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Related Experiment Videos

Two multiarticulated hydraulic hand prostheses.

Christian Pylatiuk1, Stefan Schulz, Artem Kargov

  • 1Institute for Applied Computer Sciences (IAI), Forschungszentrum Karlsruhe, Karlsruhe, Germany. pylatiuk@iai.fzk.de

Artificial Organs
|October 27, 2004
PubMed
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New prosthetic hands integrate hydraulics and fluidic actuators for reduced weight and enhanced function. These designs offer improved grip stability and cosmetic appearance for users.

Area of Science:

  • Biomedical Engineering
  • Rehabilitation Engineering
  • Robotics

Background:

  • Current prosthetic hands often lack the desired functionality, cosmetic appeal, and lightweight design.
  • User demand for advanced prosthetic solutions is increasing.

Purpose of the Study:

  • To design and present novel lightweight prosthetic hand designs.
  • To improve functionality, aesthetics, and reduce weight in prosthetic hands.

Main Methods:

  • Integration of a hydraulic system with small fluidic actuators at digit joints.
  • Development of two distinct lightweight experimental prosthetic hand designs.

Main Results:

  • Achieved a 50% weight reduction in one design compared to conventional prosthetics.

Related Experiment Videos

  • Enhanced functionality in the second design with additional prehension types.
  • Demonstrated improved object gripping stability due to articulated digits and flexible materials, reducing required grip force.
  • Optional integration of a tactile feedback system was explored.
  • Cosmetic silicone rubber gloves were used for a natural appearance.

    • Conclusions:

    • The developed prosthetic hands meet consumer demands for increased functionality, improved aesthetics, and reduced weight.
    • The hydraulic and fluidic actuator approach offers a viable pathway for next-generation prosthetic hand development.