A Sensorless Pusher Plate Position Detection Method for a Pulsatile Left Ventricular Assist Device.
Proceedings of the 7th International Conference on Bioscience, Biochemistry and Bioinformatics(2017)
摘要
The aim of this study is to investigate the sensorless detection method of the pusher plate position for a pulsatile left ventricular assist device (PF-LVAD) based on the driving current waveform. The PF-LVAD is synchronized to the trigger signal of a mock left ventricle, and the experiment is conducted in a mock circulatory system (MCS). The results show that the average error detection ratio of the sensorless detection method is less 1.54%. It is indicated that a sensorless method for detecting the end-systolic position of the pusher plate is reliable. From these results, it is suggested that a sensorless method using the driving current waveform of a PF-LVAD for detecting the end-systolic position of the pusher plate is feasible without additional implanted sensors.
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