CN215024020U

CN215024020U - Automatic control infusion device

Info

Publication number: CN215024020U
Application number: CN202120378023.1U
Authority: CN
Inventors: 龚小平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-12-07
Anticipated expiration: 2031-02-18

Abstract

The utility model relates to an automatic control transfusion device, which comprises a long catheter, wherein the long catheter is provided with an air filter, a liquid medicine bag, a three-way dropper, a safety liquid medicine filter and a first flow rate controller; one end of the long catheter is provided with a bottle stopper puncture needle, the other end of the long catheter is provided with a venous transfusion tube, and the other end of the venous transfusion tube is provided with a venous transfusion needle; a sealing pipe is arranged between the bottom of the safety dropper and the long guide pipe, a movable floating valve is arranged in the safety dropper, the movable floating valve floats in the liquid medicine to enable the liquid medicine to pass through the sealing pipe, the bottom of the movable floating valve does not exceed the top of the sealing pipe when the movable floating valve floats upwards, and the movable floating valve automatically falls down when the liquid medicine descends in the safety dropper and is tightly matched with the sealing pipe. The utility model can completely automatically control the transfusion device, and avoid the air entering the human body or the blood backflow; the patient is free from safety risk during transfusion, and the burden of medical staff is greatly reduced.

Description

Automatic control infusion device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an automatic control infusion set.

Background

At present, patients or medical care personnel need to monitor the infusion condition in real time in the infusion process of the existing patients, so that the medical care personnel and the patients need to consume a great deal of energy; particularly, medical staff are busy to cause negligence or fall asleep during transfusion, so that air easily enters human bodies or blood flows backwards to cause safety risks such as thrombus and the like, danger is increased for the patients, and meanwhile, the burden of the medical staff is also large; therefore, the existing market also improves the infusion device, but the existing infusion device cannot realize full automatic control after being improved, and the situation that air enters a human body or blood flows backwards still exists; and the improved infusion device has a complex structure, so that the production cost of the infusion device is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic control infusion set, aim at solving present infusion set structure complicacy, can't realize that complete automatic control still leads to technical problem such as air admission human and blood refluence and infusion set cost improvement.

The utility model provides a technical scheme that its technical problem adopted is:

an automatic control transfusion device comprises a long catheter, wherein an air filter, a liquid medicine bag, a three-way dropper, a safety dropper and a safety liquid medicine filter are sequentially arranged on the long catheter and are communicated with the long catheter; a first flow rate controller is arranged on the outer side wall of the long conduit between the safety dropper and the safety liquid medicine filter; a bottle stopper puncture needle is arranged at one end of the long catheter close to the air filter, a venous transfusion tube is arranged at the other end of the long catheter, and a venous transfusion needle is arranged at the other end of the venous transfusion tube; a first protective sleeve is arranged at the bottle stopper puncture needle; a second protective sleeve is arranged on the intravenous infusion needle; the safety dropper is characterized in that a sealing pipe is arranged between the bottom of the safety dropper and the long guide pipe, a movable floating valve matched with the sealing pipe is arranged in the safety dropper and close to the bottom, the movable floating valve floats in liquid medicine to enable the liquid medicine to pass through the sealing pipe, the bottom of the movable floating valve does not exceed the top of the sealing pipe when the movable floating valve floats upwards, and the movable floating valve automatically falls down to be tightly matched with the sealing pipe when the movable floating valve descends along with the liquid medicine in the safety dropper; a first one-way valve is arranged in the long guide pipe close to the bottom sealing pipe. The long guide pipe is provided with at least one-way valve.

Preferably, a first one-way valve is arranged in the long guide pipe close to the bottom sealing pipe; a second one-way valve is arranged in the long conduit at the top of the safe liquid medicine filter.

Preferably, a second flow rate controller is arranged on the long conduit between the liquid medicine bag and the air filter.

Preferably, the movable float valve comprises a float valve column and a float valve cap, the top of the float valve column is fixed with the float valve cap, the float valve column is positioned in the sealing pipe, and the bottom of the float valve cap is matched with the bottom of the safety dropper in shape.

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

the utility model arranges a movable float valve in the safety dropper and a first one-way valve at the long conduit of the sealing tube; when the transfusion of a patient is finished, the liquid medicine in the safety dropper gradually flows out, the movable floating valve descends in the sealing tube along with the liquid level of the liquid medicine, and finally after the liquid medicine flows out, the movable floating valve is completely attached to the bottom surface of the safety dropper, so that air is prevented from entering a human body, and in addition, the movable floating valve is matched with the first one-way valve, so that the air can be completely prevented from entering the human body, the pressure in the long catheter can be ensured to be lower than the pressure of the human body during transfusion, and the situation of blood backflow can be effectively avoided; the safety risk of the patient during transfusion is avoided, and the burden of medical care personnel is effectively reduced; therefore, the utility model realizes the complete automatic control of the infusion device through the ingenious design, and the manufacturing cost of the infusion device can not rise obviously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts:

fig. 1 is a schematic structural diagram of an embodiment of an automatic infusion control device of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The automatic control transfusion device of the preferred embodiment of the utility model, referring to the attached figure 1, comprises a long catheter 1, wherein an air filter 2, a liquid medicine bag 4, a three-way dropper 5, a safe dropper 6 and a safe liquid medicine filter 7 are sequentially arranged on the long catheter 1 and are all communicated with the long catheter 1; a first flow rate controller 8 is arranged on the outer side wall of the long catheter 1 between the safety dropper 6 and the safety liquid medicine filter 7; a bottle stopper puncture needle 9 is arranged at one end of the long catheter 1 close to the air filter 2, a venous transfusion tube 10 is arranged at the other end of the long catheter 1, and a venous transfusion needle 11 is arranged at the other end of the venous transfusion tube 10; a sealing pipe 12 is arranged between the bottom of the safety dropper 6 and the long catheter 1, a movable floating valve 3 matched with the sealing pipe 12 is arranged in the safety dropper 6 and close to the bottom, the movable floating valve 3 floats upwards in liquid medicine to enable the liquid medicine to pass through the sealing pipe 12, the bottom of the movable floating valve 3 does not exceed the top of the sealing pipe when floating upwards, and the movable floating valve 3 automatically falls down to be tightly matched with the sealing pipe 12 when the safety dropper 6 descends along with the liquid medicine; the long catheter 1 is provided with at least one-way valve.

In specific implementation, a first one-way valve 13 is arranged in the long guide pipe 1 close to the bottom sealing pipe 12; a second one-way valve 14 is arranged in the long conduit 1 at the top of the safe liquid medicine filter 7; the arrangement can avoid the occurrence of small bubbles at the position of the safe liquid medicine filter 7 and completely avoid the chance that air enters the human body.

In specific implementation, the second flow rate controller 15 is arranged on the long conduit 1 between the liquid medicine bag 4 and the air filter 2, so that the liquid medicine can be controlled to flow in time when the liquid medicine in the liquid bag is excessive.

In specific implementation, a first protective sleeve 16 is arranged at the position of the puncture needle 9 with the bottle stopper. The intravenous infusion needle 11 is provided with a second protective sleeve 17. This allows the stoppered needle 9 and the iv needle 11 to be maintained in a sterile condition.

The activity float valve 3 includes float valve post and float valve cap, the top and the float valve cap of float valve post are fixed, the float valve post is located sealed tube 12, the shape of the bottom of float valve cap and 6 bottoms of safety burette matches, reaches sealed effect after descending. The length of the float valve column is greater than the width of the safety dropper 6; therefore, the problem of steering of the movable floating valve 3 can not occur, and the effect of realizing automatic control of the movable floating valve 3 when liquid medicine exists in the safety dropper 6 is better.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. An automatic control transfusion device comprises a long catheter, wherein an air filter, a liquid medicine bag, a three-way dropper, a safety dropper and a safety liquid medicine filter are sequentially arranged on the long catheter and are communicated with the long catheter; a first flow rate controller is arranged on the outer side wall of the long conduit between the safety dropper and the safety liquid medicine filter; a bottle stopper puncture needle is arranged at one end of the long catheter close to the air filter, a venous transfusion tube is arranged at the other end of the long catheter, and a venous transfusion needle is arranged at the other end of the venous transfusion tube; a first protective sleeve is arranged at the bottle stopper puncture needle; a second protective sleeve is arranged on the intravenous infusion needle; the safety dropper is characterized in that a sealing pipe is arranged between the bottom of the safety dropper and the long guide pipe, a movable floating valve matched with the sealing pipe is arranged in the safety dropper and close to the bottom, the movable floating valve floats in liquid medicine to enable the liquid medicine to pass through the sealing pipe, the bottom of the movable floating valve does not exceed the top of the sealing pipe when the movable floating valve floats upwards, and the movable floating valve automatically falls down to be tightly matched with the sealing pipe when the movable floating valve descends along with the liquid medicine in the safety dropper; a first one-way valve is arranged in the long guide pipe close to the bottom sealing pipe, and at least one-way valve is arranged on the long guide pipe.

2. The automatic control infusion device of claim 1, wherein a first one-way valve is disposed within the elongated tube adjacent the bottom sealing tube; a second one-way valve is arranged in the long conduit at the top of the safe liquid medicine filter.

3. The automatic control infusion device of claim 2, wherein a second flow rate controller is disposed on the elongated tube between the bag and the air filter.

4. The automatic control infusion device of claim 1, wherein said movable float valve comprises a float valve post and a float valve cap, wherein the top of said float valve post is fixed with said float valve cap, said float valve post is located in said sealed tube, and the bottom of said float valve cap is matched with the shape of the bottom of said safety dropper.