube 13 in use, so as to further prevent the liquid from flowing into the air filter 41 after the valve tube 42 is failed, and prevent the air filter 41 from being wetted and affecting the air inlet.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. An infusion set comprising: puncture ware (10), drip cup (20), transfer line (30), air pipe (40) and syringe needle, air pipe (40) communicate in puncture ware (10), its characterized in that:

the puncture outfit (10) is provided with a liquid cavity (11) and a gas cavity (12), the liquid cavity (11) and the gas cavity (12) are parallel and independently arranged, the inlet of the liquid cavity (11) is positioned at the top of the puncture outfit (10), the outlet of the liquid cavity (11) is positioned at the bottom of the puncture outfit (10), the outlet of the liquid cavity (11) is communicated with the infusion tube (30), the side wall of the lower section of the puncture outfit (10) is provided with an air inlet tube (13), the air inlet tube (13) is communicated with the gas cavity (12), and the outlet of the gas cavity (12) is arranged on the side wall of the front section of the puncture outfit (10);

air pipe (40) one end communicate in intake pipe (13), the other end of air pipe (40) is equipped with air cleaner (41), inside valve pipe (42) that is equipped with of air pipe (40), valve pipe (42) inside has valve (421), valve (421) are used for one-way control opening and shutting of valve pipe (42), the air by air cleaner (41) one end to intake pipe (13) one end input valve (421) are opened, and liquid is followed intake pipe (13) one end to when air cleaner (41) one end flows valve (421) are closed.

2. An infusion set according to claim 1, characterized in that two said valve tubes (42) are provided in said air tube (40), respectively at both ends of said air tube (40).

3. An infusion set according to claim 1, characterized in that a pair of said valves (421) are provided inside said valve tube (42), and the openings of said pair of valves (421) are located in the middle of said valve tube (42).

4. An infusion set according to claim 1, characterized in that the cross-sectional area of the liquid chamber (11) is larger than the cross-sectional area of the gas chamber (12).

5. An infusion set according to claim 1, characterised in that the air tube (40) is L-shaped, and in use the air filter (41) is located at a higher level than the air inlet tube (13).