Medical & Biological Engineering & Computing

, Volume 45, Issue 9, pp 887–900 | Cite as

ARMin: a robot for patient-cooperative arm therapy

Original Article

Abstract

Task-oriented, repetitive and intensive arm training can enhance arm rehabilitation in patients with paralyzed upper extremities due to lesions of the central nervous system. There is evidence that the training duration is a key factor for the therapy progress. Robot-supported therapy can improve the rehabilitation allowing more intensive training. This paper presents the kinematics, the control and the therapy modes of the arm therapy robot ARMin. It is a haptic display with semi-exoskeleton kinematics with four active and two passive degrees of freedom. Equipped with position, force and torque sensors the device can deliver patient-cooperative arm therapy taking into account the activity of the patient and supporting him/her only as much as needed. The haptic display is combined with an audiovisual display that is used to present the movement and the movement task to the patient. It is assumed that the patient-cooperative therapy approach combined with a multimodal display can increase the patient’s motivation and activity and, therefore, the therapeutic progress.

Keywords

Robotics Haptic device Exoskeleton Rehabilitation Arm therapy 

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Copyright information

© International Federation for Medical and Biological Engineering 2007

Authors and Affiliations

  1. 1.Sensory-Motor Systems (SMS) LaboratoryETH ZürichZurichSwitzerland
  2. 2.Spinal Cord Injury CenterUniversity Hospital Balgrist, University ZurichZurichSwitzerland

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