Reseach on Calibration Method of Single Plasma Collection Machine
Apheresis plasma machine is the main equipment of plasma collection which is widely used in blood station,apheresis plasma station and other medical units,but the special calibration standard for apheresis plasma machine has not formulated and the calibration device is not developed by the corresponding enterprise.Some important parameters,such as centrifuge rotation speed,plasma collection volume control weighing device,blood rate(flow),circulating volume(volume),pressure and temperature rise(temperature),are very important to the quality of plasma collection.Based on the analysis of the basic principle of the plasma collector,this paper gives a selective reference for the calibration of the deviation of the rotational speed indication,the stability of the rotational speed,the error of the weighing indication and the weighing repeatability of the plasma collector,at the same time,the uncertainty evaluation of weighing indication error is listed.The experimental data prove the feasibility of the proposed calibration method,which can provide the technical basis for the traceability of apheresis plasmapheresis machines in every apheresis station,medi-cal unit,research institution and manufacturer,perfect the value transfer system to ensure the accuracy and unity of the value of the apheresis plasma machine.
single plasma collection machinecalibrationspeed indication errorweighing indication erroruncertainty evaluation