2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)最新文献_第6页

Multimodal Sweat Ion and Sweat Rate Sensing with Inkjet-printed Flexible Bracelet and Paperfluidics 多模态汗离子和汗率传感与喷墨打印柔性手镯和纸流体

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171913

Sarah Tonello, A. Golparvar, A. Meimandi, S. Carrara

{"title":"Multimodal Sweat Ion and Sweat Rate Sensing with Inkjet-printed Flexible Bracelet and Paperfluidics","authors":"Sarah Tonello, A. Golparvar, A. Meimandi, S. Carrara","doi":"10.1109/MeMeA57477.2023.10171913","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171913","url":null,"abstract":"Sweat represents an optimal candidate for body chemistry analysis due to its rich composition and accessible collection without the need for invasive sampling. Although several examples of miniaturized potentiometric ion selective electrodes (ISE) have been proposed over the years, several challenges remain concerning the long-term stability and the influence of physical sweat parameters, such as dependencies on sweat rate and temperature. To improve the reliability of the measurements, a multi-parametric sweat analysis with socially discrete wearable packaging can represent a valuable strategy. Therefore, this work proposes a fully custom-designed flexible unit to simultaneously monitor three sweat parameters: ion concentration, temperature, and sweat gain/loss. The proposed intelligent medical bracelet is fabricated on a soft material with a high-resolution inkjet printing technique using commercially available engineered AgNP ink. After describing the design and fabrication of the system, an in-vitro characterization of each sensor is provided, employing a low cost soft paperfluidics, optimal for future applications in vivo. Measurements performed on ISE showed good reversibility and stability during continuous K+ monitoring. Calibration performed for both sweat rate and temperature sensors confirmed the accuracy of the customized circuit. Overall, presented results represent an essential starting point for future implementation in vivo of the prototype.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123042329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An automated system for the design of orthopaedic insoles 一种用于骨科鞋垫设计的自动化系统

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171871

Flavia Marrone, D. Fabris, M. Galli, H. Giberti, Mariano Di Martino, Giovanni Di Martino, M. Tarabini

引用次数: 0

Investigation of mmWave Radar Technology For Non-contact Vital Sign Monitoring 毫米波雷达非接触式生命体征监测技术研究

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171940

Steven Marty, Federico Pantanella, Andrea Ronco, Kanika S. Dheman, M. Magno

{"title":"Investigation of mmWave Radar Technology For Non-contact Vital Sign Monitoring","authors":"Steven Marty, Federico Pantanella, Andrea Ronco, Kanika S. Dheman, M. Magno","doi":"10.1109/MeMeA57477.2023.10171940","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171940","url":null,"abstract":"Non-contact vital sign monitoring has many advantages over conventional methods in being comfortable, unobtrusive and without any risk of spreading infection. The use of millimeter-wave (mmWave) radars is one of the most promising approaches that enable contact-less monitoring of vital signs. Novel low-power implementations of this technology promise to enable vital sign sensing in embedded, battery-operated devices. The nature of these new low-power sensors exacerbates the challenges of accurate and robust vital sign monitoring and especially the problem of heart-rate tracking. This work focuses on the investigation and characterization of three Frequency Modulated Continuous Wave (FMCW) low-power radars with different carrier frequencies of 24 GHz, 60 GHz and 120 GHz. The evaluation platforms were first tested on phantom models that emulated human bodies to accurately evaluate the baseline noise, error in range estimation, and error in displacement estimation. Additionally, the systems were also used to collect data from three human subjects to gauge the feasibility of identifying heartbeat peaks and breathing peaks with simple and lightweight algorithms that could potentially run in low-power embedded processors. The investigation revealed that the 24 GHz radar has the highest baseline noise level, 0.04mm at 0° angle of incidence, and an error in range estimation of 3.45 ± 1.88 cm at a distance of 60 cm. At the same distance, the 60 GHz and the 120 GHz radar system shows the least noise level, 0.0lmm at 0° angle of incidence, and error in range estimation 0.64 ± 0.01 cm and 0.04 ± 0.0 cm respectively. Additionally, tests on humans showed that all three radar systems were able to identify heart and breathing activity but the 120 GHz radar system outperformed the other two.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116927753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Acceleration Plethysmography for Ambulatory Vascular Monitoring: A Pilot Study 用于动态血管监测的加速容积描记术:一项初步研究

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171877

V. Girish, V. Raj Kiran, P. Nabeel, M. Sivaprakasam, J. Joseph

{"title":"Acceleration Plethysmography for Ambulatory Vascular Monitoring: A Pilot Study","authors":"V. Girish, V. Raj Kiran, P. Nabeel, M. Sivaprakasam, J. Joseph","doi":"10.1109/MeMeA57477.2023.10171877","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171877","url":null,"abstract":"As frequent monitoring of vascular ageing is gaining importance and the lack of a wearable sensing technology to track it through changes in vascular stiffness, we have developed a wearable accelerometric device. It could capture changes in vascular stiffness using our empirically derived markers from the amplitude features of acceleration plethysmogram (APG) at the carotid artery site. An in-vivo study on 12 subjects was conducted to (a) identify a few amplitude-based markers from the APG that exhibit significant change to physiologically induced hemodynamic perturbation; and (b) compare the magnitude of response of these APG-derived markers with that of carotid local stiffness metrics (β, Ep, and AC) measured using a clinically validated device, ARTSENS® Pen. The APG signals were reliable (SNR > 38 dB) and the amplitude features of APG were repeatable (CoV < 10 %). By examining all the APG-derived markers that showed statistically significant differences (p < 0.05) between pre and post-exercise measurements, it was found that the markers (ab)*(a-c) and (a*b) were having a high magnitude of response among others. The response (expressed as a percentage difference in mean values between pre and post-measurements) of the APG-derived markers, (a-b)*(a-c) and (a*b) were 42.41 % and 40.55 %, respectively, which were comparable to the response of carotid local stiffness metrics, β (32.34 %) and AC (41.83 %). The results suggest the potential of APG-derived markers, (a*b) and (a-b)*(a-c) for tracking stiffness changes, and the pilot study demonstrated the ability of the device to capture stiffness changes for ambulatory monitoring purposes.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123875811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of Local Venous Pulse Wave Velocity: A Pilot Feasibility Study 局部静脉脉搏波速度评估:一项试点可行性研究

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171902

Navya Rose George, V. R. Kiran, P. Nabeel, M. Sivaprakasam, J. Joseph

{"title":"Assessment of Local Venous Pulse Wave Velocity: A Pilot Feasibility Study","authors":"Navya Rose George, V. R. Kiran, P. Nabeel, M. Sivaprakasam, J. Joseph","doi":"10.1109/MeMeA57477.2023.10171902","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171902","url":null,"abstract":"Local pulse wave velocity (PWV) is a well-established marker for determining cardiac health. Despite numerous studies in the arterial domain indicating PWV as a metric for stiffness assessment, only a few studies are predicated on veins. In this work, we have investigated the feasibility of measuring local venous PWV (vPWV) using a dual-element A-mode ultrasound system. The device could acquire simultaneous jugular venous pulses (JVP) from two proximal sites along the internal jugular vein (JV) at a framerate of 500 Hz. The time delay between the measured JVP cycles was computed as the venous pulse transit time (vPTT). An in-vivo study was conducted on a cohort of 20 participants (10 male, 10 female) where the feasibility of local vPWV measurement was validated. The local vPWV was computed using the thresholding technique (vPWV|th), where the cursor was preset at a known pulse amplitude. This study is the first to our knowledge to measure local PWV from the JV, the vein closest to the heart. The measurement system could acquire JV echoes (SNR > 20dB) at a temporal resolution of 2 ms and an amplitude resolution of 10 μm. To evaluate the variability in vPWV|th, passive leg raise (PLR) intervention was conducted on a subset of the cohort. The study findings suggested that the PLR slightly increases vPWV|th. The vPWV|th during baseline and PLR were found to be 1.13 ± 0.30 m/s and 1.48 ± 0.42 m/s, respectively. The results demonstrated the feasibility of the proposed image-free ultrasound system in measuring reliable and repeatable local vPWV from the JV and investigating the variations in local vPWV resulting from physiological perturbations during PLR. Multicentric large-scale clinical studies are necessary for its clinical and field usability assessment and are in progress.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115353787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Monitoring the exposure to magnetic fields of MRI workers using goggles integrating magnetometers 使用集成磁力计的护目镜监测MRI工作人员的磁场暴露

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171916

D. Jeker, T. Quirin, J. Pascal

{"title":"Monitoring the exposure to magnetic fields of MRI workers using goggles integrating magnetometers","authors":"D. Jeker, T. Quirin, J. Pascal","doi":"10.1109/MeMeA57477.2023.10171916","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171916","url":null,"abstract":"This paper presents a measurement device to improve the investigations on physiological effects induced by strong magnetic fields. We have designed and prototyped a novel dosimeter and tested it on an MRI worker. The dosimeter consists of goggles integrating 3D magnetic sensors at several locations within their frame. MRI workers have prolonged and cumulative exposure to specific MRI related electromagnetic fields. MRI workers include cleaning personal, technicians, and therapists who execute tasks near the MRI tunnel. They can be exposed to a strong static magnetic field, up to 3T at the tunnel output. In cutting edge research facilities whole body MRI magnets can generate up to 11.7 T. This is higher than the 2T limit recommended by the ICNIRP guidelines. The challenge to collect specific magnetic field exposure data to better understand physiological effects is addressed by this study. Unlike existing pocket dosimeters, the proposed goggles provide a magnetic field map near the mostly impacted organs: the brain and the eyes. We carried out functional tests on an MRI worker performing typical movements around an MRL This unprecedently precise MRI dosimeter opens the way to new studies on MRI workers cohorts to better understand the physiological effects of magnetic fields.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129666184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design and validation of 3D printed hand interfaces for wrist stiffness assessment 用于腕部刚度评估的3D打印手界面设计与验证

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171924

G. Giovannetti, Silvia Buscaglione, A. Noccaro, D. Formica

{"title":"Design and validation of 3D printed hand interfaces for wrist stiffness assessment","authors":"G. Giovannetti, Silvia Buscaglione, A. Noccaro, D. Formica","doi":"10.1109/MeMeA57477.2023.10171924","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171924","url":null,"abstract":"Estimating the joint impedance in humans is crucial for better understanding human motor control and assessing neuromuscular diseases. The static passive component of the impedance, i.e. passive stiffness, is particularly relevant for the evaluation of neurological disorders, such as Parkinson’s Disease. In this paper we focus on the estimation of passive wrist stiffness, which is commonly done by moving the subject’s wrist through hand interfaces- manually or with robotic devices. However, handles employed so far often use not ergonomic designs or may request subjects to grasp the handle, causing muscle contraction which, in turn, affects wrist stiffness. We designed, 3D-printed and evaluated three different designs for ergonomic hand interfaces (H1, H2, H3) to passively move the hand while avoiding grasping or undesired muscle contraction. Performing features were evaluated on four healthy volunteers, during passive wrist manipulation performed by three different experimenters, in terms of: i) relative motion between actual hand movements and movements imposed by the experimenters; ii) activation of wrist muscles in the forearm; iii) subjects’ perceived comfort. All three devices showed good performance in terms of comfort, minimization of muscular activity and relative motion, which on average was around 0.010 m for the relative translations and $8.5 deg$ for the relative rotations. However, H2 and H3 showed slightly higher performance compared to H1 in terms of lower relative motion, while H2 was also rated as the most comfortable.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128867367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Image Quality Assessment of Large Tissue Samples Stained using a Customized Automated Slide Stainer 使用定制的自动滑动染色机染色的大组织样本的图像质量评估

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171900

Prabhakar Sithambaram, Ramdayalan Kumarasami, M. Sivaprakasam, J. Joseph

{"title":"Image Quality Assessment of Large Tissue Samples Stained using a Customized Automated Slide Stainer","authors":"Prabhakar Sithambaram, Ramdayalan Kumarasami, M. Sivaprakasam, J. Joseph","doi":"10.1109/MeMeA57477.2023.10171900","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171900","url":null,"abstract":"Whole slide imaging (WSI) creates high-resolution digital images of entire tissue samples, enabling accurate and reliable analysis. Consistency in staining is essential for producing high-quality WSI slides. An automated slide stainer is critical in ensuring precise and uniform staining, especially for larger tissue sections where manual staining can be challenging. However, no large format stainers are currently available on the market. A custom-designed automated slide stainer for large tissue sections was developed to address these issues, having the capability to handle various glass slides from the standard 1” $times$ 3” glass slides to the customized 2” $times$ 3”, 5” $times$ 7” and 6” $times$ 8” glass slides. The performance of the custom-designed large format automated slide stainer was compared to the Sakura Tissue-Tek Prisma machine and the manual staining method. The image quality of the whole slide images was evaluated using parameters like the signal-to-noise ratio and the consistency of the image histograms. The automated stainer showed a low intra-slide variation of stain intensity, with a lower standard deviation (SD) of 13.005 ± 1.515 compared to the manual method’s SD of 17.315 ± 3.31. In addition, the automated slide staining showed a lower SD (Nissl = 1.795, Hematoxylin and Eosin (H&E) = 2.56) in Signal-to-Noise Ratio (SNR) values compared to manual staining (Nissl = 6.282, H&E = 5.31), indicating excellent staining uniformity. Overall, the automated slide stainer had consistent staining across slides, with a low pairwise distance of 0.0070 ± 0.0017 (Nissl) and 0.0060 ± 0.0003 (H&E). Based on the image evaluation, the custom-designed large-format automated slide stainer was shown to be a reliable, repeatable, and consistent method for staining large tissue samples of sizes up to 150 $times$ 200 mm.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128338872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Measurement System for Operator 5.0: a Learning Fatigue Recognition based on sEMG Signals 操作员5.0测量系统:基于表面肌电信号的学习疲劳识别

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171933

L. De Vito, Enrico Picariello, F. Picariello, IOAN TUDOSA, A. Sbaragli, G. P. R. Papini, F. Pilati

引用次数: 0

Conductive ink vs force sensing resistors in plantar pressure soles: WalkinSense®, MyCareShoe® and DIAPODAL 导电油墨与足底压力鞋底的力感应电阻:WalkinSense®，MyCareShoe®和DIAPODAL

2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Pub Date : 2023-06-14 DOI: 10.1109/MeMeA57477.2023.10171948

Isabel Morales, Pedro Martins, Carolina Silva, Arcelina Marques, J. Mendes, F. Simini

{"title":"Conductive ink vs force sensing resistors in plantar pressure soles: WalkinSense®, MyCareShoe® and DIAPODAL","authors":"Isabel Morales, Pedro Martins, Carolina Silva, Arcelina Marques, J. Mendes, F. Simini","doi":"10.1109/MeMeA57477.2023.10171948","DOIUrl":"https://doi.org/10.1109/MeMeA57477.2023.10171948","url":null,"abstract":"We compare plantar pressure data obtained by MyCareShoe® (nine sensors), which uses a proprietary variable resistance conductive ink with DIAPODAL (eight sensors), which utilizes standard force sensing resistors. Both systems are then compared to WalkinSense®, a well established pressure system that uses eight force sensing piezoresistors. Our objective is to validate the pressure measurements of DIAPODAL. The assessment protocol consisted of different combinations of the three sensing systems (Test 1 to Test 5). We repeated six times of eight steps each, taken by a healthy volunteer. We analized the signals of the eight common locations of the three systems. We detected plantar pressure peaks and calculated the pressure time integral. The pressure for DIAPODAL ranged from 43 to 477 kPa, and the pressure time integral from 75 to 375 kPas over the tests. The equivalence of MyCareShoe® and DIAPODAL uuth WalkinSense®, taken as the standard for peak plantar pressure measurements was found to be 34% for MyCareShoe® and 69% for DIAPODAL. Considering pressure time integral, the equivalence was 92% to DIAPODAL and 68% to MyCareShoe® which confirm consistency. Recording of simultaneous plantar soles WalkinSense®/MyCareShoe® and WalkinSense®/DIAPODAL was consistent for repeatability and linearity (Pearson correlation coefficient, >0.85 in 80% of the eight-stride series). These findings confirm equivalence between force sensing resistors and conductive ink for pressure measurements. A reliable pressure distribution pattern at 100 Hz can therefore be used as basic information to design a multi variable approach to detect foot conditions by means of real time step detection.","PeriodicalId":191927,"journal":{"name":"2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125659541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0