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Full-Text Articles in Engineering

Enhancing Dental Aligners With Direct 3d Printing Manufacturing, Erin Clark, Lauren Ickes, Tyler Madison Jan 2023

Enhancing Dental Aligners With Direct 3d Printing Manufacturing, Erin Clark, Lauren Ickes, Tyler Madison

Williams Honors College, Honors Research Projects

Replacement of thermoforming with direct 3d printed aligners, molding appliances for dental and alveolar movement. Currently the process involved requires 3d printing models and plastic thermoforming, trimming and polishing to fabricate the end product. If possible a product that could be 3d printed that had stress retention, crack resistance, and stain resistance properties delivered in thickness between .030 and .040 inches.


Neonatal Intraocular Injection And Delivery System, Nina Treacher, Cory Ramsey, Marie Kosco, Jackson Carrell Jan 2023

Neonatal Intraocular Injection And Delivery System, Nina Treacher, Cory Ramsey, Marie Kosco, Jackson Carrell

Williams Honors College, Honors Research Projects

The proposed project is a way to deliver liquid medicine into the neonatal eye to prevent retinal detachment with lower risk for bacterial infection and drug misplacement. Currently, ophthalmologists use diabetic needles to introduce medication to the neonate eye. They estimate the injection location with hand-held calipers. This may allow the medicine to be misplaced from poor needle placement and introduce preventable error. The goal is to improve the delivery system ophthalmologists currently use by investigating ways to alter or enhance commonly used injection systems to make the procedure safer and more effective.


Mouthpiece For Patients With Neuromuscular Disorders, Rebekah Starkey, Carissa Thompson, Michael Dickens, Andrew Pero Jan 2023

Mouthpiece For Patients With Neuromuscular Disorders, Rebekah Starkey, Carissa Thompson, Michael Dickens, Andrew Pero

Williams Honors College, Honors Research Projects

Neuromuscular Disorders (NMDs) impact people throughout the world. An early hallmark of these disorders includes some degree of facial muscle weakness. Respiratory testing is important to evaluate the progression of these patients’ NMDs. However, these tests require that the patient purses their lips around a mouthpiece to create a tight seal. This is a difficult task for one with facial muscle degeneration. This often leads to results that fail to reflect the patient’s true respiratory ability and prevents their physician from providing the appropriate degree of care. The objective of this project was to develop a face mask or mouthpiece …


Side Cutting Biopsy Needle For Endoscopes, Cade Smarr, Ella B. Brinkman, Christine Skakun, Vincent Grosso Jan 2023

Side Cutting Biopsy Needle For Endoscopes, Cade Smarr, Ella B. Brinkman, Christine Skakun, Vincent Grosso

Williams Honors College, Honors Research Projects

Develop a side cutting biopsy needle that fits through the working channel of the endoscope similar to stereotactic needle with syringe suction to overcome the small biopsy samples due to instrument size limitations. The problem users are facing is that the biopsy samples through the endoscope are small secondary to instrument size limitations. The idea for this problem is to develop a side cutting biopsy needle that fits through the working channel of the endoscope similar to stereotactic needle, syringe suction.


Totally Tubulair - Adjustable Nasal Cannula, Megan Bruns, Emily Mcgrath, Angelina Marchio, Olivia Renkel Jan 2022

Totally Tubulair - Adjustable Nasal Cannula, Megan Bruns, Emily Mcgrath, Angelina Marchio, Olivia Renkel

Williams Honors College, Honors Research Projects

Many individuals require short-term and long-term oxygen therapy. These users experience discomfort and problems with the standard nasal cannula that are compounded by issues with oxygen sources being heavy with limited supply and tubing getting tangled, kinked, or not providing enough mobility. The objective of this project was to address ergonomic issues with oxygen therapy devices to increase the ease of use for healthcare workers, patients, and families. By following the engineering design process, a prototype was developed for a nasal cannula with interchangeable prongs. The new design allows users to select a prong size that is more comfortable for …


Radial Artery Model For Catheterization Procedures, Kyla Beville, Mitchell Gagnon, Benjamin Stalls, Maya Ariza Jan 2022

Radial Artery Model For Catheterization Procedures, Kyla Beville, Mitchell Gagnon, Benjamin Stalls, Maya Ariza

Williams Honors College, Honors Research Projects

The purpose of this project was to create a radial artery model that is usable under ultrasound that would reduce complications during catheterization procedures. Each year, over one million of these procedures are done and complications can affect the outcomes of the patient. Using ultrasound during these procedures is an upcoming way to reduce these complications and improve the outcome that a patient will have.


Cochlear Implant Training Model, Devin Baughn, Sidney Mingle, Aaron Bowman Jan 2022

Cochlear Implant Training Model, Devin Baughn, Sidney Mingle, Aaron Bowman

Williams Honors College, Honors Research Projects

Currently available training methods for cochlear implant surgeries such as cadavers and imaging systems are expensive and available for a limited number of training sessions. With the goal of decreasing risk factors associated with cochlear implant surgery, our team developed a cochlear implant training model prototype that is designed to provide a trial-and-error, tactile training method for developing force perception levels required to avoid causing damage to the cochlea. This model is designed to utilize a disposable material that ruptures when exposed to critical force levels. A material testing device was developed and utilized to test an assortment of easily …


Improving The Monitoring Of Post-Operative Patient Mobility, Owen T. Lacey, Alexandria Magyar-Averin, Elena Ewing, Samuel Elliott, Cameron Lazor Jan 2021

Improving The Monitoring Of Post-Operative Patient Mobility, Owen T. Lacey, Alexandria Magyar-Averin, Elena Ewing, Samuel Elliott, Cameron Lazor

Williams Honors College, Honors Research Projects

Patient post-operative care is essential in attaining positive patient outcomes. To ensure proper blood circulation for recovery and healing is achieved, a patient's mobility is monitored. However, medical professionals aren't always available to continuously monitor patient progress. The clinical need for a medical device to monitor and quantify patient movement automatically is derived and addressed here. By designing a novel device and associated code, an engineering solution to this clinical need can be developed to monitor and improve patient post-operative outcomes in the absence of a medical professional. After completing research on the clinical need and gathering information from stakeholders …


Electrospinning Of Formic Acid/Acetic Acid And Nylon-6 Solutions For Wearable Hydration Sensors, Nichole Cooper, Jonathan Doak Jan 2021

Electrospinning Of Formic Acid/Acetic Acid And Nylon-6 Solutions For Wearable Hydration Sensors, Nichole Cooper, Jonathan Doak

Williams Honors College, Honors Research Projects

Students have been working on the development of wearable hydration sensors at the startup company RooSense. The goal of the company is to develop a lightweight wearable sensor that enables the user to know their hydration level, thus elevating their performance goals. To measure the hydration of the wearer, the sodium and other salt ions are collected from the user’s sweat as they exercise. This sweat is analyzed as it is collected to give the user an exact level of hydration, so they know how much fluids they need. The production of this ion sensor requires numerous steps and iteration …


Ecg Monitoring In Athletes, Jalal Jwayyed, Kelly Purgason, Joseph Linder, Annamarie Alfery, Silvia Furman Jan 2021

Ecg Monitoring In Athletes, Jalal Jwayyed, Kelly Purgason, Joseph Linder, Annamarie Alfery, Silvia Furman

Williams Honors College, Honors Research Projects

Athletes and medical personnel need reliable methods to monitor vital signs and detect potentially life-threatening issues before they occur. Electrocardiograph (ECG) monitors are currently the best method of detecting heart-related health issues. Current ECG monitors worn by athletes are difficult to use and lack the ability to track ECGs in real time. Through research and interviews with various clinicians, further problems have been identified that include poor electrode adhesion, and a lack of compatibility with the equipment worn by athletes. Our team proposes to develop solutions that will improve performance and comfort associated with ECG monitors for athletic applications. This …


Lateralized Laryngoscope Blade, Kenneth Gregg, Steven Innocenzi, Jacob Myers, Regina Neugebauer, Clarence Noronha Jan 2021

Lateralized Laryngoscope Blade, Kenneth Gregg, Steven Innocenzi, Jacob Myers, Regina Neugebauer, Clarence Noronha

Williams Honors College, Honors Research Projects

Tracheal intubations are one of the most common surgeries that occur since they are necessary for most patients under anesthesia. Given the frequency, an error with a relatively low chance of occurring can still provide a large problem both for the patient and the hospital. We studied teeth damage that arise during tracheal intubations to determine if improvements could be made to the process to lower the chance of it occurring. Given this, we set out to improve the laryngoscope to provide a product with a novel approach that sweeps into the mouth from the left side before traveling the …


Tubing/Lines Entanglement Reduction In Healthcare Settings, Abigail Kraft, Amy Beskitt, Grace Elerick, Zachery Steck Jan 2021

Tubing/Lines Entanglement Reduction In Healthcare Settings, Abigail Kraft, Amy Beskitt, Grace Elerick, Zachery Steck

Williams Honors College, Honors Research Projects

Intravenous (IV) lines used in various healthcare settings pose a risk to patients and their caretakers. A few common risks include IV lines becoming torn out and coming into contact with open wounds. We propose to solve this problem by designing a device that prevents IV and wire entanglement without obstructing patient care. Our objectives in identifying a solution include increasing patient comfort, mobility, and ease of transfer. By solving this issue, other potential benefits include reducing time spent on non-essential tasks and reducing number of personnel needed to transport patients. We intend to validate our product with healthcare employees …


Lower Extremity Exoskeleton, Kelly Haslett, Jacalyn Everhart Jan 2020

Lower Extremity Exoskeleton, Kelly Haslett, Jacalyn Everhart

Williams Honors College, Honors Research Projects

Develop a lower extremity device that provides assistance, support, and gait correction for children with cerebral palsy who display crouch gait as a symptom. The device will be designed for children ages 7-12. The device will be adjustable to accommodate varying levels of gait irregularity, weakness and human growth. The device would assist walking and stair climbing by providing bilateral support at hips, knees and ankle joints. The device will be designed for ease of donning and doffing. Battery, drive and control electronics will be designed to reside in a minimalistic backpack (outside the scope of this project).


Enhancement Of The Syncardia Total Artificial Heart For Pediatric Use, Margaret Clark, Madison Marks Jan 2020

Enhancement Of The Syncardia Total Artificial Heart For Pediatric Use, Margaret Clark, Madison Marks

Williams Honors College, Honors Research Projects

Pediatric patients with disorders and diseases of the heart have limited options with regards to implantable devices. Many of these implants are ventricular assist devices, which is not always suitable for a patient. Total artificial hearts (TAHs) have supported many adult patients until transplantation, and we believe that they could do the same for pediatric patients. SynCardia has the only Food and Drug Administration (FDA) approved TAH devices. Since SynCardia is the only company with FDA approved TAHs, we decided to modify the design of the SynCardia TAH for use in pediatric patients without compromising the function of the current …


Prosthetic Hand, Nicholas Damiani, Eric Rassavong, John Zolton Jan 2020

Prosthetic Hand, Nicholas Damiani, Eric Rassavong, John Zolton

Williams Honors College, Honors Research Projects

Development of a prosthetic hand for an above-the-wrist amputee. The hand will provide flexion and extension of the wrist, fingers and thumb. The device will be customized for each individual by utilizing an medical imaging of the amputation side stump and the normal arm/wrist as the input. An integral hand/wrist and socket will be 3D printed, and actuators will be mounted to the prosthetic to provide motion. The wrist will be a mirror-image of the normal hand. Materials utilized will be selected based on the medical image intensity for different tissue types (cartilage, bone, skin, fat, etc.) and will simulate …


All-Wheel-Ukraine, Sofiya Rakovska, Hannah Mcculloch, Andrey Garasimchuk, Ahmad Alsaihati Jan 2020

All-Wheel-Ukraine, Sofiya Rakovska, Hannah Mcculloch, Andrey Garasimchuk, Ahmad Alsaihati

Williams Honors College, Honors Research Projects

We are working with a non-profit organization in Ukraine that provides wheelchairs/strollers to families of disables children who cannot afford them. Their current preferred solution is a baby stroller. The organization asked us to create a wheelchair that is cost efficient, light and collapsible to be used for children ages up to thirteen years old. We will be creating an alpha prototype wheelchair by modifying a basic wheelchair that we purchased. This modifications include adding a headrest that is adjustable and provides a sufficient support for children within the age group given to us and diverse levels of disabilities. We …


Artificial Reverse Shoulder Arthroplasty Joint Project, Michael Rosen, Bailei Hoyng Jan 2020

Artificial Reverse Shoulder Arthroplasty Joint Project, Michael Rosen, Bailei Hoyng

Williams Honors College, Honors Research Projects

This proposed project will be developing an artificial reverse shoulder arthroplasty joint that focuses on improvements to the Zimmer Biomet Comprehensive Reverse System by freating a unique feature, or features, to the humeral component that focuses on the prevention of dislocation by not limiting the range of motion of men from ages 45 to 65 years.

The development of the this project will utilize the Food and Drug Administration (FDA) medical device design process. This project will involve a total of four Biomedical Engineering students from the University of Akron. Two students, Michael and Bailei, are in the Honors college …


A Novel Approach To Mid-Foot Reconstruction Surgery In Patients With Charcot Arthropathy, Jessi Martin, Deborah Falokun Jan 2020

A Novel Approach To Mid-Foot Reconstruction Surgery In Patients With Charcot Arthropathy, Jessi Martin, Deborah Falokun

Williams Honors College, Honors Research Projects

This honors project details the design and development of an internal orthopedic implant that surgically corrects the midfoot fracture and subsequent arch collapse in patients with Charcot arthropathy. The client of the project is Dr. David Kay, an orthopedic surgeon with the Crystal Clinic in Akron, Ohio. He presented a problem surrounding surgical implants meant to repair Charcot arthropathy. Implants that repair the midfoot fracture failed at a rate of about 60%. A team of senior biomedical engineering students attending the University of Akron developed a goal to design a new surgical implant that would reduce the failure rate of …


Upper Extremity Mobility Device, Timothy J. Grassi, Jacob R. Miller Jan 2020

Upper Extremity Mobility Device, Timothy J. Grassi, Jacob R. Miller

Williams Honors College, Honors Research Projects

The goal of this project was to evaluate a clinical problem, explore possible solutions, and produce a functioning prototype that would conform to all the established guidelines and requirements. The project focused on developing an upper extremity mobility device for a singular client with limited muscle activity in his arms due to childhood polio. Our design process was governed by an adapted form of the FDA Design Control Process, 21 CFR 820.30 [1]. The outcome of this project was a functioning prototype that utilized the concept of a motorized pulley system remote controlled using a key fob. This research project …


The Tera Multi Terrain Mobility Aid Chassis, Colton Kemp, Daniel Nicoll, Ibrahim Suleiman, Mohammad Alyami Jan 2020

The Tera Multi Terrain Mobility Aid Chassis, Colton Kemp, Daniel Nicoll, Ibrahim Suleiman, Mohammad Alyami

Williams Honors College, Honors Research Projects

The natural environment poses a significant number of obstacles and dynamic settings that makes mobility difficult for those with physical and mobility impairments. To approach this problem, a suspension was designed using inspiration from the early Mars rovers developed by NASA for traversing the varied Martian landscape. The course of the project followed the direction of a start-up through problem identification, early design generation and review, and final design production. The project outcome, through client request and proven market research, aimed to produce a multi-terrain wheelchair. The final product is a kinematic body with mobile front “legs” and a rotational …


The Second Wind, Jacob Heiss, Logan Neidert Jan 2019

The Second Wind, Jacob Heiss, Logan Neidert

Williams Honors College, Honors Research Projects

The Second Wind device is a set of sensors and a data processing unit capable of recording data necessary to conduct a simplified version of a complex cardiopulmonary stress test (CPET). This data includes VO2, VCO2, ventilation, and pulse oximetry data. VO2 and VCO2 are the percent, by volume, of oxygen and carbon dioxide in the patient's breath, spirometry is the measure of air flow, and the pulse oximetry data includes heart rate (HR) and percent oxygen in the blood (SpO2). In addition, the device was designed to be portable, so this test could be run from patients’ homes or …


Quickcough: An Instrumentational Proximal Airway Clearance Technique (Act) For Select Patients With Neuromuscular Disease (Nmd), Sean X. Sullivan, Russell K. Catania, Madison K. Plaster, Sydney E. Kandray, Mariah Costa Jan 2019

Quickcough: An Instrumentational Proximal Airway Clearance Technique (Act) For Select Patients With Neuromuscular Disease (Nmd), Sean X. Sullivan, Russell K. Catania, Madison K. Plaster, Sydney E. Kandray, Mariah Costa

Williams Honors College, Honors Research Projects

Patients with neuromuscular disease (NMD) requiring tracheostomy and mechanical ventilation secondary to respiratory failure encounter increased difficulty in removing pulmonary secretions from the airways. To combat issues associated with current treatment modalities for insufficient cough efficacy (cost, poor mobility, discomfort, lack of evidence), we have developed an instrumentational proximal airway clearance technique (ACT) which augments a manual proximal ACT developed by a client with NMD. QuickCough is a 3D-printed PLA attachment to the tracheostomy apparatus which has demonstrated its ability to facilitate pressure changes necessary to increase patient’s peak cough flow (PCF) by providing a stronger exsufflation for the patient. …


Easy Adjustable Protective Helmet, Ryan Balash Jan 2019

Easy Adjustable Protective Helmet, Ryan Balash

Williams Honors College, Honors Research Projects

Akron Children’s Hospital and The University of Akron’s Biomedical Engineering Design Team Engineering Forward have paired together to improve medical adapted helmets for post-operative and disabled patients. An issue is the helmets are only produced in a couple of sizes. Also, it is a tedious process to constantly adjust the pressure on the patient’s cranium within a trial-and-error process. Engineering Forward plans to improve the effectiveness of this helmet by creating an adjustable helmet that can read the pressure on a patient’s head. The caregiver can then make the necessary adjustments to the helmet to accommodate the patient. Documents of …


Fabrication And Characterization Of Nanofiber Nylon-6-Mwcnt As An Electrochemical Sensor For Sodium Ions Concentration Detection In Sweat, Kelsey Mills Jan 2019

Fabrication And Characterization Of Nanofiber Nylon-6-Mwcnt As An Electrochemical Sensor For Sodium Ions Concentration Detection In Sweat, Kelsey Mills

Williams Honors College, Honors Research Projects

Fabrication and characterization nylon-6-MWCNT nanofiber as an electrochemical sensor to detect sodium ion concentrations specifically in sweat. Using contact angle to determine surface morphology and chronoamperometry testing to identify ideal sensor conditions, tests optimized parameters like weight percent of nylon or other polymers, carbon nanotube (CNT) isomer, and solution concentration to determine reproducibility of functional sensors. Utilizing the electric qualities of carbon nanotubes partnered with the sodium ion selectivity of calixarene treatment and polymers unique properties like flexibility and scalability create open an arena for optimizing sodium ion sensors for further development for functional prototypes. Morphology tests showed that the …


The Wrist Brace Project, Nathan Nicholas Jan 2019

The Wrist Brace Project, Nathan Nicholas

Williams Honors College, Honors Research Projects

This paper outlines the engineering design process of creating a specialized wrist brace for a local child. This project was completed by a team of senior Biomedical Engineering students.


Wearable Hearing Accessory Technology, Tyler Cindea, Jaime Alcorn, Brooke Draper, Kyle Glascott, Ben Hanna, Robert Thoerner Jan 2018

Wearable Hearing Accessory Technology, Tyler Cindea, Jaime Alcorn, Brooke Draper, Kyle Glascott, Ben Hanna, Robert Thoerner

Williams Honors College, Honors Research Projects

We set out in August 2017 to develop an active noise suppressing device that would be usable both in military and civilian activities. Due to constraints in knowledge and time, we decided our best course of action was to divide the project into two equal projects with the hope to be able to combine them into a single project at the end of the allotted time. This consisted of an active noise suppression device and a passive noise suppression device. The passive device would have no electronic components and the active device would be pure circuitry with no housing. This …


Characterization Of Polyurethane For Use As Substrate In Nanofiber Sensor For Biomedical Applications, Megan Theaker Jan 2017

Characterization Of Polyurethane For Use As Substrate In Nanofiber Sensor For Biomedical Applications, Megan Theaker

Williams Honors College, Honors Research Projects

The purpose of this project is to begin to determine properties of polymer nanocomposites that make a suitable substrate for nanofiber sensors. In this work, sensitivity of a sodium ion selective sensor constructed with polyurethane was used as a benchmark for comparison with sensors constructed with nylon-6. The sensors were characterized using contact angle and chronoamperometry. Using an ANOVA analysis, the results showed that the multi-walled carbon nanotube type was a significant factor on sensor response both with and without additional functionalization of the polymer by calixarene. The weight percentage of polyurethane in the electrospinning solution was also statistically significant …


Lighted Ear Curette, Kelsey Ashmore, Kaitlin Klotzle, Crysta Yamamoto, Katrina Elfrink, Cynthia Stoller Jan 2017

Lighted Ear Curette, Kelsey Ashmore, Kaitlin Klotzle, Crysta Yamamoto, Katrina Elfrink, Cynthia Stoller

Williams Honors College, Honors Research Projects

The ear canal is a sensitive and small part of the human body that is prone to accumulate cerumen or lodge foreign bodies. In order to clean the ear canal or remove foreign bodies, three hands are required: one to brace the patient's head, one to maneuver the curette that is used to clean the ear, and one to hold a light source in order to make the small, dark area visible. Therefore, a design is needed that can allow a doctor to safely clean an ear with an instrument that only requires two hands. Furthermore, the design must have …


Emlighten, Emily Mulvany Jan 2016

Emlighten, Emily Mulvany

Williams Honors College, Honors Research Projects

This project is focused on creating a system to increase patient satisfaction in hospitals. My senior design team has been working hand in hand with the emergency department of Akron General to design this system called EMlighten. The goal is to create an experience for patients where they exit the hospital feeling more satisfied than they currently are. Patient satisfaction is a key performance indicator used by many hospitals to determine how much additional funding each hospital department is granted. If patients feel more satisfied, not only is that indicative of better care, but departments will receive extra funding. EMlighten …


Reducing Fretting Corrosion At The Femoral Neck To Taper Junction In Total Hip Arthroplasty, Andrea M. Carly, Nicholas S. Moyer, Abel S. Pietros Jan 2016

Reducing Fretting Corrosion At The Femoral Neck To Taper Junction In Total Hip Arthroplasty, Andrea M. Carly, Nicholas S. Moyer, Abel S. Pietros

Williams Honors College, Honors Research Projects

Fretting corrosion due to micromotion between the femoral head and neck of hip implants is a growing concern of surgeons and patients. Debris from corrosion can lead to severe adverse effects for patients of total hip arthroplasty and reduce the lifespan of the product. Previous studies conducted by Zimmer Biomet show a connection between higher impaction force and reduced fretting corrosion and debris. This design project explored this issue and developed a training device using a current technology, a dynamic force sensor, and data analysis software for surgeons to obtain muscle memory of a 4kN strike on the head impactor, …