Once the device is full, it must be removed and sweat collection must cease. While wearable sensors address some hurdles in sweat collection, they remain single-use, the researchers say. These techniques need trained personnel, special handling and costly laboratory equipment. Using bands or straps to press against the epidermis, these pads or tubes capture sweat as it emerges from the skin. “With the sweatainer, we are utilizing 3D-printing to showcase the vast opportunities this approach enables for accessible, innovative and cost-effective prototyping of advanced wearable sweat devices.”Īccording to the researchers, traditional methods for sweat collection use absorbent pads of microbore tubes. “3D-printing enables an entirely new design mode for wearable sweat sensors by allowing us to create fluidic networks and features with unprecedented complexity,” Department of Mechanical Engineering Assistant Professor Tyler Ray said. Using various sensors, the device collects and analyzes sweat to enable health monitoring. The researchers say the small, wearable device - similar in size to a child’s sticker - expands the capabilities of wearable sweat devices. Researchers at the University of Hawaiʻi at Mānoa College of Engineering say they developed a 3D-printed, wearable sweat sensor.Ĭalled the “sweatainer,” the device harnesses the power of additive manufacturing to enable a new type of wearable sweat sensor.
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