Intraoperative model based identification of tissue properties based on multimodal and multiscale measurements

D. Claus; P. M. Schumacher; M. Wilke; M. Mlikota; U. Weber; S. Schmauder; N. Schierbaum; Tilman E. Schäffer; P. Wittmüß; T. Teutsch; C. Tarin; S. Hoffmann; S. Brucker; J. Mischinger; C. Schwentner; Arnulf Stenzl; W. Osten

doi:10.1117/12.2076831

2 March 2015 Intraoperative model based identification of tissue properties based on multimodal and multiscale measurements

D. Claus, P. M. Schumacher, M. Wilke, M. Mlikota, U. Weber, S. Schmauder, N. Schierbaum, Tilman E. Schäffer, P. Wittmüß, T. Teutsch, C. Tarin, S. Hoffmann, S. Brucker, J. Mischinger, C. Schwentner, Arnulf Stenzl, W. Osten

Author Affiliations +

Proceedings Volume 9328, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XIII; 932805 (2015) https://doi.org/10.1117/12.2076831
Event: SPIE BiOS, 2015, San Francisco, California, United States

Abstract

Besides the many advantages minimally invasive surgery offers, the surgeon suffers from the loss of information, visual and mechanical (haptic feedback). The latter is an important tool, which helps the surgeon to localize tissue abnormalities (benign vs. malign tissue). We are aiming to generate a reliable constitutive FE model of the organ describing its mechanical properties by employing multiple elastographic measurement techniques at different scales (cell, tissue, and organ). A silicon phantom has been generated for the purpose of testing the transfer of information (delivery and processing of data). The stress-strain curve was recorded and embedded in the FE Model (Arruda-Boyce). A 2D displacement map was experimentally obtained from the phantom, which was in good agreement with the FE simulation.

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D. Claus, P. M. Schumacher, M. Wilke, M. Mlikota, U. Weber, S. Schmauder, N. Schierbaum, Tilman E. Schäffer, P. Wittmüß, T. Teutsch, C. Tarin, S. Hoffmann, S. Brucker, J. Mischinger, C. Schwentner, Arnulf Stenzl, and W. Osten "Intraoperative model based identification of tissue properties based on multimodal and multiscale measurements", Proc. SPIE 9328, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XIII, 932805 (2 March 2015); https://doi.org/10.1117/12.2076831

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