3D Printed “Earable” Smart Devices for Real-Time Detection of Core Body Temperature

Ota, Hiroki; Chao, Minghan; Gao, Yuji; Wu, Eric; Tai, Li-Chia; Chen, Kevin; Matsuoka, Yasutomo; Iwai, Kosuke; Fahad, Hossain M.; Gao, Wei; Nyein, Hnin Yin Yin; Lin, Liwei; Javey, Ali

doi:10.1021/acssensors.7b00247

Title: 3D Printed “Earable” Smart Devices for Real-Time Detection of Core Body Temperature

Journal Article · Wed Jul 19 00:00:00 EDT 2017 · ACS Sensors

DOI:https://doi.org/10.1021/acssensors.7b00247· OSTI ID:1567089

Ota, Hiroki ^[1]; Chao, Minghan ^[2]; Gao, Yuji ^[3]; Wu, Eric ^[2]; Tai, Li-Chia ^[1];

^[1]; Matsuoka, Yasutomo ^[2]; Iwai, Kosuke ^[2]; Fahad, Hossain M. ^[1]; Gao, Wei ^[1]; Nyein, Hnin Yin Yin ^[1]; Lin, Liwei ^[2];

^[1]

Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Univ. of California, Berkeley, CA (United States)
Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Tianjin Univ., Tianjin (China)

Real-time detection of basic physiological parameters such as blood pressure and heart rate is an important target in wearable smart devices for healthcare. Among these, the core body temperature is one of the most important basic medical indicators of fever, insomnia, fatigue, metabolic functionality, and depression. However, traditional wearable temperature sensors are based upon the measurement of skin temperature, which can vary dramatically from the true core body temperature. Here, we demonstrate a three-dimensional (3D) printed wearable "earable" smart device that is designed to be worn on the ear to track core body temperature from the tympanic membrane (i.e., ear drum) based on an infrared sensor. The device is fully integrated with data processing circuits and a wireless module for standalone functionality. Using this smart earable device, we demonstrate that the core body temperature can be accurately monitored regardless of the environment and activity of the user. In addition, a microphone and actuator are also integrated so that the device can also function as a bone conduction hearing aid. Using 3D printing as the fabrication method enables the device to be customized for the wearer for more personalized healthcare. This smart device provides an important advance in realizing personalized health care by enabling real-time monitoring of one of the most important medical parameters, core body temperature, employed in preliminary medical screening tests.

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Research Organization:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1567089

Journal Information:: ACS Sensors, Vol. 2, Issue 7; ISSN 2379-3694

Publisher:: American Chemical Society (ACS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 66 works

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