Journal of Medical Devices: Recent submissions
Now showing items 61-80 of 1655
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The Integration of Robotic Arm and Vision System With Magnetic Tractor Beam Control for Precision Catheter Manipulation in Medical Procedures
(The American Society of Mechanical Engineers (ASME), 2024)This study addresses the challenges of traditional catheterization techniques by integrating UFACTORY's uArm Swift Pro robotic arm with the OpenMV camera module, enhanced by the magnetic tractor beam (MTB) method. The goal ... -
Development of an Esophageal Sleeve With Variable Stiffness and Internal Diameter for Endoscopic Surgery
(The American Society of Mechanical Engineers (ASME), 2024)In natural orifice transluminal endoscopic surgery (NOTES), the flexible endoscopic surgical robot utilizes a continuum configuration to navigate narrow, multicurvature esophageal pathways. However, the tool channel's ... -
A Robotic System With a Bendable Catheter for Laparoendoscopic Single Site Surgery
(The American Society of Mechanical Engineers (ASME), 2024)Robotic laparoendoscopic single site surgery (LESS) is emerging as a hot research topic with the advancement of robotics. However, the movement of the rigid catheter inserted through a fixed incision into the patient's ... -
Design and Evaluation of Kirschner Wire Guide Device for Patellar Fracture Fixation
(The American Society of Mechanical Engineers (ASME), 2024)Identifying the optimal position for Kirschner wire (K-wire) is crucial in tension band wiring for patellar fracture. This study analyzed the ideal position and designed a guide device to aid precise K-wire insertion. The ... -
A Modular Nitinol Model With Lode Angle-Based Asymmetry and Improved Representation of the Superelastic Loops for Medical Device Applications
(The American Society of Mechanical Engineers (ASME), 2024)We describe a phenomenological constitutive model for representing Nitinol in medical device applications. The intent is to capture some of the response features important to medical device applications that are neglected ... -
Design of Three-Dimensional-Printed Compression Ring for Enhanced Wound Healing of Colorectal Anastomosis to Minimize Dehiscence and Leakage Post Colectomy
(The American Society of Mechanical Engineers (ASME), 2024)Bowel resection surgery, also known as colectomy, is a primary therapeutic intervention where a neoplastic or cancerous segment of the bowel is removed and an anastomosis constructed to reestablish intestinal continuity. ... -
Reducing Leak and Increasing Comfort of an N95 Filtering Facepiece Respirator for Aged-Care Workers Using a Customized, Soft, and Compliant Mask Frame
(The American Society of Mechanical Engineers (ASME), 2024)This prospective cohort study examines the quantitative fit-factor and tolerability impact of a novel custom frame designed to fit beneath N95 filtering facepiece respirators (FFRs) in a healthcare setting. Conducted at a ... -
Design, Fabrication, and Validation of a Portable Perturbation Treadmill for Balance Recovery Research
(The American Society of Mechanical Engineers (ASME), 2024)Trips and falls are a major concern for older adults. The resulting injury and loss of mobility can have a significant impact on quality of life. An emerging field of study, known as Perturbation Training, has been shown ... -
A Miniaturized Endoscopic Device Integrating Raman Spectroscopy and Laser Speckle Technology Via an Image Fusion Algorithm for Intraoperative Identification and Functional Protection of Parathyroid Glands
(The American Society of Mechanical Engineers (ASME), 2024)The importance of parathyroid glands (PGs) protection is increasingly recognized by thyroid surgeons in the field of minimally invasive video-assisted thyroidectomy (MIVAT). However, current techniques for intra-operative ... -
Usability and Performance Comparison of Active Shape Memory and Passive Stockings for Medical Compression
(The American Society of Mechanical Engineers (ASME), 2024)On-body compressive therapy is an essential treatment for a variety of health conditions. Traditional compression methods like pneumatics and knit stockings offer quality compression, but present issues with user experience ... -
Adaptive Functional Electrical Stimulation Delivers Stimulation Amplitudes Based on Real-Time Gait Biomechanics
(The American Society of Mechanical Engineers (ASME), 2024)Functional electrical stimulation (FES) is often used in poststroke gait rehabilitation to decrease foot drop and increase forward propulsion. However, not all stroke survivors experience clinically meaningful improvements ... -
An Ergonomic Flexible Multi-Fire Clip Applier With Multiple Degrees-of-Freedom for Minimally Invasive Surgery to Improve Hemostatic Efficiency
(The American Society of Mechanical Engineers (ASME), 2024)Hemorrhage can lead to shock and even death of patients, making one of the main risks in surgical procedures. Most traditional clip appliers are rigid, have limited flexibility, and can only fire a single clip within each ... -
Performance Analysis and Clinical Evaluation of an Automated Tool for Plantar Threshold Sensitivity Assessment in a Non-Diabetic Control Population
(The American Society of Mechanical Engineers (ASME), 2024)Neuropathy is associated with sensation loss in the extremities. Semmes–Weinstein monofilaments are common tools used to assess an individuals' sensation perception. It has long been characterized using hand-applied ... -
Improved Durability of a Modular Axial Fixator for Stable and Unstable Proximal Femoral Fractures: A Patient-Specific Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2024)Femoral neck fractures, comprising 8–10% of all bodily fractures in the elderly, often necessitate alternatives to extensive surgical interventions. Despite limited research, external fixators are considered promising. ... -
Enhanced Detection of Syringe Defects Based on an Improved YOLOv7-Tiny Deep-Learning Model
(The American Society of Mechanical Engineers (ASME), 2024)The timely and accurate identification of syringe defects plays a key role in effectively improving product quality in production lines of syringes. In this article, we collected a dataset of image samples representing ... -
PBVI for Optimal Photoplethysmography Noise Filter Selection Using Human Activity Recognition Observations for Improved Heart Rate Estimation on Multi-Sensor Systems
(The American Society of Mechanical Engineers (ASME), 2024)This work details the partially observable markov decision process (POMDP) and the point-based value iteration (PBVI) algorithms for use in multisensor systems, specifically, a sensor system capable of heart rate (HR) ... -
Development of an Anatomically Accurate Three-Dimensional Simulation Model for Pediatric Central Line Placement
(The American Society of Mechanical Engineers (ASME), 2024)Intensive care unit patients can require a central venous catheter (CVC) which medical trainees often place. The purpose of this study was to create a novel three-dimensional (3D) printed model, based on actual patient ... -
A New Handheld Tool to Select the Correct Tibial Insert Thickness by Measuring the Force to Push a Trial Insert Into Position During Total Knee Arthroplasty Surgery
(The American Society of Mechanical Engineers (ASME), 2024)During total knee arthroplasty (TKA) surgery, an important step is determining the correct insert thickness for each patient. If the insert is too thick, then stiffness results. Or conversely, if the insert is too thin, ... -
Leveraging Compliance to Design a Minimally Invasive, Expandable Interbody Cage Capable of Customized Anatomical Fit for Spinal Fusion Surgery
(The American Society of Mechanical Engineers (ASME), 2024)As spinal fusion surgery continues to transition to less invasive techniques, there remains an unmet need for ever smaller and more complex interbody cages to meet the unique needs of this difficult surgery. This work ... -
Patient-Specific Three-Dimensional-Printed and Bolus Material-Based Localization Grids for Magnetic Resonance Imaging-Guided Interventional Procedures
(The American Society of Mechanical Engineers (ASME), 2024)In view of the lack of commercially available localization grids for magnetic resonance imaging (MRI)-guided interventional procedures, two customizable and easily fabricable grids are proposed. The first one is a ...