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Pulse Oximetry

Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
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A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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生物GAP-Ultra:一个模块化边缘人工智能平台,用于可穿戴的多模式生物信号获取和处理.

Sebastian Frey, Giusy Spacone, Andrea Cossettini

    IEEE transactions on biomedical circuits and systems
    |January 12, 2026
    PubMed
    概括

    生物GAP-Ultra是一个先进的可穿戴生物传感平台,用于持续的生理监测. 它可以在设备上对电生理学和血液动力学信号进行人工智能处理,并具有最先进的能源效率.

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    科学领域:

    • 可穿戴技术是可穿戴的技术.
    • 生物医学工程 生物医学工程
    • 医疗保健中的人工智能

    背景情况:

    • 越来越多的人在现实环境中对持续的生理监测和人机交互的需求.
    • 需要灵活,低功耗的可穿戴平台,具有设备内智能.
    • 现有的可穿戴生物传感平台在存储,连接和信号模式方面的局限性.

    研究的目的:

    • 为了介绍BioGAP-Ultra,一个先进的多式联络生物传感平台.
    • 为了使不同电生理学和血液动力学信号的同步获取.
    • 为了在可穿戴设备上实现嵌入式AI处理的最先进的能源效率.

    主要方法:

    • 开发了BioGAP-Ultra,这是BioGAP设计的延伸,具有增加的存储,改进的无线连接和增强的信号模式.
    • 将BioGAP-Ultra集成到各种可穿戴的形式因素 (头带,袖子,胸带) 中.
    • 部署在设备上的AI应用程序,用于光电缩学 (PPG) 和电肌学 (EMG) 信号分析.

    主要成果:

    • 生物GAP-Ultra支持同步采集EEG,EMG,ECG和PPG信号.
    • 在不同形状因子 (例如,ECG-PPG胸带的9.3mW) 中,用于连续监控和AI处理的低功耗.
    • 为设备上的人工智能应用实现了高精度,例如基于EMG的运动相分类 (79.9%±5.7%在23.6mW).

    结论:

    • 生物GAP-Ultra是一个多功能和节能的多式联络生物传感平台,用于先进的可穿戴应用.
    • 该平台能够在设备上进行人工智能处理,用于实时生理监测和人机交互.
    • 硬件和软件的开源发布促进了可穿戴生物传感器的进一步研究和开发.