Journal
JOURNAL OF MEDICAL DEVICES-TRANSACTIONS OF THE ASME
Volume 15, Issue 3, Pages -Publisher
ASME
DOI: 10.1115/1.4051247
Keywords
additive manufacturing; peripheral neuropathy; microcontroller; wearable electronics; flexible sensors
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The report introduces a real-time visualization aid called NeuroGlove for neuropathy patients, which provides a visual light scale to understand grasp strength. It is a simple and inexpensive solution that offers potential customization in design, material, and geometry through additive manufacturing technology.
Neuropathy is a nerve-damaging disease that causes those affected to lose feeling in their otherwise functional limbs. It can cause permanent numbing to the peripheral limb of a patient such as a hand or foot. In this report, we present a real-time visualization aid for grasp realization that can be used by patients experiencing numbness of the limb. This wearable electronic device was developed on an open-source microcontroller-based platform. This is a very simple and inexpensive solution. It is referred to as the NeuroGlove, and it provides patients with a visual light scale to allow them to understand the strength of the grasp that they have on any object. A soft tactile sensor was additively manufactured by utilizing a multimaterial direct-print system. The sensor consists of an ionic liquid (IL)-based pressure-sensitive membrane, stretchable electrodes, and insulation membranes. The printed flexible polymeric sensor was evaluated under varying forces. Next, the fabricated sensor was integrated with a microcontroller board where it was programmed to respond in a light scale according to the applied force on the sensor. Finally, the sensor-microcontroller system was installed on a glove to demonstrate a wearable visual aid for neuropathy patients. Additive manufacturing offers the ability for customization in a design, material, and geometry that could potentially lead to printing sensors on prosthetic or robotic hands.
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