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Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
Published on: May 23, 2019
Haptic Glove and Platform with Gestural Control For Neuromorphic Tactile Sensory Feedback In Medical Telepresence †
Jessica D'Abbraccio1, Luca Massari2,3, Sahana Prasanna4
1The BioRobotics Institute, Sant'Anna School of Advanced Studies, 56025 Pisa, Italy. jessica.dabbraccio@santannapisa.it.
This study introduces a novel tele-palpation system for enhanced sensory perception in remote object examination. The haptic feedback system effectively improved nodule identification, particularly for stiffer inclusions.
Area of Science:
- Biomedical Engineering
- Neuroscience
- Robotics
Background:
- Advancements in haptics are crucial for augmenting sensory perception in tele-surgery.
- Reproducing sensed information via tactile feedback is key for remote object palpation.
Purpose of the Study:
- To present a novel tele-palpation apparatus for detecting nodules of varying stiffness in a phantom.
- To evaluate the effectiveness of encoded tactile feedback in remote nodule identification.
Main Methods:
- A tele-palpation platform measured contact force, encoded it using a neuromorphic model, and reproduced it via a haptic glove.
- Nodule identification was assessed under In Line of Sight (ILS) and Not In Line of Sight (NILS) conditions (50 km apart).
Main Results:
- Nodule identification accuracy was higher for stiffer inclusions (average 74%) compared to softer ones.
- The system demonstrated effectiveness in both ILS and NILS telepresence conditions.
Conclusions:
- The developed tele-palpation apparatus shows promise for tactile augmentation in medical interventions.
- Further research into tactile feedback technologies for remote surgery is warranted.
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