Journal of Medical Devices: Recent submissions
Now showing items 421-440 of 1736
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Adapted Motor-Assisted Elliptical for Rehabilitation of Children With Physical Disabilities
(The American Society of Mechanical Engineers (ASME), 2019)Many children with physical disabilities experience difficulty using traditional exercise equipment for gait rehabilitation and fitness training, and the clinician resources required to deliver intensive overground or ... -
Identifying Critical Design Parameters for Improved Body Temperature Measurements: A Clinical Study Comparing Transient and Predicted Temperature Measurements
(The American Society of Mechanical Engineers (ASME), 2019)Readily available store brand, or “home,” thermometers are used countless times in the home and clinic as a first diagnostic measure of body temperature. Measurement inaccuracies may lead to unnecessary medical visits or ... -
Thoracic Volumes Correlated With Pulmonary Function Tests in Adult Scoliosis Patients Following Different Treatments in Adolescence
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, a previously developed medical software using orthogonal frontal and lateral X-rays is employed to reconstruct the rib cage and thoracic volume for scoliosis patients. The thoracic volumes of ten adult ... -
Using Simulation to Help Specify Design Parameters for Vacuum-Assisted Needle Biopsy Systems
(The American Society of Mechanical Engineers (ASME), 2019)Needle biopsy is a routine medical procedure for examining tissue or biofluids for the presence of disease using standard methods of pathology. The finite element analysis (FEA) methodology can provide guidance for optimizing ... -
Improved Method for the ASTM Platelet and Leukocyte Assay: Use of Minimal Heparinization in a Screening Test for Hemocompatibility of Blood-Contacting Medical Devices
(The American Society of Mechanical Engineers (ASME), 2019)Most blood-contacting medical devices must be assessed for potential thrombogenicity prior to regulatory approval. A common assay for screening and qualifying devices involves monitoring the reduction of platelet and ... -
Utilization of Cable Guide Channels for Compact Articulation Within a Dexterous Three Degrees-of-Freedom Surgical Wrist Design
(The American Society of Mechanical Engineers (ASME), 2019)Pin-jointed wrist mechanisms provide compact articulation for surgical robotic applications, but are difficult to miniaturize at scales suitable for small body cavity surgery. Solid surface cable guide channels, which ... -
Design and Validation of a Heart Rate and Speed Monitoring Device With Intelligently Controlled Assistive Rehabilitation Elliptical
(The American Society of Mechanical Engineers (ASME), 2019)Cardiovascular assessment and fitness training are often overlooked in physical rehabilitation. Many current rehabilitation exercise devices do not allow for the recording and exportation of variables related to cardiovascular ... -
Real-Time Mechanical-Encoding of Needle Shape for Image-Guided Medical and Surgical Interventions
(The American Society of Mechanical Engineers (ASME), 2019)Error and uncertainty in needle placement can drastically impact the clinical outcome of both diagnostic and therapeutic needle-based procedures. In this work, we aim to estimate the shape of a bent needle during insertion ... -
A Sensor System to Measure Force Applications of a Brace for Pectus carinatum
(The American Society of Mechanical Engineers (ASME), 2019)Pectus carinatum (PC) presents itself as a protrusion on the chest wall of adolescent individuals. Current treatment for PC is performed with a Pectus carinatum orthosis (PCO) that applies a compressive force to the ... -
Control and Evaluation of a Motorized Attendant Wheelchair With Haptic Interface
(The American Society of Mechanical Engineers (ASME), 2019)Attendant wheelchairs provide a means to transport patients or mobility to people with walking disability. They can be attendant propelled, which are highly maneuverable in confined spaces, but offer no power assistance. ... -
Cardiac Magnetic Resonance Imaging of Mechanical Cavopulmonary Assistance
(The American Society of Mechanical Engineers (ASME), 2019)Mechanical circulatory support (MCS) options are limited for patients with dysfunctional single ventricle physiology. To address this unmet clinical need, we are developing an axial-flow blood pump to provide mechanical ... -
A Real-Time Tracking and Visualization System for Robot-Assisted Template Location Method Applied to Lung Cancer Brachytherapy
(The American Society of Mechanical Engineers (ASME), 2019)Accurate location of the puncture-guiding template, including the position and orientation, is essential for surgeons to implant radioactive seeds into an internal tumor in lung cancer brachytherapy. The objective of this ... -
Toward Dosing Precision and Insulin Stability in an Artificial Pancreas System
(The American Society of Mechanical Engineers (ASME), 2019)A fully implantable artificial pancreas (AP) still represents the holy grail for diabetes treatment. The quest for efficient miniaturized implantable insulin pumps, able to accurately regulate the blood glucose profile and ... -
A Robust Incubator to Improve Access to Microbiological Culture in Low Resource Environments
(The American Society of Mechanical Engineers (ASME), 2019)To help address the limitations of operating conventional microbiological culture incubators in low resource environments, a new incubator design was developed and tested to meet the requirements of operation in laboratories ... -
Custom-Fit Three-Dimensional-Printed BiPAP Mask to Improve Compliance in Patients Requiring Long-Term Noninvasive Ventilatory Support
(The American Society of Mechanical Engineers (ASME), 2018)Noninvasive ventilator support using bi-level positive airway pressure/continuous positive airway pressure (BiPAP/CPAP) is commonly utilized for chronic medical conditions like sleep apnea and neuromuscular disorders like ... -
LesionAir: An Automated, Low-Cost Vision-Based Skin Cancer Diagnostic Tool
(The American Society of Mechanical Engineers (ASME), 2018)Current techniques for diagnosing skin cancer lack specificity and sensitivity, resulting in unnecessary biopsies and missed diagnoses. Automating tissue palpation and morphology quantification will result in a repeatable, ... -
A Novel In Vitro Testing Approach for the Next Generation of Transvenous Cardiac Leads: Buckling Behavior
(The American Society of Mechanical Engineers (ASME), 2018)Manufacturers are constantly seeking to design new, better performing transvenous cardiac leads to prevent perforation of the heart by the lead tip. Currently, there is no standardized test method to measure the buckling ... -
A Coronally Clutching Ankle to Improve Amputee Balance on Coronally Uneven and Unpredictable Terrain
(The American Society of Mechanical Engineers (ASME), 2018)To improve the balance of individuals with lower limb amputation on coronally uneven terrain, a coronally clutching ankle (CCA) was developed to actively adapt through ±15 deg of free coronal foot rotation during the first ... -
Design and Functional Testing of a Novel Blood Pulse Wave Velocity Sensor
(The American Society of Mechanical Engineers (ASME), 2018)The multiphotodiode array (MPA) is a novel transmission photoplethysmography (PPG) sensor to measure pulse wave velocity (PWV) in the finger. To validate the MPA, a setup was built to generate a red laser dot traveling ... -
Preliminary Design and Testing of a Cavo-Arterial Pump Utilizing Axial Magnetic Couplings
(The American Society of Mechanical Engineers (ASME), 2018)Right ventricular (RV) dysfunction has limited the effectiveness of mechanical circulatory support (MCS) therapy in some heart failure (HF) patients. Intravascular pumps can provide adequate circulatory support without the ...