Computational modeling for high-frequency surgery

Abstract: This project explores the use of Finite Element Modeling (FEM) to support regulatory approval processes for high-frequency (HF) surgical devices. By refining an existing model and conducting ex vivo tests, the study investigated the influence of mesh refinement, tissue deformation, and electrode-tissue contact on heat propagation and necrosis formation. Results showed among others that finer mesh sizes and accurate modeling of tissue deformation improve simulation accuracy, particularly in predicting necrosis spread.