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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
Sensitivity Analysis Of Geometry Changes In The Simulation Of Basilar Aneurysms, Paul Eserkaln
Sensitivity Analysis Of Geometry Changes In The Simulation Of Basilar Aneurysms, Paul Eserkaln
Theses and Dissertations
Computer simulation is a useful tool in the research and treatment of basilar aneurysms. Current technology allows researchers to create 3D models from cerebral vasculature in-vivo, allowing for the investigation of surgical options with minimal risk to the patient. The method used to construct these models overlooks smaller lateral arterial branches which are difficult to discern due to resolution limits of the imaging process. These lateral branches have minimal impact on the overall blood flow through the basilar artery, but they play a significant role in the health of the patient, so it is important to ensure sufficient blood will …
Microwire Regenerative Peripheral Nerve Interfaces With Wireless Recording And Stimulation Capabilities, Ali Ajam
Theses and Dissertations
A scalable microwire peripheral nerve interface was developed, which interacted with regenerated peripheral nerves in microchannel scaffolds. Neural interface technologies are envisioned to facilitate direct connections between the nervous system and external technologies such as limb prosthetics or data acquisition systems for further processing. Presented here is an animal study using a handcrafted microwire regenerative peripheral nerve interface, a novel neural interface device for communicating with peripheral nerves. The neural interface studies using animal models are crucial in the evaluation of efficacy and safety of implantable medical devices before their use in clinical studies.16-electrode microwire microchannel scaffolds were developed for …
The Effectiveness, Efficiency, And Appeal Of Pediatric Echocardiography Protocol Training For First Year Pediatric Cardiology Fellows, Lynne M. Brown
The Effectiveness, Efficiency, And Appeal Of Pediatric Echocardiography Protocol Training For First Year Pediatric Cardiology Fellows, Lynne M. Brown
Theses and Dissertations
Echocardiography training for pediatric cardiology fellows is complex and academic hospitals strive to provide high-quality training using limited resources. The purpose of this embedded single case study design was to evaluate the effectiveness, efficiency, and appeal of a newly developed 10-day echocardiography protocol learning module for first year pediatric cardiology fellows. Using blended learning methods that included didactic lectures, online learning activities, and interactive games, the learning module was the first step in the process of training pediatric cardiology fellows to perform echocardiograms independently with limited supervision during their first year of fellowship. At the end of the 10-day module, …
Coding Strategies For Cochlear Implants Under Adverse Environments, Qudsia Tahmina
Coding Strategies For Cochlear Implants Under Adverse Environments, Qudsia Tahmina
Theses and Dissertations
Cochlear implants are electronic prosthetic devices that restores partial hearing in patients with severe to profound hearing loss. Although most coding strategies have significantly improved the perception of speech in quite listening conditions, there remains limitations on speech perception under adverse environments such as in background noise, reverberation and band-limited channels, and we propose strategies that improve the intelligibility of speech transmitted over the telephone networks, reverberated speech and speech in the presence of background noise. For telephone processed speech, we propose to examine the effects of adding low-frequency and high- frequency information to the band-limited telephone speech. Four listening …
In-Shoe Plantar Pressure System To Investigate Ground Reaction Force Using Android Platform, Ahmed A. Mostfa
In-Shoe Plantar Pressure System To Investigate Ground Reaction Force Using Android Platform, Ahmed A. Mostfa
Theses and Dissertations
Human footwear is not yet designed to optimally relieve pressure on the heel of the foot. Proper foot pressure assessment requires personal training and measurements by specialized machinery. This research aims to investigate and hypothesize about Preferred Transition Speed (PTS) and to classify the gait phase of explicit variances in walking patterns between different subjects. An in-shoe wearable pressure system using Android application was developed to investigate walking patterns and collect data on Activities of Daily Living (ADL). In-shoe circuitry used Flexi-Force A201 sensors placed at three major areas: heel contact, 1st metatarsal, and 5th metatarsal with a PIC16F688 microcontroller …