In order to solve the problems that the nebulizer used in clinic is limited in use scenario,causing drug pollution and waste due to lack of feedback control function,we designed an adaptive atomizer control system based on concentration threshold.By adding a concentration sensor,a control program based on the Arduino platform was wrote to control the atomizer to produce an aerosol concentration that met the requirements the amounts of drug used,and a one-way valve was used to ensure one-way air flow.The re-sults showed that compared with the traditional atomizer,the drug consumption of this atomizer was reduced by about 75%,and the drug residue was less.The device can reduce drug waste,save atomized medication,and improve the atomized treatment environment.
Medical nebulizerAerosol concentrationAdaptiveArduinoProgram-controlled systemUltrasonic atomization