B.W. Schafer

Papers

Total Citations

365

H-Index

About

B.W. Schafer is a leading researcher in the mechanics of needle-tissue interactions, with a primary focus on robotic needle steering for minimally invasive medical procedures. His seminal work, "Mechanics of Flexible Needles Robotically Steered through Soft Tissue" (2010), has garnered over 306 citations and fundamentally advanced the understanding of how bevel-tip needles bend naturally during insertion due to tip asymmetry. This discovery enabled the development of robotic systems capable of steering needles along curved paths to reach subsurface targets inaccessible by straight-line trajectories, revolutionizing precision in procedures like biopsies and drug delivery. In his complementary study, "Observations and models for needle-tissue interactions" (2009, 59 citations), Schafer introduced a mechanics-based model to predict needle deflection within elastic media, supported by microscopic observations of needle-gel interactions. His work bridges theoretical mechanics with practical robotic control, offering critical insights for accurate path planning and tissue deformation compensation. Schafer’s contributions are highly influential in the fields of medical robotics and biomechanics, providing foundational tools for safer, more effective interventional procedures.