E-Glove: A prosthetic hand to provide humanlike softness, warmth and sensory perception

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Published: September 19, 2019 1:50:52 AM

The e-glove is connected to a specially designed wristwatch, allowing for real-time display of sensory data and remote transmission to the user for post-data processing.

E Glove, prosthetic hand, sensory perception, industry news, technology news, Purdue University, The e-glove uses thin, flexible electronic sensors and miniaturised silicon-based circuit chips on the commercially available nitrile glove.

People with hand amputations experience daily challenges, often leading to lifelong use of prosthetic hands and services. An electronic glove, or e-glove, developed by Purdue University researchers can be worn over a prosthetic hand to provide humanlike softness, warmth, appearance and sensory perception, such as the ability to sense pressure, temperature and hydration. While a conventional prosthetic hand helps restore mobility, the new e-glove advances the technology by offering realistic human handlike features in daily activities and life roles, with the potential to improve their mental health and well-being by helping them more naturally integrate into social contexts.

The e-glove uses thin, flexible electronic sensors and miniaturised silicon-based circuit chips on the commercially available nitrile glove. The e-glove is connected to a specially designed wristwatch, allowing for real-time display of sensory data and remote transmission to the user for post-data processing.

Chi Hwan Lee, an assistant professor in Purdue’s College of Engineering, in collaboration with other researchers at Purdue, the University of Georgia and the University of Texas, worked on the development of the e-glove technology. “We developed a novel concept of the soft-packaged, sensor-instrumented e-glove built on a commercial nitrile glove, allowing it to seamlessly fit on arbitrary hand shapes,” Lee said. “The e-glove is configured with a stretchable form of multimodal sensors to collect various information such as pressure, temperature, humidity and electrophysiological biosignals, while simultaneously providing realistic human hand-like softness, appearance and even warmth.”

Lee hopes that the appearance and capabilities of the e-glove will improve the well-being of prosthetic hand users by allowing them to feel more comfortable in social contexts. The glove is available in different skin tone colours, has lifelike fingerprints and artificial fingernails.
“The prospective end user could be any prosthetic hand user who has felt uncomfortable wearing current prosthetic hands, especially in many social contexts,” Lee said. The fabrication process of the e-glove is cost-effective and manufacturable in high volume, making it an affordable option for users unlike other emerging technologies with mind, voice and muscle control embedded within the prosthetic at a high cost. Additionally, these emerging technologies do not provide the humanlike features that the e-glove provides.

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