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A tailored, electronic textile conformable suit for large-scale spatiotemporal physiological sensing in vivo
npj Flexible Electronics ( IF 14.6 ) Pub Date : 2020-04-23 , DOI: 10.1038/s41528-020-0068-y
Irmandy Wicaksono , Carson I. Tucker , Tao Sun , Cesar A. Guerrero , Clare Liu , Wesley M. Woo , Eric J. Pence , Canan Dagdeviren

The rapid advancement of electronic devices and fabrication technologies has further promoted the field of wearables and smart textiles. However, most of the current efforts in textile electronics focus on a single modality and cover a small area. Here, we have developed a tailored, electronic textile conformable suit (E-TeCS) to perform large-scale, multimodal physiological (temperature, heart rate, and respiration) sensing in vivo. This platform can be customized for various forms, sizes and functions using standard, accessible and high-throughput textile manufacturing and garment patterning techniques. Similar to a compression shirt, the soft and stretchable nature of the tailored E-TeCS allows intimate contact between electronics and the skin with a pressure value of around ~25 mmHg, allowing for physical comfort and improved precision of sensor readings on skin. The E-TeCS can detect skin temperature with an accuracy of 0.1 °C and a precision of 0.01 °C, as well as heart rate and respiration with a precision of 0.0012 m/s2 through mechano-acoustic inertial sensing. The knit textile electronics can be stretched up to 30% under 1000 cycles of stretching without significant degradation in mechanical and electrical performance. Experimental and theoretical investigations are conducted for each sensor modality along with performing the robustness of sensor-interconnects, washability, and breathability of the suit. Collective results suggest that our E-TeCS can simultaneously and wirelessly monitor 30 skin temperature nodes across the human body over an area of 1500 cm2, during seismocardiac events and respiration, as well as physical activity through inertial dynamics.



中文翻译:

量身定制的电子纺织品合适服,用于体内大规模时空生理传感

电子设备和制造技术的飞速发展进一步推动了可穿戴设备和智能纺织品领域。但是,当前在纺织电子领域的大多数努力都集中在单一模式上,并且覆盖的面积很小。在这里,我们已经开发出了量身定制的电子纺织品合适服(E-TeCS),可以在体内进行大规模,多模式的生理(温度,心率和呼吸)感应。可使用标准,可访问且高通量的纺织品制造和服装图案化技术,针对各种形式,尺寸和功能定制该平台。类似于压缩衬衫,量身定制的E-TeCS柔软而可拉伸的特性使电子设备与皮肤之间的紧密接触达到约25 mmHg的压力值,使身体舒适并提高皮肤上传感器读数的精度。E-TeCS可以以0.1°C的精度和0.01°C的精度检测皮肤温度,以及以0.0012 m / s的精度检测心率和呼吸2通过机械声惯性感应。在1000次拉伸循环中,编织的纺织电子产品可以拉伸30%,而机械和电气性能不会明显下降。针对每种传感器形式进行了实验和理论研究,并执行了传感器互连的坚固性,可洗性和西服的透气性。集体结果表明,在地震心事件和呼吸以及通过惯性动力学进行的体育活动中,我们的E-TeCS可以同时无线监测1500 cm 2区域内人体的30个皮肤温度节点。

更新日期:2020-04-24
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