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40th Annual International conference of the IEEE-Engineering-in-Medicine-and-Biology-Society (EMBC)

作者： Armanfard, Narges Komeili, Majid Mihailidis, Alex Univ Toronto Univ Hlth Network Toronto ON Canada

ISBN: (纸本)9781538636466

Home-based programs have been shown to be effective in improving health conditions, patient self-management, quality of life, and health outcomes. However, there is mixed-evidence on the effectiveness of these programs due to limitations in the intervention tools that are used, primarily the burden that is placed on the user, especially among seniors. In this paper we developed a novel home-based package that measures critically important physiological information such that neither active compliance or interaction from the user is required. To this end, we embedded passive sensors (including load cells, electrodes, pulse sensor and color sensors) into common household items such as tiling, furniture and wall. The smart package measures subject's electrocardiogram (ECG), photoplethysmogram (PPG), ballistocardiogram (BCG), electromyogram (EMG) and imaging photoplethysmogram (IPPG). In contrast to the previous studies, the proposed package measures all the physiological information unobtrusively, simultaneously and in a synchronized manner such that all the data samples corresponding to different intervals of a specific cardiovascular cycle can be identified. Such information can be analyzed by a clinician or be used for a higher level information extraction such as beat-to-beat blood pressure estimation. In addition, the proposed package is the first and only home-based technology that can simultaneously and unobtrusively capture both mechanical and electrical characteristics of user's heart activities. This results in a more accurate home-based vital parameters monitoring.

关键词： Intelligent sensors Electrodes Foot biomedical monitoring Electrocardiography Electromyography

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Editorial Special Issue on sensors for Noninvasive physiological Monitoring

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IEEE sensorS JOURNAL 2012年第3期12卷 413-415页

作者： Lay-Ekuakille, Aime Davis, Cristina Kanoun, Olfa Li, Zhihong Trabacca, Antonio Univ Salento Dept Innovat Engn I-73100 Lecce Italy Univ Calif Davis Dept Mech & Aeronaut Engn Davis CA 95616 USA Tech Univ Chemnitz D-09126 Chemnitz Germany Peking Univ Microelect Inst Microelect Beijing 100871 Peoples R China Sci Inst IRCCS E Medea Unit Neurorehabil I-23842 Bosisio Parini Lecco Italy

The need for noninvasive physiological monitoring has been a goal for some time, but there were many technical limitations in the past that limited development of this new category of tools. Some of these limitations have now been solved and addressed thanks to new discoveries and advances in the fields of measurement technology, material science, micro/nanotechnologies, electronics, signal processing, diagnosis approaches, and image processing capabilities – just to name a few. The aforementioned advances allow us to noninvasively monitor many physiological parameters and to develop new devices and instrumentation to examine the function of many diverse physiological systems, namely, heart, brain, foetus, body motion, kidney, blood, breathing, lungs, skin, eyes – again, naming only a few applications. This Special Issue has shown the interest of international scientific community working on the topic, and we received manuscript submissions on almost every topic of noninvasive sensing, including: technology infrastructure, software issues, sensors and sensing systems. Wireless sensor networks are particularly interesting, and there is an urgent and growing need for this technology in the area of health monitoring and medical telemetry. This has been greatly facilitated by advances in the biological sensor research area. Health monitoring for both routine and critical life-threatening purposes may both be equally of interest, and there are still remaining technical constraints that should be studied in more depth, including: lowering overall power consumption, increased security measures for critical data, adaptability to various network configurations, increased data throughput, and message latency. Seeing the index of works that were selected for final publication, most of subtopics of the call for papers have been covered by very high quality contributions.

关键词： Special issues and sections Noninvasive treatment biomedical monitoring Physiology

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smart Wireless Headphone for Cardiovascular and Stress Monitoring 14

Smart Wireless Headphone for Cardiovascular and Stress Monit...

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14th Annual IEEE International conference on Wearable and Implantable Body sensor Networks (BSN)

作者： Rosa, Bruno M. G. Yang, Guang Z. Imperial Coll London South Kensington Campus London SW7 2AZ England

ISBN: (纸本)9781509062447

Wearable technology has become ubiquitous in recent years due to the miniaturization of circuit electronics and advances in smart materials that can conform to the requirements posed by the human body, behaviour and experience. sensors of this type are found attached almost to every body segment, capable of delivering signals even in harsh activity scenarios. The reliability and relevance of the physiological data retrieved by wearables have yet to surpass the conventional technologies in the healthcare system today. In this paper we present a small device incorporated inside an headphone set that continuously monitors the ECG, impedance and acceleration of the head. As opposed to most biometric sensors, ECG measurement relies on non-optical methods by capturing the electrical potential around the ear in both sides of the head, whereas impedance monitoring involves AC stimulation instead of DC, the latter commonly involved in skin galvanic response estimation. Signal processing of impedance parameters is performed in situ using a fast variant of the Discrete Fourier Transform in order to save computational resources and power expenditure from a microcontroller equipped with Bluetooth Low Energy. Applications that can benefit from this device include cardiovascular and stress level assessment of individuals

关键词： Electrocardiography Impedance Impedance measurement biomedical monitoring Electrodes Stress Skin

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sensoring: An Integrated Wearable System for Continuous Measurement of physiological Biomarkers

SensoRing: An Integrated Wearable System for Continuous Meas...

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IEEE International conference on Communications (ICC) / Workshop on Integrating UAVs into 5G

作者： Mahmud, Md Shaad Wang, Honggang Fang, Hua Univ Massachusetts Elect & Comp Engn Dartmouth NS 02747 Canada Univ Massachusetts Comp & Informat Sci Dartmouth MA USA

ISBN: (纸本)9781538631805

Advancements in miniaturized electronics and smart sensors combined with a broad platform of smart phones, big data, cloud service and wireless communication have not only empowered wearable technology, they have also increased users life expectancy. This is done through a range of applications including;tracking physical activity, personalized health care, and recommendations for enhancing user experience. However, the ability to measure one's emotional state using wearable biosensors in healthcare applications has been limited due to several challenges related to a lack in comfort, accuracy, reliability and low-power consumption. In this paper, we presented a novel wearable ring sensor for the continuous measurement of four SNS activities: Electrodermal activity (EDA), heart rate, skin temperature and locomotion. Detailed information is given regarding the development of the proposed ring sensor followed by a discussion of the evaluation that was done utilizing the biosensor on volunteers to gather data. Specifically, volunteers wore the ring sensor while being simultaneously monitored with real-time telemetry and while going through different emotional states. The experiment demonstrated accurate results, and data were collected from 43 participants of diverse age, body mass, height, and race. Additionally, to evaluate the performance of the developed ring sensor, we compared the results with a state-of-the-art open source device. This research aims to improve the worn biomedical sensor market, specifically when it comes to size and accuracy of worn sensors.

关键词： EDA GSR Heart Rate Stress Emotion Ring Drug Real-time Wearable

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Phantom-based evaluation of a planar microwave sensor for non-invasive intracranial pressure monitoring

Phantom-based evaluation of a planar microwave sensor for no...

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IEEE MTT-S International Microwave biomedical conference (IMBioC)

作者： Perez, Mauricio D. Avetisyan, Erik Mandal, Bappaditya Monorchio, Agostino Lewen, Anders Augustine, Robin Uppsala Univ Dept Elect Engn Uppsala Sweden Pisa Univ Dept Informat Engn Pisa Italy

ISBN: (纸本)9781665492171

Intracranial pressure (ICP) measurements are essential to improve current clinical decision schemes in different scenarios: hospital, home, sports field, military field, etc. ICP is fundamental for understanding cerebrospinal fluid (CSF) mechanics and modelling better physiological conditions. Nowadays, several studies have focused on developing non-invasive ICP monitoring methods (nICP) based on different sensing modalities with advantages and disadvantages. Some works have focused on microwave-based sensing;among them is the application of NASA SansEC spectroscopy technology. This work extends previous results on this technology to nICP. Notably, in a simple phantom-based experiment and with a square spiral planar resonator sensor, pressure values up to 48 mmHg could be achievable. The phantom-based experiment consists of a large column tank gradually filled with a liquid that mimics the cerebrospinal fluid (CSF) based on data from the Italian database IFAC. Microwave-based methods for non-invasive intracranial pressure monitoring could be instrumental as tools that can be easily embedded and worn and give indications of brain health to trigger proper care in the future.

关键词： intracranial pressure non-invasive methods microwave sensors planar sensors spiral resonators

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physiological signal monitoring in the waiting areas of an emergency room 3

Physiological signal monitoring in the waiting areas of an e...

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3rd International ICST conference on Body Area Networks, BODYNETS 2008

作者： Curtis, Dorothy Shih, Eugene Waterman, Jason Guttag, John Bailey, Jacob Stair, Thomas Greenes, Robert A. Ohno-Machado, Lucila Massachusetts Institute of Technology CSAIL CambridgeMA United States Brigham and Women's Hospital Emergency Department BostonMA United States Arizona State University Department of Biomedical Informatics PhoenixAZ United States Brigham and Women's Hospital Decision Systems Group BostonMA United States

ISBN: (纸本)9789639799172

The Scalable Medical Alert and Response technology (smart) System was developed to monitor physiological signals from patients in the waiting areas of an emergency department. The system monitors the SpO2 (oxygenation level in the blood), ECG (electrical activity of the heart) and the location of multiple patients wirelessly. It was deployed at the Brigham and Women's Hospital in Boston, MA, between June, 2006, and December, 2007. This paper describes the overall architecture, the sensors used, challenges in deploying this technology in a hospital and the degree of patient acceptance. Some sections of this article are based on an article first published in the Journal of the American Medical Informatics Association (J Am Med Inform Assn: 2008;1) [7]. Copyright © 2008 ICST.

关键词： sensor networks

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Novel design of smart sleep-lighting system for improving the sleep environment of children

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technology AND HEALTH CARE 2019年第S1期27卷 S3-S13页

作者： Wei, Qun Lee, Jyung Hyun Park, Hee-Joon Keimyung Univ Sch Med Dept Biomed Engn 1095 Dalgubeol Daero Daegu 42601 South Korea Kyungpook Natl Univ Kyungpook Natl Univ Hosp Sch Med Dept Biomed Engn Daegu South Korea

BACKGROUND: Children struggle to fall asleep by themselves because of their physiological characteristics. Therefore, research has been carried on various devices (such as a smartphone) to assist in improving the sleep quality of children. However, all such devices need to be controlled by parents and do not have functions for monitoring the sleep environment. OBJECTIVE: In this paper, a smart sleep-lighting system that includes a sleep-lighting device and a smartphone dongle is developed to improve the sleep environment of children. METHODS: The temperature, humidity, and luminance of the sleep environment are monitored and analyzed by the sleeplighting device to control multi-color light and audio components. The colored light emitted by the multi-color light can be adjusted to improve the sleep atmosphere. Also, the audio component can play white noise to induce sleep. In addition, parents can use a smartphone dongle with a multi-channel wireless communication method to monitor and control one or more lighting devices in different locations in real time. RESULTS: For environmental monitoring, average difference between proposed device and commercial sensor from chamber setting temperature 15 degrees C to 35 degrees C was 0.588 degrees C +/- 0.10 degrees C, and average error value of the humidity measurement was 0.74% at 40% similar to 60% RH. Also, the manufactured sleep-lighting device shows good performance in multi-color light emission, and playing of white noise. As result, the smartphone connected to the proposed smartphone dongle enables monitoring and control of the proposed lighting device in a wireless well. CONCLUSIONS: The manufactured sleep-lighting device has a high-precision temperature and humidity sensor and a luminance sensor that can accurately monitor the sleeping environment. The lighting device can play white noise to induce sleep in children. Also, a multi-color LED light is operated via a smartphone application to improve the sleep atmosphe

关键词： Children sleep environment sleep aid mood light wireless multi-channel communication smartphone dongle

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Development of a belt-type wearable sensor system with multi-function for home health care

Development of a belt-type wearable sensor system with multi...

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3rd International conference on Mechatronics and Information technology (ICMIT 05)

作者： Ban, YH Choi, SJ Jiang, ZW Park, C Yamaguchi Univ Dept Mech Engn Ube Yamaguchi 7558611 Japan

ISBN: (纸本)0819460729

Some reports show that the physiological information measured in hospital is not enough without the one measured in home. The physiological information monitored in home, therefore, is strongly required recently. The goal of this research is to develop a wearable and tractable sensor system for detecting biomedical signals such as cardiac rhythm, respiration, body movement, and percentage of body fat (%BF) and for home health care. A belt type sensor for this purpose is developed, which consists of sensing materials of PVDF film and conductive fabrics. Also several data processing techniques, such as the discrete wavelet transform, cross correlation and adaptive filtering method, were introduced to eliminate noises and base wandering and to extract the specified components. The ECG and respiration signals obtained by the proposed belt type sensor system gave good agreements with commercial medical system. Furthermore, the body fat (%BF) measurement based on the four-electrode BIA was also built in the belt sensor. The body fat was calculated by measuring the body impedance from the belt type sensor and compared with the predicted %BF measured by the commercial adipometer (TBF-607). The results validated also the efficiency of the belt type sensor system.

关键词： belt-type wearable sensor body impedance ECG primary health care respiration %BF

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Ambulatory sensor for the monitoring of the edema circumference in lower limbs

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sensorS AND ACTUATORS A-PHYSICAL 2018年 272卷 83-91页

作者： Gehin, C. Grenier, E. Chaigneau, C. Reinaudo, J. Claude, A. Massot, B. Montalibet, A. McAdams, E. T. Univ Lyon INSA Lyon CNRS INLUMR5270 F-69621 Villeurbanne France Sigvaris St Just St Rambert France

The monitoring of geometrical variations in segments of the human body is currently not widely used due to the lack of suitable devices. For lower limbs, for example, a simple measuring tape is generally used to periodically measure key dimensions. This measurement approach, and the associated lack of reproducibility, is not compatible with ambulatory monitoring and it is further recognized that precise, standardized reference points are required for the more meaningful monitoring of the lower leg. The paper presents the design and realization of a new sensor system dedicated to the measurement of geometrical variations in the lower limbs, enabling the ambulatory monitoring of leg edemic swelling during daily activity. The sensor is based on an inductive loop directly integrated into a textile band and connected to a miniaturized electronic system which sends, via wireless transmission, the perimeter value of the leg (assuming that its shape is circular) to a laptop and in the near future, to a mobile phone. The inductive loop has been modeled using Matlab to predict the inductance value and determine the necessary parameters of the electronic circuit. The portable, ambulatory device enables the measurement of perimeters ranging from 25 cm to 33 cm, with an accuracy of 0.3 cm. Stability of the sensor over the time is very good (3.4% of the full scale). Hysteresis occurs when the textile is stretched between two extreme values which can be minimized by regular calibration of the system. The presented results are significantly better than those currently obtained using the traditional measuring tape. (C) 2018 Elsevier B.V. All rights reserved.

关键词： Edema monitoring PSoC Ambulatory monitoring smart textile Non-invasive sensor

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smart monitoring of user's health at home: Performance evaluation and signal processing of a wearable sensor for the measurement of Heart Rate and Breathing Rate 9

Smart monitoring of user's health at home: Performance evalu...

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9th International conference on Bio-Inspired Systems and Signal Processing, BIOSIGNALS 2016 - Part of 9th International Joint conference on biomedical Engineering Systems and Technologies, BIOSTEC 2016

作者： Casaccia, Sara Pietroni, Filippo Calvaresi, Andrea Revel, Gian Marco Scalise, Lorenzo Dipartimento di Ingegneria Industriale e Scienze Matematiche Università Politecnica delle Marche Ancona Italy

ISBN: (纸本)9789897581700

Nowadays, the monitoring of users' health status is possible by means of smart sensing devices at low-cost and with high measuring capabilities. Wearable devices are able to acquire multiple physiological and physical waveforms and are equipped with on-board algorithms to process these signals and extract the required quantities. However, the performance of such processing techniques should be evaluated and compared to different approaches, e.g. processing of the raw waveforms acquired. In this paper, the authors have performed a metrological characterization of a commercial wearable monitoring device for the continuous acquisition of physiological quantities (e.g. Heart Rate - HR and Breathing Rate - BR) and raw waveforms (e.g. Electrocardiogram - ECG). The aim of this work is to compare the performance of the onboard processing algorithms for the calculation of HR and BR with a novel approach applied to the raw signals. Results show that the HR values provided by the device are accurate enough (±2.1 and ±2.8 bpm in static and dynamic tests), without the need of additional processing. On the contrary, the implementation of the dedicated processing technique for breathing waveform allows to compute accurate BR values (±2.1 bpm with respect to standard equipment). Copyright © 2016 by SCITEPRESS - Science and technology Publications, Lda. All rights reserved.

关键词： Wearable sensors

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