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Related Experiment Video

Updated: Dec 6, 2025

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

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Published on: November 6, 2015

A tendon-driven prosthetic hand using continuum structure^.

Yadong Yan, Yu Wang, Xiangqian Chen

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|October 6, 2020

Summary

This summary is machine-generated.

This study introduces the TN hand, a 3D-printed prosthetic hand with enhanced mobility. It features finger abduction, improving dexterity for object manipulation and musical tasks.

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Area of Science:

Biomedical Engineering
Robotics
Prosthetics

Background:

Current prosthetic hands often lack degrees of freedom, limiting mobility and dexterity.
Simplification in design and weight reduction can compromise the functional range of prosthetic hands.
The omission of finger abduction, except for the thumb, is a common limitation.

Purpose of the Study:

To present the TN hand, a novel 3D-printed, tendon-driven prosthetic hand.
To enhance the range of mobility in prosthetic hands by incorporating finger abduction.
To validate the design, manufacturing, and functional capabilities of the TN hand.

Main Methods:

Utilized a continuum structure for finger joints.
Designed and manufactured a 3D-printed, tendon-driven prosthetic hand (TN hand).
Conducted experimental testing of finger stiffness and object manipulation capabilities based on hand taxonomy.

Main Results:

The TN hand successfully incorporates flexion/extension and abduction/adduction movements for four fingers.
Experimental validation confirmed the finger stiffness and object manipulation abilities.
The prosthetic hand demonstrated sufficient range of motion for tasks like playing column chords.

Conclusions:

The TN hand design significantly improves prosthetic hand mobility through integrated finger abduction.
The 3D-printed, tendon-driven approach offers a viable solution for enhanced prosthetic functionality.
The TN hand shows promise for improved dexterity and task performance in prosthetic users.