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Journal Articles

Enhancing Gait Recognition in Lower Limb Exoskeletons: Adaptive Feature Selection and Random Forest With Bayesian Optimization

Haibo Lin, Xudong Guo, Fengqi Zhong, Haipo Cui, Zhan Zhao, Haonan Geng, Guojie Zhang
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2025, 19(1): 011006.
Paper No: MED-24-1097
https://doi.org/10.1115/1.4066923
Published Online: November 22, 2024
View Article titled, Enhancing Gait Recognition in Lower Limb Exoskeletons: Adaptive Feature Selection and Random Forest With Bayesian Optimization
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Topics: Algorithms, Exoskeleton devices, Feature selection, Optimization, Particle swarm optimization, Signals
Journal Articles

Design and Implementation of a Computer-Controlled Hybrid Oscillatory Ventilator

Andrea F. Cruz, Jacob Herrmann, Bakir Hajdarevic, Monica L. Hawley, Donald Fox, Jason H. T. Bates, David W. Kaczka
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2025, 19(1): 011001.
Paper No: MED-24-1049
https://doi.org/10.1115/1.4066679
Published Online: October 22, 2024
View Article titled, Design and Implementation of a Computer-Controlled Hybrid Oscillatory Ventilator
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Topics: Flow (Dynamics), Lung, Pressure, Ventilation, Design, Tides, Wounds, Signals
Journal Articles

Variation of Seismocardiogram-Derived Cardiac Time Intervals and Heart Rate Variability Metrics Across the Sternum

Aysha Mann, Mohammad Muntasir Rahman, Vineeth Vanga, Peshala Thibbotuwawa Gamage, Amirtahà Taebi
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. December 2024, 18(4): 044502.
Paper No: MED-24-1074
https://doi.org/10.1115/1.4066368
Published Online: September 19, 2024
View Article titled, Variation of Seismocardiogram-Derived Cardiac Time Intervals and Heart Rate Variability Metrics Across the Sternum
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Topics: Algorithms, Sensors, Signals, Valves, Accelerometers, Sensor placement
Includes: Supplementary data
Journal Articles

Modeling and Admittance Control of a Piezoactuated Needle Insertion Device for Safe Puncture of Spinal Membranes

Yuzhou Duan, Jie Ling, Yuchuan Zhu
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. September 2024, 18(3): 034501.
Paper No: MED-24-1037
https://doi.org/10.1115/1.4066045
Published Online: August 1, 2024
View Article titled, Modeling and Admittance Control of a Piezoactuated Needle Insertion Device for Safe Puncture of Spinal Membranes
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Topics: Control equipment, Friction, Mechanical admittance, Membranes, Modeling, Needles, Safety, Stick-slip, Errors, Robotics
Journal Articles

PBVI for Optimal Photoplethysmography Noise Filter Selection Using Human Activity Recognition Observations for Improved Heart Rate Estimation on Multi-Sensor Systems

Jacob J. Sindorf, Sangram Redkar
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2024, 18(1): 011005.
Paper No: MED-23-1054
https://doi.org/10.1115/1.4065219
Published Online: April 15, 2024
View Article titled, PBVI for Optimal Photoplethysmography Noise Filter Selection Using Human Activity Recognition Observations for Improved Heart Rate Estimation on Multi-Sensor Systems
Open the PDF for PBVI for Optimal Photoplethysmography Noise Filter Selection Using Human Activity Recognition Observations for Improved Heart Rate Estimation on Multi-Sensor Systems in another window
Topics: Filters, Sensors, Accelerometers, Signals
Journal Articles

Research on Movement Intentions of Human's Left and Right Legs Based on Electro-Encephalogram Signals

Fangyan Dong, Liangda Wu, Yongfei Feng, Dongtai Liang
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. December 2022, 16(4): 041012.
Paper No: MED-21-1201
https://doi.org/10.1115/1.4055435
Published Online: September 19, 2022
View Article titled, Research on Movement Intentions of Human's Left and Right Legs Based on Electro-Encephalogram Signals
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Topics: Electroencephalography, Motors, Signals, Engines, Design, Robots
Journal Articles

Fully Closed Loop Test Environment for Adaptive Implantable Neural Stimulators Using Computational Models

Scott Stanslaski, Hafsa Farooqi, David Escobar Sanabria, Theoden Ivan Netoff
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. September 2022, 16(3): 034501.
Paper No: MED-21-1168
https://doi.org/10.1115/1.4054083
Published Online: April 11, 2022
View Article titled, Fully Closed Loop Test Environment for Adaptive Implantable Neural Stimulators Using Computational Models
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Topics: Algorithms, Brain, Computer simulation, Diseases, Dynamics (Mechanics), Hardware, Oscillations, Signals, Testing, Noise (Sound)
Journal Articles

In Vitro Evaluation of a Nasal Interface Used to Improve Delivery From a Portable Oxygen Concentrator

Cole D. Christianson, Kineshta Pillay, John Z. Chen, Warren H. Finlay, Andrew R. Martin
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2022, 16(1): 011101.
Paper No: MED-21-1046
https://doi.org/10.1115/1.4053115
Published Online: February 3, 2022
View Article titled, In Vitro Evaluation of a Nasal Interface Used to Improve Delivery From a Portable Oxygen Concentrator
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Topics: Flow (Dynamics), Oxygen, Pressure, Signals, Sleep
Journal Articles

VEMERS UC: A Clinically Validated Emergency Mechanical Ventilator for COVID-19 and Postpandemic Use in Low Resource Communities

Luciano E. Chiang, Felipe A. Castro
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2021, 15(3): 031008.
Paper No: MED-20-1151
https://doi.org/10.1115/1.4051246
Published Online: June 25, 2021
View Article titled, VEMERS UC: A Clinically Validated Emergency Mechanical Ventilator for COVID-19 and Postpandemic Use in Low Resource Communities
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Topics: Biomedicine, Calibration, Circuits, Emergencies, Flow (Dynamics), Oxygen, Pandemics, Pressure, Reliability, Safety
Journal Articles

High-Frequency Ultrasonic Forceps for the In Vivo Detection of Cancer During Breast-Conserving Surgery

Timothy E. Doyle, Audrey P. Butler, Michael J. Salisbury, Michael J. Bennett, Garrett M. Wagner, Huda A. Al-Ghaib, Cindy B. Matsen
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2020, 14(3): 031004.
Paper No: MED-19-1177
https://doi.org/10.1115/1.4047115
Published Online: May 20, 2020
View Article titled, High-Frequency Ultrasonic Forceps for the In Vivo Detection of Cancer During Breast-Conserving Surgery
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Topics: Biological tissues, Cancer, Phantoms, Surgery, Transducers, Signals, Design, Ultrasonic transducers
Journal Articles

Synchronization of a Soft Robotic Ventricular Assist Device to the Native Cardiac Rhythm Using an Epicardial Electrogram

Daniel Bautista-Salinas, Peter E. Hammer, Christopher J. Payne, Isaac Wamala, Mossab Saeed, Thomas Thalhofer, Pedro J. del Nido, Conor J. Walsh, Nikolay V. Vasilyev
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2020, 14(3): 031003.
Paper No: MED-19-1147
https://doi.org/10.1115/1.4047114
Published Online: May 20, 2020
View Article titled, Synchronization of a Soft Robotic Ventricular Assist Device to the Native Cardiac Rhythm Using an Epicardial Electrogram
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Topics: Pressure, Robotics, Signals, Synchronization, Ventricular assist devices, Flow (Dynamics)
Journal Articles

A Novel, Contactless, Portable “Spot-Check” Device Accurately Measures Respiratory Rate

William Daw, Ruth N. Kingshott, Reza Saatchi, Derek Burke, Robert Evans, Alan Holloway, Jon Travis, Anthony Jones, Ben Hughes, Heather E. Elphick
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2020, 14(3): 031002.
Paper No: MED-19-1154
https://doi.org/10.1115/1.4046923
Published Online: May 14, 2020
View Article titled, A Novel, Contactless, Portable “Spot-Check” Device Accurately Measures Respiratory Rate
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Topics: Signals, Temperature, Testing, Blood, Pressure, Statistical analysis, Data collection, Experimental design, Oxygen
Journal Articles

Internet-of-Things-Enabled Dual-Channel Iontophoretic Drug Delivery System for Elderly Patient Medication Management

Mynampati Akshitha Reddy, Bikash Kumar Pradhan, Dilshad Qureshi, Sumit Kumar Pal, Kunal Pal
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2020, 14(1): 011104.
Paper No: MED-19-1121
https://doi.org/10.1115/1.4045933
Published Online: January 31, 2020
View Article titled, Internet-of-Things-Enabled Dual-Channel Iontophoretic Drug Delivery System for Elderly Patient Medication Management
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Topics: Design, Drug delivery systems, Drugs, Generators, Signals, Circuits, Monitoring systems, Testing
Includes: Supplementary data
Journal Articles

A New, Noninvasive Accelerometric Method for Diagnosing Acid andNon-Acid Gastroesophageal Reflux in Premature Infants: Proof of Concept

Ira H. Gewolb, Frank L. Vice
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. December 2019, 13(4): 044505.
Paper No: MED-19-1085
https://doi.org/10.1115/1.4044902
Published Online: November 1, 2019
View Article titled, A New, Noninvasive Accelerometric Method for Diagnosing Acid andNon-Acid Gastroesophageal Reflux in Premature Infants: Proof of Concept
Open the PDF for A New, Noninvasive Accelerometric Method for Diagnosing Acid andNon-Acid Gastroesophageal Reflux in Premature Infants: Proof of Concept in another window
Topics: Accelerometers, Probes, Signals, Ultrasound, X-rays, Testing, Drugs, Biomedicine, Acoustics, Fast Fourier transforms
Includes: Supplementary data
Journal Articles

Pulse Oximeter for Low SpO 2 Level Detection Using Discrete Time Signal Processing Algorithm

Sumit Pandey, Cher Ming Tan, Hsiao-Wen Chen, Yao En Xie, Jung Hua Tung, Yu-Chuan Kau, Chia-Chih Liao
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. June 2019, 13(2): 021011.
Paper No: MED-18-1137
https://doi.org/10.1115/1.4043588
Published Online: May 2, 2019
View Article titled, Pulse Oximeter for Low SpO 2 Level Detection Using Discrete Time Signal Processing Algorithm
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Topics: Algorithms, Blood, Noise (Sound), Oxygen, Signal processing, Signals, Hardware, Errors, Design, Probes
Journal Articles

Advances in Diagnostic Methods for Zika Virus Infection

Carlos A. Herrada, Md. Alamgir Kabir, Rommel Altamirano, Waseem Asghar
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Review Articles
J. Med. Devices. December 2018, 12(4): 040802.
Paper No: MED-18-1054
https://doi.org/10.1115/1.4041086
Published Online: November 5, 2018
View Article titled, Advances in Diagnostic Methods for Zika Virus Infection
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Topics: Biosensors, Blood, Chain, Diseases, Microfluidics, Modal assurance criterion, RNA, Surface plasmon resonance, Testing, Proteins
Journal Articles

Design and Validation of a Heart Rate and Speed Monitoring Device With Intelligently Controlled Assistive Rehabilitation Elliptical

Chase M. Pfeifer, Douglas A. Rowen, Thad W. Buster, Guilherme M. Cesar, Sonya L. Irons, Judith M. Burnfield
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Design Innovation Paper
J. Med. Devices. March 2019, 13(1): 015002.
Paper No: MED-17-1348
https://doi.org/10.1115/1.4041337
Published Online: November 5, 2018
View Article titled, Design and Validation of a Heart Rate and Speed Monitoring Device With Intelligently Controlled Assistive Rehabilitation Elliptical
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Topics: Design, Engineering prototypes, Cardiovascular system, Data collection, Signals
Journal Articles

A Practical Measurement of Parkinson's Patients Gait Using Simple Walker-Based Motion Sensing and Data Analysis

Vered Aharonson, Ilana Schlesinger, Andre M. McDonald, Steven Dubowsky, Amos D. Korczyn
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2018, 12(1): 011012.
Paper No: MED-17-1053
https://doi.org/10.1115/1.4038810
Published Online: February 12, 2018
View Article titled, A Practical Measurement of Parkinson's Patients Gait Using Simple Walker-Based Motion Sensing and Data Analysis
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Topics: Accelerometers, Algorithms, Feature selection, Machine learning, Mechanical admittance, Sensors, Signal processing, Signals, Diseases, Testing
Journal Articles

Design and Functional Testing of a Novel Blood Pulse Wave Velocity Sensor

Marit H. N. van Velzen, Arjo J. Loeve, Egbert G. Mik, Sjoerd P. Niehof
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. March 2018, 12(1): 011006.
Paper No: MED-17-1267
https://doi.org/10.1115/1.4038308
Published Online: November 22, 2017
View Article titled, Design and Functional Testing of a Novel Blood Pulse Wave Velocity Sensor
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Topics: Blood, Design, Lasers, Photodiodes, Sensors, Testing, Waves, Mirrors, Flow (Dynamics), Pressure
Journal Articles

Continuous, Real-Time, Noninvasive Hemodynamic Cardiac Doppler Monitoring With a Novel Hands-Free Device: A Feasibility Study Compared to Standard Echo

Gilead I. Lancaster, Ilan Hay, Michael Eldar
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research-Article
J. Med. Devices. September 2017, 11(3): 031001.
Paper No: MED-15-1272
https://doi.org/10.1115/1.4036024
Published Online: June 27, 2017
View Article titled, Continuous, Real-Time, Noninvasive Hemodynamic Cardiac Doppler Monitoring With a Novel Hands-Free Device: A Feasibility Study Compared to Standard Echo
Open the PDF for Continuous, Real-Time, Noninvasive Hemodynamic Cardiac Doppler Monitoring With a Novel Hands-Free Device: A Feasibility Study Compared to Standard Echo in another window
Topics: Biological tissues, Echoes, Hemodynamics, Blood flow, Doppler measurement, Signals