| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump device for artificial dialysis in which a drive sound and a vibration are suppressed.SOLUTION: A pump device for artificial dialysis includes a blood pump P for conveying blood, and a stepping motor M for driving the blood pump without passing through a reduction gear. Vector control is executed for the stepping motor, and a control signal of the vector control is output through a low-pass filter. The blood pump includes a rotation member that is rotated by the stepping motor, and a roller R provided to the rotation member for pressing a tube where blood flows. |
