ResearchResearch paperRobotics & Embodied AI · Computer Vision1 source · Oct 7, 2026

Hall Effect-Based Tactile Force Detection Sensor for Robot-Assisted Minimally Invasive Surgery

We present a compact force sensor with three, millimeter scale sensing elements (taxels) that can be affixed to the grasping face of a robotic surgical tool.

Key points

  • Robotic minimally invasive surgery has revolutionized surgical practice.
  • The sensor features a miniaturized design using Hall effect sensors and magnets embedded in a deformable elastomer contact layer.
  • The calibrated sensor was validated on phantom and ex vivo porcine tissue, demonstrating tactile sensing during retraction as well as slip.
  • This work introduces a small-scale Hall effect based tactile sensor, enabling sensing for force-sensitive robotic surgical applications.

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