植入物到植入物无线网络与金属材料织品
Xi Tian1,2, Qihang Zeng3,4, Selman A Kurt3
1Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117583, Singapore. tianxi@u.nus.edu.
Nature communications
|July 19, 2023
概括
研究人员开发了超材料织品,为植入的生物电子设备提供直接无线网络. 这项技术克服了信号损失,允许全身通信,用于没有外部中继的先进适应性疗法.
科学领域:
- 生物电子医学 生物电子医学
- 超材料科学 超材料科学
- 无线通信无线通信
背景情况:
- 植入的生物电子设备提供分布式传感和治疗,但由于身体信号损失,缺乏直接网络.
- 目前的系统依赖于外部继电器,引入充电需求和单点故障.
研究的目的:
- 为了展示直接的植入物到植入物无线网络在人体范围内.
- 为了克服网络生物电子设备目前无线通信的局限性.
主要方法:
- 使用超材料织品,以促进非辐射无线电频率信号在身体表面传播.
- 与没有织品的系统相比,实现了超过30dB的被动信号放大.
- 通过网络植入物在猪模型中证明了闭环心率控制.
主要成果:
- 超材料织品使植入设备之间的直接无线网络成为可能.
- 信号强度被放大了超过3个数量级 (>30 dB).
- 在40厘米的距离上,成功实现了闭环心率控制.
结论:
- 超材料织品为直接植入到植入无线网络提供了可行的解决方案.
- 这项技术支持精确和适应性的生物电子疗法.
- 建立了先进,体内集成的网络医疗设备的基础.
相关概念视频
01:30Bacterial Signaling
32.8K
Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
32.8K
01:12Mesh Analysis for AC Circuits
396
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
396