Affiliations: [a] Micro-Mechatronics Lab, Graduate School of Science and
Engineering, Yamaguchi University, Yamaguchi, Japan
Correspondence:
[*]
Corresponding author: Zhongwei Jiang, Micro-Mechatronics Lab,
Graduate School of Science and Engineering, Yamaguchi University, 2-16-1
Tokiwadai, Ube, Yamaguchi 755-8611, Japan. E-mail: [email protected]
Abstract: This paper is concentrated on analysis and design of the structures
of the micro-stirrer which have high performance at a requested frequency for
thrombus dissolution. In this paper the new type structure of micro-stirrer
which transmits the longitudinal elastic wave through catheter and converts to
a bending motion at the tip stirrer is described first in order to get high
performance of thrombus dissolution. Next how to design the structure which can
be driven at a requested frequency without reduce the performance, because for
dissolution of different type of thrombus it is necessary to drive
micro-stirrers in a high performance frequency and with a certain deflection.
To design and analysis the optimum structure, the modal analysis and harmonic
analysis are carried on with the aid of FEM simulation. The results showed that
it is possible to change the structures of the micro-stirrer to fit the
requested driven frequency with keeping the high performance. The results also
indicate that since the variations of design parameters are restricted rigidly,
using the numerical simulation with proposed analysis model is a very efficient
way to study the design of desirable structures.
