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Aneurysm dome and vessel pressure measurements with coiling, stent assisted coiling and flow diversion.
Acta Neurochir (Wien)
January 2025
Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, 110 Francis Street , Boston, MA, 02215, USA.
Background: Variability in long-term endovascular treatment outcomes for intracranial aneurysms has prompted questions regarding the effects of these treatments on aneurysm hemodynamics. Endovascular techniques disrupt aneurysmal blood flow and shear, but their influence on intra-aneurysmal pressure remains unclear. A better understanding of aneurysm pressure effects may aid in predicting outcomes and guiding treatment decisions.
View Article and Find Full Text PDFPurpose: The objective was to use cyclic tensile loading to compare the gap formation at suture site of three different suture materials to repair bovine radial meniscal tears: (1) polyglactin sutures, (2) tough adhesive puncture sealing (TAPS) sutures and (3) ultra-high molecular weight polyethylene (UHMWPE) sutures.
Methods: Twelve ex vivo bovine knees were dissected to retrieve the menisci. Complete radial tears were performed on 24 menisci, which were then separated into three groups and repaired using either pristine 2-0 polyglactin sutures, TAPS sutures (2-0 polyglactin sutures coated with adhesive chitosan/alginate hydrogels) or 2-0 UHMWPE sutures with a single stitch.
Numerical simulation and experimental investigation of coating influence on extrusion tap wear.
Sci Rep
August 2024
School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, 723001, China.
Article Synopsis
- This paper investigates how different types of coatings and their thicknesses affect the performance of extrusion taps by analyzing extrusion torque, temperature, and wear.
- The study finds that single-layer and composite coatings initially reduce but then increase torque and temperature with thicker coatings, while double-layer coatings consistently increase them with thickness.
- Among the coatings tested, the TiAlN single coating leads to the lowest extrusion torque and temperature, while the TiAlN-TiAlN double coating has the least wear, demonstrating that proper coating selection can enhance tool performance.
Article Synopsis
- The study investigates contamination levels from faucets in hospital ICUs and the impact of splash during hand washing, focusing on the design of hand washing areas.
- It measures how far splashes travel (up to 100 cm) and identifies heavily contaminated zones (40-110 cm from the faucet) using ATP detection and microbial analysis.
- Findings highlight the need for better hygiene practices, such as keeping clean items away from faucets and installing anti-splash devices to reduce contamination risks.
Calculating the social impact of home automation for people with disability: A social return on investment study.
Aust Occup Ther J
December 2024
College of Medicine and Public Health, Flinders University, Adelaide, Australia.
Introduction: Home automation can deliver important outcomes for people with disabilities, including enhanced independence. Despite the millions of dollars spent on home automation in Australia and other developed nations, to date, there has been no economic evaluation of this type of assistive technology.
Method: A social return on investment analysis of home automation study was undertaken.
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