Electrosurgical tissue resection: a numerical and experimental study

Dmitry E. Protsenko; John Anthony Pearce

doi:10.1117/12.476344

10 June 2003 Electrosurgical tissue resection: a numerical and experimental study

Dmitry E. Protsenko, John Anthony Pearce

Proceedings Volume 4954, Thermal Treatment of Tissue: Energy Delivery and Assessment II; (2003) https://doi.org/10.1117/12.476344
Event: Biomedical Optics, 2003, San Jose, CA, United States

Abstract

The optimization of electrosurgical procedures requires a rigorous understanding of the electrical, thermal, mechanical and chemical events accompanying the ablation process. Modeling is indispensable and is needed to further advance this technology. This study introduces a novel tissue electrosurgical ablation model based on interstitial vapor nucleation and expansion. The model describes interstitial vapor nucleation and bubble growth using a homogeneous nulceation theory and Rayleigh equation. Electrosurgical incisions were made on beef muscle while equivalent electrical circuit patameters were monitored as a function of power settings and scalpel geometries. Thermal damage was measured using light and polarization microscopy. Results were compared with predictions produced by a numerical simulation, which modeled the tissue and electrosurgical scalpel interaction as a function of power settings and scalpel geometry.

Citation Download Citation

Dmitry E. Protsenko and John Anthony Pearce "Electrosurgical tissue resection: a numerical and experimental study", Proc. SPIE 4954, Thermal Treatment of Tissue: Energy Delivery and Assessment II, (10 June 2003); https://doi.org/10.1117/12.476344

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