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Biomedical Engineering / Biomedizinische Technik

Editor-in-Chief: Dössel, Olaf

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Volume 56, Issue 1 (Feb 2011)

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Volume 57 (2012)

OrthoJacket: an active FES-hybrid orthosis for the paralysed upper extremity

Oliver Schill
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
  • Email:
/ Roland Wiegand
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
/ Bastian Schmitz
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
/ Richard Matthies
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
/ Ute Eck
  • Heidelberg University Hospital, Spinal Cord Injury Centre, Heidelberg, Germany
/ Christian Pylatiuk
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
/ Markus Reischl
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
/ Stefan Schulz
  • Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, Karlsruhe, Germany
/ Rüdiger Rupp
  • Heidelberg University Hospital, Spinal Cord Injury Centre, Heidelberg, Germany
Published Online: 2011-01-07 | DOI: https://doi.org/10.1515/bmt.2010.056

Abstract

The loss of the grasp function in cervical spinal cord injured (SCI) patients leads to life-long dependency on caregivers and to a tremendous decrease of the quality of life. This article introduces the novel non-invasive modular hybrid neuro-orthosis OrthoJacket for the restoration of the restricted or completely lost hand and arm functions in high tetraplegic SCI individuals. The primary goal of the wearable orthosis is to improve the paralysed upper extremity function and, thus, to enhance a patient's independence in activities of daily living. The system combines the advantage of orthotics in mechanically stabilising joints together with the possibilities of functional electrical stimulation for activation of paralysed muscles. In patients with limited capacity, for force generation, flexible fluidic actuators are used to support the movement. Thus, the system is not only intended for functional restoration but also for training. Several sensor systems together with an intelligent signal processing allow for automatic adaptation to the anatomical and neurological individualities of SCI patients. The integration of novel user interfaces based on residual muscle activities and detection of movement intentions by real-time data mining methods will enable the user to autonomously control the system in a natural and cooperative way.

Keywords: active orthosis; exoskeleton; fluidic actuators; functional electrical stimulation; neuroprosthesis; tetraplegia

About the article

Corresponding author: Oliver Schill, Karlsruhe Institute of Technology (KIT), Institute of Applied Computer Science and Automation, 76128 Karlsruhe, Kaiserstr. 12, Germany Phone: +49-7247-826672 Fax: +49-7247-825702


Received: 2010-03-11

Accepted: 2010-07-08

Published Online: 2011-01-07

Published Online: 2011-01-07

Published in Print: 2011-02-01


Citation Information: Biomedizinische Technik/Biomedical Engineering, ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: https://doi.org/10.1515/bmt.2010.056. Export Citation

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