High-precision Indentation Device for Stiffness Measurement of Soft Tissue

Position: Research Fellow in Robotics and Haptics

Location: Institute for Intelligent Systems Research and Innovation (IISRI), Deakin University, Australia

Period: June 2013 – July 2013


A high-precision instrument was developed by retrofitting a micrometre with position resolution of 0.01 (mm) with a FSG-15N1A force sensor from Honeywell Sensing and Control (1985 Douglas Drive North Golden Valley, MN 55422 USA) with the force resolution of 1 (gr). The instrument was used to apply precise indentations to the tissue samples and record the force responses using a U6 data acquisition (DAQ) module from LabJack Corporation (3232 S Vance St STE 100 Lakewood, CO 80227 USA) for three cycles per tissue sample. The average values were calculated and force-displacement relationships were obtained.

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