Design of an Intelligent Leakage Prevention System for High pressure Injector

Abstract

In order to solve the problem of liquid leakage due to high injection pressure and fast injection speed in the current medical high pressure injector, a set of intelligent anti-leakage diversion alarm system for high pressure injector was designed by using TI microcontroller MSP430F4619, precision electronic FS2050 pressure sensor and Nordic company’s NRF24L01+ wireless transmission chip. The system can monitor the process of high pressure injection in real time. Once the leakage of drug solution is detected, wireless acousto-optic alarm will be given immediately and diversion switch will be made quickly. This system not only overcomes the disadvantage of the previous mechanical design scheme which is easy to be loosened, but also increases the function of diversion switch which can effectively reduce the pain of patients. The results of animal experiments show that the intelligent diversion alarm system is stable, reliable and highly sensitive, which can effectively reduce the leakage of drug solution in high pressure injector.