A kind of new typed permanent magnetic suspension conical spiral blood pump with rather big air gap was put forward, and the basic structure of permanent magnetic suspension blood pump was introduced.

• 摘要提出了一种新型具有较大气隙的永磁体磁悬浮锥形螺旋血泵，介绍了永磁体磁悬浮血泵的基本结构。