CN-224207177-U - Intelligent transfusion volume weighing system

Abstract

The utility model discloses an intelligent transfusion quantity weighing system, belongs to the technical field of intelligent medical equipment, and is used for monitoring a transfusion process in real time. The system comprises an intelligent unit, a bus, an ultrasonic flow sensor, a weighing device and the like. The intelligent unit processes data by using a graph convolution network algorithm and a wavelet convolution neural network through a sensor data fusion module. The ultrasonic flow sensor transmits flow velocity data to the intelligent unit in real time, and accurately monitors the flow velocity of the liquid. The weighing device accurately measures the inflow of the injection through the strain sensor, the cavity and the catheter. The strain sensor converts the weight change signal into a digital signal and transmits the digital signal to the intelligent unit. The system supports a wireless communication protocol, realizes data remote transmission, and is convenient for medical staff to remotely monitor. The system can provide accurate and automatic transfusion control, and ensure the safety and accuracy of treatment.

Inventors

• HAO LINLIN
• LIU HONGJIA

Assignees

• 中国人民解放军总医院第三医学中心

Dates

Publication Date

20260508

Application Date

20250408

Claims (6)

1. 1. The intelligent transfusion quantity weighing system comprises an intelligent unit (1), wherein the intelligent unit (1) comprises a sensor data fusion module, a bus (2) and an ultrasonic flow sensor (3), the sensor data fusion module uses a graph convolution network algorithm and a wavelet convolution neural network, the ultrasonic flow sensor (3) transmits flow rate data to the intelligent unit processor (1) through the bus (2), and a weighing device (4), and the weighing device (4) comprises a strain sensor (41), a cavity (42), an inflow conduit (43) and an outflow conduit (44).
2. 2. The intelligent infusion weighing system according to claim 1, wherein the intelligent unit (1) employs a microprocessor and comprises a memory, a computing unit and an input/output port.
3. 3. The intelligent infusion quantity weighing system according to claim 1, wherein said ultrasonic flow sensor (3) calculates a fluid flow rate using a time difference of an ultrasonic signal and a received signal and transmits flow rate data to the intelligent unit processor (1).
4. 4. The intelligent infusion quantity weighing system of claim 1, wherein said strain gauge sensor (41) comprises a strain gauge mounted on a surface of a platform.
5. 5. The intelligent infusion weighing system of claim 4, wherein said strain gauge resistance change signal is transmitted to a signal conditioning circuit which converts the conditioned analog signal to a digital signal using an analog to digital converter for transmission to the intelligent unit (1) via the bus (2).
6. 6. The intelligent infusion weighing system according to claim 1, wherein said intelligent unit (1) supports wireless communication protocols, in particular including Wi-Fi 802.11ac, bluetooth 4.0 and above, zigbee3.0 standard.

Description

Intelligent transfusion volume weighing system Technical Field The invention relates to the technology of medical equipment, in particular to a transfusion weighing and flow rate monitoring system, and in particular relates to an intelligent transfusion weighing system. Background Along with the rapid development of intelligent medical treatment and health monitoring technology, the traditional medical transfusion mode gradually exposes out the problems of low efficiency, inaccurate monitoring, poor patient comfort level and the like, and especially in a patient group who is in hospital for a long time or needs frequent transfusion, the traditional transfusion monitoring mode often has the problems of inaccurate transfusion speed, insufficient patient perception and the like. In addition, most of the traditional infusion monitoring systems rely on a single sensor, lack of real-time weighing and multi-mode data fusion, and are difficult to provide omnibearing infusion monitoring. In order to solve the problems, the intelligent infusion device is gradually applied, and particularly, an intelligent infusion system adopting various sensor modules can monitor the flow rate, the liquid quantity and other related parameters in the infusion process in real time, so that the accuracy and the safety of treatment are effectively improved. However, existing intelligent infusion devices still face poor adaptability, particularly when the patient is active, and the complexity and weight of the device can be uncomfortable and additionally burdened. More importantly, the current devices lack the ability to fuse multimodal data and accurately weigh in real time, and it is difficult to provide comprehensive monitoring, resulting in an inability to reduce potential risks during infusion. The utility model provides an intelligent transfusion weighing system, which is used for carrying out real-time weighing and accurate monitoring on a transfusion process by combining a multi-mode sensor (comprising an ultrasonic flow sensor and a strain sensor) with an intelligent unit processor. The system can monitor the flow speed and the flow of infusion in real time by fusing the data of different sensors, accurately weigh the infusion amount each time, ensure the accuracy and the safety of the infusion process, and reduce the risks of liquid leakage, infusion error and the like. Through the multi-mode data fusion technology, the system can better adapt to the activities of patients, reduce the interference and burden on the patients and provide more comfortable treatment experience. Disclosure of utility model In order to solve the defects in the prior art, the utility model aims to provide an intelligent infusion quantity weighing system, which aims to improve the accuracy and safety of an infusion process and reduce risks by means of multi-sensor data fusion, real-time weighing and flow rate monitoring and solve the problems of inaccurate monitoring, inaccurate infusion quantity, more potential safety hazards and the like in the traditional infusion device. The technical scheme adopted for solving the technical problems is as follows: An intelligent transfusion quantity weighing system comprises an intelligent unit and a weighing device, wherein the intelligent unit comprises a sensor data fusion module, the sensor data fusion module uses a graph rolling network algorithm (GCN) and a wavelet convolution neural network (WAVELET CNN), a bus and an ultrasonic flow sensor, the ultrasonic flow sensor transmits flow rate data to an intelligent unit processor through the bus, and the weighing device (4) comprises a strain sensor, a cavity, an inflow catheter and an outflow catheter. The intelligent unit adopts a microprocessor and comprises a memory, a computing unit and an input/output port. The ultrasonic flow sensor calculates a fluid flow rate using a time difference between the ultrasonic signal and the received signal and transmits flow rate data to the intelligent unit processor. The strain gauge sensor comprises a strain gauge which is arranged on the surface of a platform, and when the strain gauge is stressed, tiny deformation occurs to cause the resistance of the strain gauge to change. The strain gauge resistance change signal is transmitted to a signal conditioning circuit, and the signal conditioning circuit converts the conditioned analog signal into a digital signal by using an analog-to-digital converter (ADC) and transmits the digital signal to an intelligent unit through a bus. The intelligent unit supports wireless communication protocols, including Wi-Fi 802.11ac, bluetooth 4.0 and above versions, and ZigBee3.0 standards. The beneficial effects of the utility model are as follows: The intelligent transfusion weighing system can monitor the flow speed and the flow rate in the transfusion process in real time and accurately weigh by combining the weighing device, so that the accuracy and the safety of the transfusion proce