Asghar Ataollahi

About

Asghar Ataollahi is a leading researcher in medical robotics and surgical instrumentation, with a focus on developing novel mechanisms for minimally invasive interventions. His most influential work introduces a variable stiffness joint using granular jamming (46 citations), enabling snake-like robots to transition between flexible and rigid states for safer navigation during surgery. He also pioneered an MR-compatible, three-degree-of-freedom cardiac catheter steering mechanism (45 citations), employing tendon-driven helical segments for precise, real-time control within MRI environments—a critical advancement for image-guided procedures. Ataollahi’s contributions extend to force and tactile sensing, where he developed a prismatic-tip optical fiber integrated with an orthoplanar spring structure (25 citations) and a tactile sensor array for dexterous robotic hands (14 citations). These sensing innovations convert applied forces into measurable light intensity modulations, enhancing haptic feedback in robotic systems. His work bridges fundamental mechanics and clinical application, earning recognition for its originality and impact on next-generation surgical tools.

Research Focus

Key Achievements

Top Papers

1. 1
   A Variable Stiffness Joint by Granular Jamming

   46 citations · 2012
2. 2
   Three-Degree-of-Freedom MR-Compatible Multisegment Cardiac Catheter Steering Mechanism

   45 citations · 2013
3. 3
   Novel Force Sensing Approach Employing Prismatic-Tip Optical Fiber Inside an Orthoplanar Spring Structure

   25 citations · 2012
4. 4
   Tactile sensor array using prismatic-tip optical fibers for dexterous robotic hands

   14 citations · 2010

Key Collaborators

Contact & Links