In this paper, based on analysis the distributing rule of permanent magnetic field, a novel method for dynamic tracing micro drug delivering device in alimentary canal has been proposed.

• 本文在分析永磁体空间磁场分布规律的基础上，提出了利用磁定位原理实现动态跟踪微型药物释放装置在消化道运动状态的方法。