Objective To reasonably control the inventory and shorten the purchase time on the premise of ensuring clinical application. Methods By Six Sigma management method, the purchases process of equipment parts was improved in hospital so that the best approach for the equipment parts purchase was provided. Results The time to the purchase of equipment parts have an average reduction of 10.5 days. Conclusion There is a significant difference between the two groups (before and after the improvement). It shows that the Six Sigma is an effective method to improve accessory purchasing management processing for hospital.

Objective To introduce a new intelligent stomach syringe based on PC,which can deal with the stop of waste pipe automatically and feed back to the control of water speed.Methods On the foundation of analyzing the defects of traditional stomach syringe,the electric circuit of the design was improved.It realized the judgment,analysis and handling of acquired signals in the PC board.Results This machine can display the numerical value of pressure,PH,flux,and give the sound or light alarm.It can work automatically according to the demand or be operated artificially.Conclusion The instrument is automatic,secure and intelligent.Furthermore,it increases the successful rate for rescuing the patients.