Abstract

The lack of sensory capabilities has greatly reduced the versatility of current prosthetics. To date, a daunting challenge remains in restoring the sensory function to forearm amputees. This research created a digitally embedded Smart Skin to restore the tactile sensory functions. Two prototypes were designed using a 3D printed prosthetic hand and silicone skin as artificial human skin embedded with a temperature sensor and force sensitive resistor (FSR) to create a Smart Skin. A Non-Invasive system was designed using Arduino and a quad operational amplifier to transmit real time sensations of temperature and force. The results showed that this sensory feedback system instantaneously transmitted modality matched sensations to the upper residual arm of the Amputee. This cost-effective Smart Skin design can drastically improve the quality of life for amputees.

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