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Related Experiment Video

Updated: Dec 13, 2025

Haptic/Graphic Rehabilitation: Integrating a Robot into a Virtual Environment Library and Applying it to Stroke Therapy

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Haptic Intracorporeal Palpation Using a Cable-Driven Parallel Robot: A User Study.

Arianna Saracino, Timo J C Oude-Vrielink, Arianna Menciassi

IEEE Transactions on Bio-Medical Engineering

|August 4, 2020

Summary

This summary is machine-generated.

Restoring haptic feedback in robotic surgery improves surgical trainees' ability to detect nodules and reduces applied forces. This low-cost system enhances performance in minimally invasive procedures.

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Area of Science:

Robotics
Surgical Technology
Haptics

Background:

Intraoperative palpation in robotic minimally invasive surgery lacks haptic feedback, potentially impacting surgeon performance and patient outcomes.
Restoring force reflection in teleoperated systems is crucial for improving surgical procedures.

Purpose of the Study:

To develop and evaluate a force-based sensing approach for robotic surgery using a cable-driven parallel manipulator.
To assess the impact of haptic feedback on surgical trainees' performance during palpation tasks.

Main Methods:

A novel force-based sensing approach was developed, estimating tissue probing forces from cable tensions without end-effector force sensors.
A user study with 22 surgical trainees compared visual feedback alone versus combined visual and haptic feedback during palpation tasks on silicone phantoms.

Main Results:

Surgical trainees preferred the combined visual and haptic feedback modality.
Hard nodules detection sensitivity improved significantly (94.35% vs 76.09%) with haptic feedback.
Applied forces on phantom tissues decreased (4.13 N vs 4.82 N), and perceived workload was reduced.

Conclusions:

The developed system offers a low-cost method for estimating tissue-probe contact forces without specialized end-effector sensors.
Haptic feedback integration in robotic surgery significantly improves tumor detection rates, reduces probing forces, and lowers perceived workload for trainees.