Upper limb prostheses: bridging the sensory gap
Aidan D Roche1,2, Zachary K Bailey3, Michael Gonzalez4
1College of Medicine, The Queen's Medical Research Institute, Edinburgh, UK.
The Journal of Hand Surgery, European Volume
|January 17, 2023
Summary
Restoring sensory feedback in prosthetic hands is crucial for dexterity. Current research shows promise in animal models and early human studies for improving prosthetic control through sensory restitution.
Area of Science:
- Biomedical Engineering
- Neuroscience
- Rehabilitation Medicine
Background:
- Prosthetic hand function requires more than motor control; natural sensory feedback is essential for dexterity.
- Restoring sensory feedback is a critical challenge in developing advanced prosthetic limbs.
Purpose of the Study:
- To review the challenges and current approaches in sensory restitution for prosthetic hands.
- To explore engineering methods and surgical techniques for integrating neural interfaces.
Main Methods:
- Review of existing literature on sensory feedback restoration in prosthetics.
- Analysis of engineering solutions and surgical integration techniques for neural interfaces.
- Examination of findings from animal models and early human studies.
Main Results:
- No single solution currently exists for restoring sensory feedback.
- Partial restoration of sensation has been achieved, improving prosthetic control in preliminary studies.
- Techniques are currently limited to specialized centers.
Conclusions:
- Further research is needed to reproduce and advance sensory restitution techniques.
- The goal is to increase the availability of closed-loop prostheses that utilize sensory feedback for enhanced functionality.


