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All Projects → OpenBionics → Prosthetic Hands

OpenBionics / Prosthetic Hands

Licence: other
Affordable (< 200$), light-weight (< 300 gr), anthropomorphic prosthetic hands, using a novel selectively-lockable differential mechanism

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OpenBionics - Prosthetic Hands

Nowadays most prosthetic hands cost dozens of thousands of USD. The OpenBionics initiative (www.openbionics.org) presents a new open-source design for highly functional prosthetic hands. The proposed hands cost less than 200$, weigh less than 300 gr and can be easily fabricated with off-the-shelf materials and rapid prototyping techniques (3D Printing).

A novel differential mechanism (based on the whiffletree) allows the user to block the motion of each finger independently and facilitates the execution of 144 different grasps with only 1 actuator. The design is based on parametric models of hand anthropometry studies, so it can easily be personalized to specific patients.

Contents

In this repository you can find:

  • Detailed assembly guide for the replication of OpenBionics prosthetic hand
  • Parametric CAD files for personalized design
    • 2D CAD design files for laser cutter
    • 3D CAD design files for 3D printer
  • Breakout board
  • Prosthetic hand kinematics in MATLAB using robotics toolbox
  • Arduino software for HerkuleX DRS-0201 servo motor operation
  • Archive of various images

Notes

Please open a GitHub issue if you encounter any problem.

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