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Articles 1 - 5 of 5
Full-Text Articles in Equipment and Supplies
Theoretical And Experimental Evaluation Of Spatial Resolution In A Variable Resolution X-Ray Computed Tomography Scanner, Roman Melnyk
Theoretical And Experimental Evaluation Of Spatial Resolution In A Variable Resolution X-Ray Computed Tomography Scanner, Roman Melnyk
Theses and Dissertations (ETD)
A variable resolution x-ray (VRX) computed tomography (CT) scanner can image objects of various sizes with greatly improved spatial resolution. The scanner employs an angulated discrete detector and achieves the resolution boost by matching the detector angulation to the scanner field of view (FOV) determined by the size of an object being imaged. A comprehensive evaluation of spatial resolution in an experimental version of the VRX CT scanner is presented in this dissertation. Two components of this resolution were evaluated – the pre-reconstruction spatial resolution, described by the detector presampling modulation transfer function (MTF), and the post-reconstruction spatial resolution, given …
Depth And Size Limits For The Visibility Of Veins Using The Veinviewer Imaging System, Soujanya Ganesh
Depth And Size Limits For The Visibility Of Veins Using The Veinviewer Imaging System, Soujanya Ganesh
Theses and Dissertations (ETD)
Administration of fluids or medication and blood draw procedures require the nurse or the phlebotomist to access the veins in patients at hospitals or phlebotomy centers. It is important to minimize the discomfort associated with sticking needles in the patient more than once and most often, necessary to find an appropriate vein within few minutes. However, problems involved in accessing veins in pediatric and obese patients make it very difficult to perform a successful stick in a short time. The VeinViewer Imaging System is an infrared imaging device that provides the nurses and phlebotomists a means for locating veins in …
The Effectiveness Of Shoulder Injury Assessment Techniques: Analyzing The Occurrences Of False Positives, Alec Cianfichi
The Effectiveness Of Shoulder Injury Assessment Techniques: Analyzing The Occurrences Of False Positives, Alec Cianfichi
Undergraduate Theses and Capstone Projects
Shoulder injuries are very common in sports such as baseball, football, and tennis due to high impact and stress placed on the shoulder joint. Due to the greater chance of shoulder injuries in these types of sports, it is imperative for shoulder injury assessments to be accurate in order to ensure that the athlete does not participate with an injured shoulder or lose participation time due to an incorrect assessment. In order to assess the validity of the Apprehension, Relocation, and Surprise test for shoulder instability, student athletes with no known shoulder injuries were evaluated. Tests were conducted under the …
Impact Of Suture Choice On Stricture Formation Following Repair Of Esophageal Atresia, Shawn D. St Peter, Patricia A. Valusek, Charles L. Snyder, G W. Holcomb Iii, Daniel J. Ostlie
Impact Of Suture Choice On Stricture Formation Following Repair Of Esophageal Atresia, Shawn D. St Peter, Patricia A. Valusek, Charles L. Snyder, G W. Holcomb Iii, Daniel J. Ostlie
Manuscripts, Articles, Book Chapters and Other Papers
Background/ Purpose: The most common complication following repair of esophageal atresia is anastomotic stricture. Despite strong opinions of pediatric surgeons regarding the type of suture used for the anastomosis, these opinions remain unsubstantiated by any data present in the literature. Therefore, we investigated the rate and severity of stricture formation relative to the suture size and material.
Materials & Methods: A retrospective analysis of our most recent 20-year experience with repair of esophageal atresia and tracheoesophageal fistula (EA/TEF) was performed. Stricture was defined as the need for dilation. Outcomes were analyzed based on absorbability, texture, and type of …
Accessibility Of Home Blood Pressure Monitors For Blind And Visually Impaired People, Mark M. Uslan, Darren M. Burton, Thomas E. Wilson, Steven Taylor, Bruce S. Chertow, Jack E. Terry
Accessibility Of Home Blood Pressure Monitors For Blind And Visually Impaired People, Mark M. Uslan, Darren M. Burton, Thomas E. Wilson, Steven Taylor, Bruce S. Chertow, Jack E. Terry
Physics Faculty Research
Background: The prevalence of hypertension comorbid with diabetes is a significant health care issue. Use of the home blood pressure monitor (HBPM) for aiding in the control of hypertension is noteworthy because of benefits that accrue from following a home measurement regimen. To be usable by blind and visually impaired patients, HBPMs must have speech output to convey all screen information, an easily readable visual display, identifiable controls that are easy to use, and an accessible user manual.
Methods: Data on the physical aspects and the features and functions of nine Food and Drug Administration-approved HBPMs (eight of which were …