Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 1

Publications

1 FEM Analysis of the Interaction between a Piezoresistive Tactile Sensor and Biological Tissues

Authors: Mehrdad Hosseini Zadeh, Ahmad Atieh, Masoud Kalantari, Roozbeh Ahmadi, Javad Dargahi, Muthukumaran Packirisamy

Abstract:

The present paper presents a finite element model and analysis for the interaction between a piezoresistive tactile sensor and biological tissues. The tactile sensor is proposed for use in minimally invasive surgery to deliver tactile information of biological tissues to surgeons. The proposed sensor measures the relative hardness of soft contact objects as well as the contact force. Silicone rubbers were used as the phantom of biological tissues. Finite element analysis of the silicone rubbers and the mechanical structure of the sensor were performed using COMSOL Multiphysics (v3.4) environment. The simulation results verify the capability of the sensor to be used to differentiate between different kinds of silicone rubber materials.

Keywords: Finite Element Analysis, Minimally Invasive Surgery, tactile sensor, Neo-Hookean hyperelastic materials

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