Results 21 to 30 of about 2,586,847 (282)

An Ultrasonic Sensor for Distance Measurement in Automotive Applications [PDF]

, 2001
This paper describes an ultrasonic sensor that is able to measure the distance from the ground of selected points of a motor vehicle. The sensor is based on the measurement of the time of flight of an ultrasonic pulse, which is reflected by the ground. A
Parvis, Marco, Carullo, Alessio
core   +1 more source

The Influence of Harmonic Ratio on HIFU-Induced Thermal Lesion Formation in Biological Tissue [PDF]

Journal of Biomedical Physics and Engineering
Background: High-Intensity Focused Ultrasound (HIFU) is a non-invasive therapeutic technique, widely used for thermal ablation of tumors and other pathological tissues.
Hu Dong, Jiwen Hu, Wei Chen
doaj   +1 more source

Case Report: Glomeruloid hemangioma in external jugular vein

Frontiers in Surgery
IntroductionGlomerular hemangioma is a rare vascular tumor characterized by capillary loops that resemble glomeruli within dilated vascular spaces. While primarily reported in the skin and soft tissues, its occurrence in the external jugular vein is ...
Guiping Peng, Yawen Ju, Miao Dai, Miao Dai   +3 more
doaj   +1 more source

Efeitos agudos do ultrassom terapêutico de 1-MHz na desobstrução nasal de indivíduos com rinossinusite crônica Acute effects of therapeutic 1-MHz ultrasound on nasal unblocking of subjects with chronic rhinosinusitis

Brazilian Journal of Otorhinolaryngology, 2011
Recentemente, a terapia ultrassônica de baixa intensidade (TUSBI) foi descrita como um tratamento plausível para rinossinusite crônica (RNC). OBJETIVOS: Avaliar os efeitos agudos da TUSBI de 1MHz contínua sobre a obstrução nasal de indivíduos com RNC ...
Wanize Almeida Rocha, Kátia Maria Gianezeli Rodrigues, Rowdley Robert Rossi Pereira, Breno Valentim Nogueira, Washington Luiz Silva Gonçalves   +4 more
doaj   +1 more source

Comparison of efficacy of various intracanal irrigants with ultrasonic bypass system

Journal of Pharmacy and Bioallied Sciences, 2021
Background: The long-term success of root canal therapy depends on the effective debridement and removal of smear layer and debris from the canal. Root canals with difficult anatomy and complex systems pose great challenge to achieve this.
Sonal Sinha, Akash Narayan Dutta Barua, Kuldeep Singh Rana, Karn Singh, Santosh Kumar, Roseka Saini   +5 more
doaj   +1 more source

Low-intensity pulsed ultrasound ameliorates partial infraorbital nerve ligation-induced trigeminal neuropathic pain through inhibiting Schwann cell Pannexin 1 channel

Frontiers in Immunology
BackgroundNeuroinflammation significantly contributes to trigeminal neuropathic pain (TNP). Low-intensity pulsed ultrasound (LIPUS) showed anti-inflammatory function in several diseases.
Yao Liu, Xue Han, Weijie Zhang, Qingguo Pei, Shuyu Xu, Haicheng Wang   +5 more
doaj   +1 more source

Focused ultrasound and Alzheimer’s disease A systematic review

Dementia & Neuropsychologia
Alzheimer’s disease (AD) affects millions of people, however, there is still no effective treatment. The use of focused ultrasound with microbubbles (FUS-MB) for the opening of the blood-brain barrier has been recently studied and may become a promising ...
Rodrigo Marmo da Costa e Souza, Inaê Carolline Silveira da Silva, Anna Beatriz Temoteo Delgado, Pedro Hugo Vieira da Silva, Victor Ribeiro Xavier Costa   +4 more
doaj   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen, Calogero Virgone, Antje Redlich, Michael Abele, Ricardo Lopez‐Almaraz, Tal Ben‐Ami, Ewa Bien, Gianni Bisogno, Maja Mazic Cesen, Andrea Ferrari, Malgorzata A. Krawczyk, Yves Reguerre, Dominik T. Schneider, Ines B. Brecht, Charlotte Rigaud, Bilgehan Yalcin, Rainer Claus, Christian Vokuhl, Constantin Lapa, Jörg Fuchs, Segolene Hescot, Thomas Walter, Julien Hadoux, Daniel Orbach   +23 more
wiley   +1 more source

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan, Michael Abele, Calogero Virgone, Michaela Kuhlen, Ricardo Lopez‐Almarez, Tal Ben‐Ami, Ewa Bien, Maja Cesen, Malgorzata A. Krawczyk, Andrea Ferrari, Gianni Bisogno, Yves Reguerre, Dominik T. Schneider, Louise Galmiche, Jorg Fuchs, Sarah Braungart, Bilgehan Yalcin, Ines B. Brecht, Daniel Orbach   +18 more
wiley   +1 more source

The effect of lowintensity pulsed sound waves delivered by the Exogen device on Staphylococcus aureus morphology and genetics

Acta Orthopaedica et Traumatologica Turcica, 2020
Objectives: We investigated the effect of low-intensity pulsed sound waves delivered by the Exogen device, which is recommended for the treatment of delayed union and nonunion in orthopedic surgery, on the colony number, antimicrobial susceptibility ...
İrfan Ayan, Gönül Aslan, Ülkü Çömelekoğlu, Nejat Yılmaz, Mehmet Çolak   +4 more
doaj   +1 more source