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Medical & Biological Engineering & Computing

Erschienen in:

01.06.2013 | Original Article

Modeling and analysis of coagulated liver tissue and its interaction with a scalpel blade

verfasst von: Florence Leong, Wei-Hsuan Huang, Chee-Kong Chui

Erschienen in: Medical & Biological Engineering & Computing | Ausgabe 6/2013

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Abstract

Radiofrequency-assisted methods have been used in hepatectomy—the resection process of removing liver tissue which encapsulates the tumor from the liver organ. A prototype was built to enable smooth surgical transition between radiofrequency ablation and liver resection. There is a lack of literature on mechanical properties of radiofrequency-ablated liver tissue and the tool–tissue interaction during cutting. This led to our study on coagulated tissue mechanical properties and modeling of its dynamic interaction with a scalpel blade. A novel mechanical model was proposed to mimic the mechanical behavior of radiofrequency-ablated liver tissue. The model is able to account for the viscoelastic behavior of the ablated tissue in both compression and relaxation tests. Experiments were performed to validate the proposed model. In addition, a knife blade–tissue interaction model is proposed to demonstrate the potential of integrating the proposed model for application in device design.

Vorheriger Artikel Peculiarities of extracellular potentials produced by deep muscles. Part 1: single fibre potential fields

Nächster Artikel Novel parameters indicate significant differences in severity of obstructive sleep apnea with patients having similar apnea–hypopnea index

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Titel: Modeling and analysis of coagulated liver tissue and its interaction with a scalpel blade
verfasst von: Florence Leong
Wei-Hsuan Huang
Chee-Kong Chui
Publikationsdatum: 01.06.2013
Verlag: Springer-Verlag
Erschienen in: Medical & Biological Engineering & Computing / Ausgabe 6/2013
Print ISSN: 0140-0118
Elektronische ISSN: 1741-0444
DOI: https://doi.org/10.1007/s11517-013-1038-5

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