Wissam Assaad

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About

Wissam Assaad is a researcher whose work lies at the intersection of robotics, biomechanics, and soft tissue modeling, with a particular focus on improving the precision of needle-based medical procedures. His key research areas include finite element (FE) analysis of needle-tissue interactions, robotic needle steering, and the mechanics of bevel-tipped needles. Assaad’s major contribution is the development of computational models that predict how needles deviate from their intended path when interacting with soft tissues—a critical challenge in minimally invasive surgeries. His most-cited paper, "Finite-Element Modeling of a Bevel-Tipped Needle Interacting with Gel" (2015, 17 citations), provides foundational insights into the forces and deformations that occur during needle insertion, enabling the design of robotic steering systems that can correct for path deviations in real time. This work has implications for improving the accuracy of biopsies, drug delivery, and brachytherapy. By combining advanced simulation with practical robotic applications, Assaad’s research bridges the gap between theoretical mechanics and clinical tools, offering a pathway to safer, more reliable interventions. His contributions are particularly valuable for students and researchers exploring the integration of robotics and soft tissue mechanics in medical device design.