A Novel DBS Lead Compatible with Intraoperative 3.0T MRI

Mo, Xiaolong ;   Jiang, Changqing ;   Ding, Jianqi ;   Zhang, Feng ;   Li, Luming

Tags Neural stimulation (incl deep brain stimulation)MRI-compatible instrumentation and device managementDesign and development

A novel design of deep brain stimulation (DBS) lead is presented in this paper. By adding a braiding mesh made of ?0.05mm nitinol fine wires to...

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An Integrated System to Improve Robustness of Non-Invasive Blood Pressure Estimation with Motion Artifacts

Abderahman, Huthaifa ;   Dajani, Hilmi ;   Bolic, Miodrag ;   Groza, Voicu

Tags Physiological monitoring devicesCardiovascular assessment and diagnostic technologies

In this work, a new stage is integrated into a non-invasive blood pressure (BP) monitor in order to suppress the effect of motion artifacts....

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Ballistocardiogram as a Proximal Timing Reference for Pulse Transit Time: Potential for Cuffless Blood Pressure Monitoring

Kim, Chang-Sei ;   Carek, Andrew ;   Mukkamala, Ramakrishna ;   Inan, Omer ;   Hahn, Jin-Oh

Tags Physiological monitoring devicesCardiovascular assessment and diagnostic technologies

In this study, we tested a novel hypothesis that the ballistocardiogram (BCG) signal (a measurement of the reaction forces of the body to...

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Clinical Application of Needle Guiding Manipulator for MRI-Guided Transperineal Prostate Biopsy

Junichi, Tokuda ;   Tuncali, Kemal ;   Shang, Weijian ;   Patel, Niravkumar ;   Li, Gang ;   Heffter, Tamas ;   Fischer, Gregory ;   Iordachita, Iulian ;   Burdette, Everette ;   Hata, Nobuhiko ;   Tempany, Clare Mary

Tags MRI-compatible instrumentation and device managementBiopsyClinical testing/clinical trials

We evaluated a 4-degree-of-freedom (DOF) MRI- compatible needle guiding manipulator for MRI-guided prostate biopsy in five patients. Our...

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Comparative Study of Influence of Two Rotary Blood Pumps on the Cardiovascular System

Petukhov, Dmitry ;   Telyshev, Dmitry

Tags LVADHeart and circulatory support devicesSimulation, learning and training

This work simulates an influence of two rotary blood pumps (HeartMate II and Sputnik) on the cardiovascular system. It was found that...

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Deriving a New Risk Score to Predict Adverse Cardiac Events in Chest Pain Patients Presenting to the Emergency Department

Liu, Nan ;   Heldeweg, Micah ;   Lye, Weng Kit ;   Koh, Zhi Xiong ;   Ong, Marcus Eng Hock

Tags Cardiovascular assessment and diagnostic technologiesDesign and developmentInnovation

We present a novel risk score incorporating heart rate variability, vital signs, and 12-lead electrocardiograph (ECG) variables for patients...

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Design Concept of Patient-Adaptive Control Method for a Ventricular Assist Device

Petukhov, Dmitry ;   Telyshev, Dmitry

Tags LVADCardiovascular assessment and diagnostic technologiesDesign and development

This work describes the design concept of control method for a ventricular assist device (VAD) based on the mathematical model of a rotary...

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Development of a Needle Injector using Pneumatic Energy

Kwon, Min Kyung ;   Jang, Jihye ;   Hong, Hyuckki ;   Lee, JiHae ;   Choi, Jin Kyu ;   Bae, Joonho

Tags Transdermal drug deliveryInfusion pumps

An air-powered needle injector was designed to control injection volume without any loss of solution. In this study, we investigated its action...

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Development of a Pediatric Ventricular Assist Device: Design Considerations and Experimental Results

Cestari, Idágene A. ;   Oyama, Helena T.T. ;   Bacht, Simão ;   Mazzetto, Marcelo ;   Riso, Arlindo ;   Jatene, Marcelo B. ;   Cestari, Ismar Newton

Tags LVADDesign and developmentHeart and circulatory support devices

The development of medical devices specific for pediatric patients is expected to improve the care and survival of this patient population. We...

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Development of a Sonic Vibration Massage System to Prevent Low Back Pain Caused by Driving Postures

Youn, Jongin ;   Jang, IkJAE ;   Han, Hong Ju ;   Kim, Nam Jeong ;   Kim, Jihyun ;   Shin, Chang Yeol

Tags Physiological monitoring devicesBiofeedback and related technologiesTherapeutic ultrasound

In this study, we developed a sonic vibration massage system with body pressure distribution feedback device in the car seats to prevent low...

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Development of Wearable System for Diagnosis and Treatment of Benign Paroxysmal Positional Vertigo

Kwon, Chiheon ;   Ku, Yunseo ;   Ahn, Joong Woo ;   Suh, Myung-Whan ;   Kim, Hee Chan

Tags Design and developmentBiofeedback and related technologiesClinical engineering

a system has been proposed for diagnosis and treatment of Benign Paroxysmal Positional Vertigo (BPPV). The system for BPPV diagnosis could...

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Electromagnetic and Thermal Distribution in a Three-Layer Head Model, with a Metal Partial Helmet

Carlone, Giuseppina ;   Losito, Onofrio ;   Dimiccoli, Vincenzo ;   Amoroso, Marisa ;   Bozzetti, Michele

Tags Simulation, learning and trainingDesign and developmentDesign controls

We have analyzed in this paper the electromagnetic wave absorption in a multi - layer spherical loss dielectric head model, partially covered...

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Epileptic Seizure Prediction based on Multivariate Statistical Process Control of Heart Rate Variability

Miyajima, Miho ;   Fujiwara, Koichi ;   Abe, Erika ;   Suzuki, Yoko ;   Sawada, Yuriko ;   Yamakawa, Toshitaka ;   Kano, Manabu ;   Maehara, Taketoshi ;   Ohta, Katsuya ;   Sasai-Sakuma, Taeko ;   Sasano, Tetsuo ;   Matsuura, Masato ;   Matsushima, Eisuke

Tags Device alarm, alert, and communication systemsWireless telemetric systemsPhysiological monitoring devices

The present work proposes a new epileptic seizure prediction method through integrating heart rate variability (HRV) analysis and an anomaly...

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Fabrication of Oriented Hydroxyapatite Film by RF Magnetron Sputtering

Hirata, Keishiro ;   Takayanagi, Shinji ;   Matsukawa, Mami

Tags Prosthetic limbs, devices, and related appliances and aides

Growth of a c-axis oriented Hydroxyapatite (HAp) film on a silica glass substrate was experimentally demonstrated. The titan alloy coated with...

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Fracture Risk Estimation on Trabecular Bone DXA Images using Directional Fractal Dimension

Yoo, Byeongwook ;   Park, Sungwoo ;   Hong, Inji ;   Kim, Jung Hee ;   Hong, A Ram ;   Shin, Chan Soo ;   Kim, Sungwan ;   Kim, Hee Chan

Tags Clinical engineeringSimulation, learning and trainingVerification and validation

Fractal analysis has not been successful in reflecting anisotropic bone structure to predict fracture risk. We analyzed directional fractal...

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Heart Rate Variability and Machine Learning Model in Predicting Lifesaving Interventions in Critically Ill Patients

Yuda, Soh ;   Liu, Nan ;   Jayne, Chiang ;   Koh, Zhi Xiong ;   Stephanie, Fook-Chong ;   Wong, Ting Hway ;   Singaram, Kanageswari ;   Ho, Andrew Fu Wah ;   Ong, Marcus Eng Hock

Tags InnovationClinical engineeringDesign and development

Patients presented to the emergency department (ED) have different levels of risks and, early detection of them will help determine suitable...

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Hypothermia for Preventing Chemotherapy-Induced Peripheral Neuropathy – A Safety and Tolerability Study

Bandla, Aishwarya ;   Sundar, Raghav ;   Tan, Stacey, Sze Hui ;   Thakor, Nitish ;   Wilder-Smith, Einar P V ;   Liao, Lun-De

Tags Clinical engineeringClinical trialsSafety

Chemotherapy-induced peripheral neuropathy (CIPN) is a severe dose-limiting side-effect in patients treated with paclitaxel, but no effective...

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Intense Therapy Ultrasound (ITU) for the Treatment of Chronic Plantar Fasciitis: Preliminary Results of Clinical Study

Slayton, Michael ;   Amodei, Richard ;   McNelly, Ashley ;   Latt, Daniel

Tags Therapeutic ultrasoundClinical trialsClinical testing/clinical trials

Intense therapeutic ultrasound (ITU) uses high- frequency high-intensity focused ultrasound to create small thermal injury zones...

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Intercomparison between MRI and Stereovision/PIV Measurements for Diagnosis of Aorta Pathologies

Wang, Yufei ;   Joannic, David ;   Lalande, Alain ;   Juillion, Patrick ;   Fontaine, Jean Francois

Tags Cardiovascular assessment and diagnostic technologiesMRI-compatible instrumentation and device management

The objective of the study is to validate the ability of magnetic resonance imaging (MRI) to perform measurements of deformations and...

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Modelling and Controlling Blood Flow by Active Cooling of the Fingers to Prevent Nail Toxicity

Youssef, Ali ;   D'Haene, Maarten ;   De Bruyne, Guido ;   Aerts, Jean-Marie

Tags Health technology management and assessmentBiofeedback and related technologiesPersonalized therapeutic devices and emergency response systems

Chemotherapy-induced nail toxicity is a widely spread phenomenon. Cooling the hands and feet of the patients reduces the blood flow and...

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Motor Complication based on the Amount of Movement after Tourniquet Avascularization

Maeda, Hiroyuki ;   Iwase, Hideaki ;   Kaneko, Kazuo ;   Maeda, Mutsuhiro ;   Kakinuma, Yuki ;   Takei, Yusuke ;   Mitsui, Kazuyuki

Tags Clinical engineeringClinical testing/clinical trials

Temporary blockage of blood flow by pressing using a tourniquet is frequently applied to stop hemorrhaging and secure a surgical field in...

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Online Detection of Thrombosis in Blood by Capacitance Measurement

Sapkota, Achyut ;   Dung Nguyen, Huu ;   Maruyama, Osamu ;   Takei, Masahiro

Tags Clinical engineeringCardiovascular assessment and diagnostic technologiesHeart and circulatory support devices

The change in the electrical properties of the blood during thrombus formation is studied. Linear relationship was observed between...

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Optical Measurement of Blood Flow in the Extremely Low Birthweight Neonate

Busch, David ;   Kovatis, Kelley Z. ;   Winters, Madeline E. ;   Newland, John J. ;   Ko, Tiffany ;   Flibotte, John J. ;   Kirplani, Haresh ;   Licht, Daniel J.

Tags FNIR and near-infrared scanning and assessmentCardiovascular assessment and diagnostic technologies

Extremely low birth weight neonates (<1000g at birth) are vulnerable to hypo- and hyper-oxygenation. We demonstrate the use of a combined...

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Performance Evaluation of the Extra Corporeal Enteral Prosthesis (EPEC) vs. a By-Pass on a Test Bench

Nzamushe, Jean-Robert ;   Sozanski, Jean Pierre ;   De Jonckheere, Julien ;   Jeanne, Mathieu ;   Logier, Regis

Tags InnovationProsthetic limbs, devices, and related appliances and aides

In this paper, we describe a smart intestinal prosthesis equipped with a pump working as an intestinal segment and creating a bypass between...

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Photodynamic Therapy of Balloon-Injured Rat Carotid Arteries using Indocyanine Green

Li, Wen-Tyng

Tags AblationStentsCardiovascular assessment and diagnostic technologies

Photodynamic therapy (PDT) has been applied in the treatment of artery restenosis following balloon injury (BI). This study aimed to evaluate...

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Possibility Evaluation of Automatic Tracking for Medical Devices and Patients using UHF Band Passive RFID Tag in Hospital

Hosaka, Ryosuke

Tags SafetyDesign and developmentVerification and validation

Location management of individuals is important in hospital. The individuals are including medical devices, patients and medical staffs. However,...

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Power and Frequency Limits for Safety Operation of Scanning Laser Ophthalmoscopes

Pereira dos Santos, Fábio Rodrigo ;   de Araujo, Renato Evangelista

Tags Safety

This paper discusses about the power and frequency limits in Scanning Laser Ophthalmoscope (SLO) operation. We demonstrated that commercial...

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Quantitative Wall Plank-and-Roll for Lumbar Stability Analysis

Lee, Joonnyong ;   Yoon, Chiyul ;   Chung, Sun ;   Kim, Hee Chan

Tags Design and developmentPhysiological monitoring devicesClinical engineering

Lumbar stability has been difficult to assess in a practical and reliable manner. Here we present an inertial sensor based system to measure...

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Raman Spectroscopy of RF Strengthened Thrombus

Chon, Chi Hang ;   Qin, Zhen ;   Lam, Alexander K.N. ;   Kwok, John C.K. ;   Yuen, Matthew M.F. ;   Lam, David C.C.

Tags Product development processInnovationDesign and development

Mechanical thrombectomy is effective in unblocking occluded vessels in ischemic stroke, but thrombus fragmentation and distal embolization are...

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Real-Time Head-Up Display System for Image-Guided Surgery

Yoon, Jang W ;   Han, Phillip ;   Si, Phong ;   Pirris, Stephen ;   Chen, Robert

Tags Product development processDesign and developmentClinical testing/clinical trials

During current image-guided surgical procedures, the surgeon needs to shift visual focus back and forth between the patient and a display...

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Regional Muscle Displacement during Isometric Contraction using B-Mode Ultrasound

Armentano, Margaret ;   Loram, Ian David ;   Gollee, Henrik

Tags Muscle stimulationRehabilitation - MusculoskeletalFunctional image analysis

The quantification of muscle displacement during dynamic movement tasks can give insights into the muscle activation and therefore elucidate...

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Respiratory Motion Prediction in 3-D using an Extended Kalman Filter and Gaussian Process Regression Network

Bukhari, Waqas ;   Hong, Sun-Mog

Tags RF and microwave ablationMRI-compatible instrumentation and device management

A real-time algorithm for predicting respiratory motion in 3-D space is proposed. The proposed algorithm, named EKF-GPRN, utilizes an extended...

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Self-Training Influence in Peripheral Neuropathy Diagnosis

D'Angelo, Maria Laura ;   Liberini, Paolo ;   Cannella, Ferdinando

Tags Clinical trialsSimulation, learning and trainingHuman factors

In this paper, the authors present their design of experiments to evaluate and investigate the influence of patients self-training on...

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Simulation and Validation of an Irrigated Cardiac Ablation Catheter

Rossmann, Christian ;   Panescu, Dorin ;   Haemmerich, Dieter

Tags AblationRF and microwave ablation

Cardiac radiofrequency (RF) catheter ablation is a commonly employed arrhythmia therapy. The catheter is steered to the target location, and...

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Simulator to Evaluate a Regional Cooling Patch before Needle Insertion for Hemodialysis

Naemura, Kiyoshi

Tags Simulation, learning and trainingDesign and developmentProduct development process

In order to reduce pain in needle insertion for hemodialysis, the author tried to develop a regional cooling patch employing an endothermic...

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Smartphone Measurement of Peripheral Blood Flow

McDuff, Daniel Jonathan ;   Smith, Ann DeBord ;   Vosburgh, Kirby ;   Nguyen, Louis

Tags Cardiovascular assessment and diagnostic technologiesPlethysmographyWellness monitoring technologies

Photoplethysmography is a non-invasive method of measuring the blood volume pulse and can be captured using a low-cost camera and ambient...

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SonoCAIT: Sonication Capsule for Autonomous Imaging and Therapy, a Proof of Concept Device

Verbeni, Antonella ;   Stewart, Fraser ;   Qiu, Yongqiang ;   Cox, Benjamin ;   Vorstius, Jan ;   Cochran, Sandy

Tags Design and developmentTherapeutic ultrasound

An exploratory prototype for a therapeutic capsule to perform ultrasound-mediated targeted drug delivery in the gastrointestinal tract has...

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Study on the Preparation of a Method to Evaluate Safety Performance of Medical Laser Blood Flowmeter

Kim, San ;   Hwang, Yoonsu ;   Park, Sang-Geon ;   Han, Jae-phil ;   Kim, Mi Seon ;   Lee, Chang-hyung ;   Kim, Hyeogju ;   Seo, Kyungwon

Tags Cardiovascular assessment and diagnostic technologiesSafetyVerification and validation

As a number of patients with chronic diseases such as hypertension, diabetes, etc., increases, the market of medical blood flowmeter tends to...

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Suitability of Forehead EEG Electrode Set for Scoring of Sleep Stages

Myllymaa, Sami Aulis ;   Muraja-Murro, Anu ;   Westeren-Punnonen, Susanna ;   Hukkanen, Taina ;   Kupari, Salla ;   Mervaala, Esa ;   Töyräs, Juha ;   Sipilä, Kirsi ;   Lappalainen, Reijo ;   Myllymaa, Katja Maria

Tags Physiological monitoring devicesClinical testing/clinical trialsDesign and development

There is a need for novel EEG electrode solutions simple enough to enable self-administered polysomnography (PSG) studies at home. The...

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Supporting Device for Cardiopulmonary Resuscitation and Method for the Assistance of an Operator during Pulmonary Resuscitation

Gardenghi, Roberto ;   Sofia, Andrea ;   Moroso, Danilo ;   Musiari, Michele ;   Stefanini, Igor

Tags Personalized therapeutic devices and emergency response systemsHeart and circulatory support devicesDesign and development

The paper presents a new pocket-sized device to support the cardiopulmonary resuscitation (CPR) and related method for the assistance of...

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Testing IQM: A System for Real-Time Monitoring of Complex Radiotherapy Treatments

Talamonti, Cinzia ;   Marrazzo, Livia ;   Calusi, Silva ;   Arilli, Chiara ;   Casati, Marta ;   Compagnucci, Antonella ;   Bonomo, Pierluigi ;   Livi, Lorenzo ;   Pallotta, Stefania

Tags Clinical testing/clinical trialsInnovationSimulation, learning and training

Purpose: To test Integral Quality Monitoring (IQM) device (iRT Systems GmbH, Koblenz, Germany): a system for online monitoring of Intensity...

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Thresholds of Inertial Cavitation Induced by High Frequency High Intensity Ultrasound: Feasibility of Medical Applications in Soft Tissue

Slayton, Michael ;   Jaeger, Paul

Tags Therapeutic ultrasoundTransdermal drug deliveryInnovation

We investigated probability and persistence of inertial cavitation in several media: distilled water, water-based gel, ex-vivo porcine tissue,...

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