外磁场驱动无线胶囊式内窥镜的动力学模型  

Dynamics Model of Wireless Endoscopy Driven by External Magneticfield

作　　者：叶福丽[1] 史贵连[1] 

机构地区：[1]咸宁学院生物医学工程学院,湖北咸宁437103

出　　处：《医疗卫生装备》2011年第2期21-23,共3页Chinese Medical Equipment Journal

摘　　要：目的:建立外磁场驱动无线胶囊式内窥镜驱动力的动力学模型,并对模型进行仿真与实验。方法:磁场随线圈组中电流大小以及方向的改变而改变,利用磁场的改变控制无线胶囊式内窥镜的运动。结果:开发了OV7930外围电路PCB,并按设计组装成磁控无线胶囊式内窥镜胶囊。结论:实验中采集到清晰的图像,证明了该模型设计的可行性。Objective To set up the dynamics model of wireless capsule endoscopy driven by external magneticfield and perform some experiments and emulations.Methods The magneticfield changed with the amount and direction of circuit in the coils.The change of magneticfield led to the moving of wireless capsule endoscopy.Results The peripheral circuit of OV7930 was developed,and a magnetic controlled wireless capsule endoscopy MEMS system was assembled according to the design.Conclusion The clear image is captured in experiments,which proves the feasibility of model design.

关 键 词：内窥镜 驱动力 线圈 电流 

分 类 号：TH776.1[机械工程—仪器科学与技术]