CN219148800U

CN219148800U - Portable infusion pump of adjustable speed

Info

Publication number: CN219148800U
Application number: CN202222055061.0U
Authority: CN
Inventors: 刘红军; 金毅; 程祝强
Original assignee: Eastern Theater General Hospital of PLA
Current assignee: Eastern Theater General Hospital of PLA
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-06-09
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to the technical field of infusion pumps, in particular to a portable infusion pump with adjustable speed. The portable infusion pump with the adjustable speed comprises an infusion pump, wherein one side of the infusion pump is connected with an infusion catheter, the infusion catheter is connected with an infusion needle, the infusion pump comprises a rectangular bearing mechanism, a three-way valve is arranged on the rectangular bearing mechanism and is connected with a piezoelectric pump through a built-in pipeline, the piezoelectric pump is connected with a filter through a built-in pipeline, the filter is connected with a pressure one-way valve, a PCB (printed Circuit Board) and a battery are further arranged in the rectangular bearing mechanism, and the PCB is connected with the battery. The portable infusion pump with adjustable speed controls the voltage pump through the PCB, so that the portable infusion pump with adjustable speed is simple and easy to operate, convenient to carry, high in infusion precision, safe and reliable, has an internal infusion bag and an external interface, is suitable for various infusion environments, and can be used for daily infusion and battlefield rescue.

Description

Portable infusion pump of adjustable speed

Technical Field

The utility model relates to an infusion pump, in particular to a portable infusion pump with adjustable speed.

Background

The traditional transfusion is through gravity transfusion, and needs transfusion support assistance. The principle of the infusion pump in the market is generally peristaltic or physically extruded, so that the infusion pump is large in volume and inconvenient to carry, and movement is hindered in the daily use process. The speed-adjustable portable infusion pump changes the traditional infusion mode, simultaneously optimizes the problem that the infusion pump body on the market is too large and inconvenient to carry, and is simple to operate and convenient for medical staff to use.

Disclosure of Invention

The utility model aims to solve the defects and provides a portable infusion pump with adjustable speed.

In order to overcome the defects in the background art, the technical scheme adopted by the utility model for solving the technical problems is as follows: the portable infusion pump with the adjustable speed comprises an infusion pump, one side of the infusion pump is connected with an infusion catheter, an infusion needle is connected to the infusion catheter, the infusion pump comprises a rectangular bearing mechanism, a three-way valve is arranged on the rectangular bearing mechanism and connected with a piezoelectric pump through an internal pipeline, the piezoelectric pump is connected with a filter through the internal pipeline, the filter is connected with a pressure one-way valve, a PCB (printed Circuit Board) and a battery are further arranged in the rectangular bearing mechanism, the PCB is connected with the battery, one connecting channel of the three-way valve is connected with an infusion bag, one connecting channel is connected with an external infusion bag as an external interface, and one connecting channel is connected with the internal pipeline.

According to another embodiment of the utility model, the three-way valve, the built-in pipeline, the piezoelectric pump, the filter and the pressure check valve are connected around the outer ring of the PCB and the battery.

According to another embodiment of the utility model, the back of the infusion pump is provided with a binding band for fixing the infusion pump and the infusion bag on the arm.

According to another embodiment of the utility model, the piezoelectric pump further comprises a pump body and a piezoelectric vibrator, wherein one side of a channel formed by the pump body and the piezoelectric vibrator is a liquid inlet, and the other side of the channel is a liquid outlet.

According to another embodiment of the present utility model, the piezoelectric pump is further connected to a PCB board.

The beneficial effects of the utility model are as follows: the portable infusion pump with adjustable speed controls the voltage pump through the PCB, so that the portable infusion pump with adjustable speed is simple and easy to operate, convenient to carry, high in infusion precision, safe and reliable, has an internal infusion bag and an external interface, is suitable for various infusion environments, and can be used for daily infusion and battlefield rescue.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the infusion pump;

fig. 3 is a schematic structural view of a PCB board;

FIG. 4 is a schematic structural view of a piezoelectric pump;

wherein: 1. the infusion pump comprises an infusion pump body, wherein the infusion pump body comprises an infusion pump, 2, a binding belt, 3, an infusion catheter, 4, an infusion needle, 5, a three-way valve, 6, an internal pipeline, 7, a piezoelectric pump, 8, a filter, 9, a pressure one-way valve, 10, a PCB (printed circuit board), 11, a battery, 12, an infusion bag, 13, an internal infusion bag interface, 14, an external interface, 15, a liquid inlet, 16, a liquid outlet, 17, a piezoelectric vibrator, 18 and a pump body.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. Embodiments of the utility model are described herein in terms of various specific embodiments, including those that are apparent to those of ordinary skill in the art and all that come within the scope of the utility model.

As shown in fig. 1 and 2, the infusion pump comprises an infusion pump 1, one side of the infusion pump 1 is connected with an infusion catheter 3, an infusion needle 4 is connected to the infusion catheter 3, the infusion pump 1 comprises a rectangular bearing mechanism, a three-way valve 5 is arranged on the rectangular bearing mechanism, the three-way valve 5 is connected with a piezoelectric pump 7 through a built-in pipeline 6, the piezoelectric pump 7 is connected with a filter 8 through the built-in pipeline 6, the filter 8 is connected with a pressure check valve 9, a PCB 10 and a battery 11 are further arranged in the rectangular bearing mechanism, the PCB 10 is connected with the battery 11, one connecting channel of the three-way valve 5 is connected with an infusion bag 12, one connecting channel is connected with an external infusion bag as an external interface, and one connecting channel is connected with the built-in pipeline 6. The interface of the three-way valve 5 is connected with an internal infusion bag interface 13 and an external interface 14, is suitable for various infusion environments, and can be used for daily infusion and battlefield rescue.

The three-way valve 5, the built-in pipeline 6, the piezoelectric pump 7, the filter 8 and the pressure one-way valve 9 are connected around the outer ring of the PCB 10 and the battery 11. The rectangular bearing mechanism is correspondingly provided with positions for placing the three-way valve 5, the built-in pipeline 6, the piezoelectric pump 7, the filter 8 and the pressure one-way valve 9, and the rectangular bearing mechanism is integrally connected and surrounds the PCB for one circle, so that the structure is more compact and small.

The back of the infusion pump 1 is provided with a binding belt 2 for fixing the infusion pump 1 and the infusion bag 12 on the arm. When in use, the infusion pump 1 is fixed on an arm through the binding belt 2, meanwhile, the infusion bag is plugged in the binding belt 2, and the infusion bag is connected with the three-way valve 5.

As shown in fig. 4, the piezoelectric pump 7 includes a pump body 18 and a piezoelectric vibrator 17, and a liquid inlet 15 is formed on one side of a channel formed by the pump body 18 and the piezoelectric vibrator 17, and a liquid outlet 16 is formed on the other side of the channel. The piezoelectric vibrator 17 adjusts the vibration frequency through the PCB board 10, thereby controlling the flow rate of the liquid in the piezoelectric pump 7.

The piezoelectric pump 7 is connected with the PCB 10, and the power supply flow is controlled through the PCB 10, so that the vibration frequency of the piezoelectric vibrator in the piezoelectric pump 7 is adjusted, and the flow rate of liquid can be controlled.

As shown in fig. 3, the PCB board 10 includes a single-chip microcomputer, a display screen and keys are disposed on the single-chip microcomputer, an output of the single-chip microcomputer is connected with a piezoelectric pump driving circuit, an output of the piezoelectric pump driving circuit is connected with a piezoelectric pump 7, an input of the single-chip microcomputer and the piezoelectric pump driving circuit is connected with a power supply circuit, and the power supply circuit is connected with a battery 11. The singlechip on the PCB is controlled by setting a software program.

Working principle: through the piezoelectric pump 7 in the infusion pump 1 as the power supply, in portable infusion pump working process, the drive circuit on the PVB board 10 applys alternating current power to the both ends of piezoelectric vibrator 17, and piezoelectric vibrator 17 can produce the deformation, and when piezoelectric vibrator 17 produced forward bending, piezoelectric vibrator 17 can lengthen, and the volume in the pump chamber of piezoelectric pump 7 can grow, and when producing reverse bending, the piezoelectric vibrator can shrink, and the volume in the pump chamber of piezoelectric pump 7 can reduce, through constantly forward, reverse bending promotes the flow of liquid, can control the velocity of flow of liquid through adjusting the vibration frequency of piezoelectric vibrator, controllable minimum velocity of flow is 2.5ml/min. In the use process, the three-way valve 5 on the infusion pump 1 is rotated to an infusion mode of an infusion bag, the power switch is turned on, the piezoelectric pump 7 is turned on, liquid in the infusion bag 12 can pass through the three-way valve 5, the piezoelectric pump 7, the filter 8, the pressure one-way valve 9 and the infusion catheter 3 to the infusion needle 4 through an internal pipeline, and finally the liquid is input into a human body. After the liquid in the infusion bag is infused, the three-way valve can be switched to an external interface to be connected with other infusion bags.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a portable transfer pump of adjustable speed, includes infusion pump (1), and infusion pipe (3) are connected to one side of infusion pump (1), connect infusion needle (4), its characterized in that on infusion pipe (3): the infusion pump (1) comprises a rectangular bearing mechanism, a three-way valve (5) is arranged on the rectangular bearing mechanism, the three-way valve (5) is connected with a piezoelectric pump (7) through an internal pipeline (6), the piezoelectric pump (7) is connected with a filter (8) through the internal pipeline (6), the filter (8) is connected with a pressure one-way valve (9), a PCB (10) and a battery (11) are further arranged in the rectangular bearing mechanism, the PCB (10) is connected with the battery (11), one connecting channel of the three-way valve (5) is used as an internal infusion bag interface (13) to be connected with an infusion bag (12), one connecting channel is connected as an external interface (14) to be connected with the external infusion bag, and one connecting channel is connected with the internal pipeline (6).

2. The adjustable speed portable infusion pump as set forth in claim 1, wherein: the three-way valve (5), the built-in pipeline (6), the piezoelectric pump (7), the filter (8) and the pressure one-way valve (9) are connected with the outer ring of the battery (11) around the PCB (10).

3. The adjustable speed portable infusion pump as set forth in claim 1, wherein: the back of the infusion pump (1) is provided with a binding belt (2) for fixing the infusion pump (1) and the infusion bag (12) on an arm.

4. The adjustable speed portable infusion pump as set forth in claim 1, wherein: the piezoelectric pump (7) comprises a pump body (18) and a piezoelectric vibrator (17), wherein one side of a channel formed by the pump body (18) and the piezoelectric vibrator (17) is provided with a liquid inlet (15), and the other side of the channel is provided with a liquid outlet (16).

5. The adjustable speed portable infusion pump as set forth in claim 1, wherein: the piezoelectric pump (7) is connected with the PCB (10).

6. The adjustable speed portable infusion pump as set forth in claim 1, wherein: the PCB (10) comprises a single-chip microcomputer, a display screen and keys are arranged on the single-chip microcomputer, the output of the single-chip microcomputer is connected with a piezoelectric pump driving circuit, the output of the piezoelectric pump driving circuit is connected with the piezoelectric pump, the input of the single-chip microcomputer and the input of the piezoelectric pump driving circuit are connected with a power supply circuit, and the power supply circuit is connected with a battery.