Tetra Ryerson

Engineering that breaks down barriers

Tetra Ryerson is a student run group that works with the North American Society of Tetra. Together we create assistive devices for individuals with disabilities

EMG Controlled Prosthetic

The purpose of this accessibility project is to design and create an EMG controlled prosthesis that is functional, light and inexpensive compared to other prostheses options. This prosthesis aims to be detected and processed by the Leap Motion software, which is an interactive gesture sensing technology. This software detects hand, finger and palm movements creating a 3-Dimensional model of the limb and is used for control of various electronic applications (Guna et al., 2014). Developing a lightweight, inexpensive prosthesis to be detected by Leap Motion, will aid individuals undergoing prosthetic rehabilitation. This rehabilitation process includes building and developing body control, managing pain and aiding as a therapy for many amputees who suffer from Phantom Limb pain. The aim of this product is to use a lighter prosthetic along with Leap Motion controllers to help patients overcome the challenges of having to live with one or less upper limbs. In addition to Phantom Limb pain, challenges of rehabilitation to be overcome include speeding up the rehabilitation process by using a lighter prosthetic that does not require additional treatments for neck/shoulder stiffness that can be accompanied by the use of the standard prosthetic hook.

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