Design and analysis of artificial microrobot propulsion mechanism using multiple flagella

Nowadays, studies of the interventional microrobots havebeen hot topics in the field of medical devices. The ultimategoal of medical microrobots is to reach currentlyinaccessible areas of the human body and carry out a host ofcomplex operations such as minimally invasive surgery(MIS), highly localized drug delivery and opening up theblood vessels. Miniature, safe and energy efficientpropulsion systems hold the key to mature this technology.In this paper, a prototype of microrobot based on the motionprinciple of living microorganisms is presented. Theproperties of this propulsive mechanism are estimated bymodeling the dynamics of the swimming methods. And toadjust the rotation direction of the four flexible tails, thepropulsion forces and the function of opening up the bloodvessels will be generated.