Two cases are described where motor vehicle accidents lead to fabric weave impressions and fibres being transferred to the paintwork of vehicles from the clothes of the victims.
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Transomental hernia resulting in a closed loop small bowel obstruction: delayed presentation following paediatric blunt abdominal trauma.
BMJ Case Rep
January 2025
General Surgery, Toowoomba Hospital, Toowoomba, Queensland, Australia.
While internal hernias are rare in the paediatric population, it should be considered as a cause for an acute abdomen following blunt trauma. Internal hernias represent a surgical emergency that requires prompt recognition due to the high risk of strangulation and ischaemia of affected bowel loops. The case of a transomental hernia (TOH) is described in a young girl.
View Article and Find Full Text PDFSensorless Junction Temperature Estimation of Onboard SiC MOSFETs Using Dual-Gate-Bias-Triggered Third-Quadrant Characteristics.
Sensors (Basel)
January 2025
School of Mechanical and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
Silicon carbide (SiC) metal oxide semiconductor field-effect transistors (MOSFETs) are a future trend in traction inverters in electric vehicles (EVs), and their thermal safety is crucial. Temperature-sensitive electrical parameters' (TSEPs) indirect detection normally requires additional circuits, which can interfere with the system and increase costs, thereby limiting applications. Therefore, there is still a lack of cost-effective and sensorless thermal monitoring techniques.
View Article and Find Full Text PDFInvestigation of Sliding Mode Control in the Nonlinear Modeling of Cordless Jigsaws.
Sensors (Basel)
January 2025
Department of Electrical Engineering and Mechatronics, Faculty of Engineering, Vehicles and Mechatronics Institute, University of Debrecen, Ótemető Str. 2-4., H-4028 Debrecen, Hungary.
The aim of this paper was to reduce the current spikes in battery-powered saw motors by designing and implementing a sliding mode model-following adaptive controller. The proposed controller reduces overcurrent consumption, improves system energy efficiency, and effectively maximizes battery runtime, especially under high-load conditions. By applying nonlinear compensation techniques, the controller can ensure smooth motor operation, reduce mechanical stress, and prolong tool life.
View Article and Find Full Text PDFUsing a Safe System Framework to Examine the Roadway Mortality Increase Pre-COVID-19 and in the COVID-19 Era in New York State.
Int J Environ Res Public Health
January 2025
New York State, Bureau of Occupational Health and Injury Prevention, Albany, NY 12237, USA.
Roadway mortality increased during COVID-19, reversing a multi-decade downward trend. The Fatality Analysis Reporting System (FARS) was used to examine contributing factors pre-COVID-19 and in the COVID-19 era using the five pillars of the Safe System framework: (1) road users; (2) vehicles; (3) roadways; (4) speed; and (5) post-crash care. Two study time periods were matched to control for seasonality differences pre-COVID-19 ( = 1725, 1 April 2018-31 December 2019) and in the COVID-19 era ( = 2010, 1 April 2020-31 December 2021) with a three-month buffer period between the two time frames excluded.
View Article and Find Full Text PDFPattern of injury in polytrauma compared to single limb related Lisfranc joint fractures.
Eur J Trauma Emerg Surg
January 2025
Liverpool Orthopaedic and Trauma Service, Liverpool University Hospitals NHS Foundation Trust, Liverpool, United Kingdom.
Background: Midfoot fractures in polytrauma patients are often an underappreciated injury relative to their other major injuries sustained. In this study, our aim was to explore the mechanisms and patterns of injury in polytrauma related midfoot fractures as compared to single limb injuries.
Setting: Multicentre observational study.
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