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Assistive Eating Utensil Design for an Individual with Arthrogryposis Multiplex Congenita

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Student Designers: Benjamin Lieberman, Murad Almurqaten, Justin Scharf (New Jersey Institute of Technology)


Abstract

Fork assembly: Components shown: Covered Motor with a space for the Rocker Switch, Platform, Dremel® Cable, Handle, Translating Cylinder, and Fork Attachment.
Fork assembly: Components shown: Covered Motor with a space for the Rocker Switch, Platform, Dremel® Cable, Handle, Translating Cylinder, and Fork Attachment.

The case in study is of an individual with arthrogryposis multiplex congenita (AMC) who cannot bend his elbows or feed himself efficiently due to elbow contractures. An automatic fork was designed to assist the subject in self feeding. With the push of a button, the fork with the food on it will move toward his mouth for ingestion. The study is intended to increase his independence and self esteem while investigating the possibility of applying the technology to other AMC patients.


Solution

The utensil will be able to move the food to his mouth through his decreased range of motion by lengthening itself with minimal effort on the user’s end. The design concept would be to have a motor attached to the end of the utensil that would provide the necessary torque and speed to wind and unwind the flexible rod with the flip of a switch.

For full story, visit Assistive Eating Utensil Design for an Individual with Arthrogryposis Multiplex Congenita


References