The NURing

The NURing is a wearable haptic guidance device that enables precise, eyes-free interaction through fingertip deflection, a kinesthetic feedback modality inspired by the natural gesture of a child leading a parent by the finger. Unlike vibrotactile systems that rely on skin-level buzz patterns requiring conscious interpretation, the NURing communicates directional guidance by physically displacing the fingertip through controlled actuation. This produces continuous, physically-intuitive cues that users can immediately follow during reaching, navigation, and manipulation tasks without occupying critical sensory channels like vision or hearing. The device is designed to operate within individually-calibrated comfort and range-of-motion thresholds, ensuring that guidance cues remain perceptible and distinct without causing discomfort during extended wear.

For individuals who are blind or visually impaired, the NURing has the potential to address longstanding challenges in safely locating and interacting with objects in peripersonal space. Tasks like retrieving dropped medication, grasping kitchen utensils by their handles rather than blades, selecting specific items from cluttered shelves, or operating touchscreen interfaces without tactile landmarks can be time-consuming, frustrating, or even dangerous when performed without visual feedback. The system’s kinesthetic guidance directs users’ hands to safe contact points, precise button locations, or selected targets while preserving natural touch sensing and dexterous manipulation capabilities. Pilot studies have demonstrated the device’s effectiveness for both environmental navigation and fine fingertip interaction guidance, including tasks like operating elevator controls and locating specific objects within arm’s reach.

The ongoing NURing research project has produced several peer-reviewed publications and a pending patent, with current work focusing on systematic evaluation with blind and visually impaired participants. The broader research situates the NURing within a human-centered design framework: engineering performance is measured not only by technical precision, but by how meaningfully the device extends what people can do in the world without depending on sight—enabling safer, more confident interaction with everyday environments through guidance that works through physical intuition rather than cognitive translation.

For more information on the NURing, or for collaboration opportunities, please contact ttrzpit@u.northwestern.edu.