نتایج جستجو برای: silicone
تعداد نتایج: 9601 فیلتر نتایج به سال:
PURPOSE Tracheal restenosis due to excessive granulation tissue around a silicone stent requires repeated bronchoscopic interventions in patients with post-tuberculosis tracheal stenosis (PTTS). The current study was conducted to identify the risk factors for granulation tissue formation after silicone stenting in PTTS patients. MATERIALS AND METHODS A retrospective study was conducted betwee...
Despite modern and sophisticated vitreoretinal techniques, the authors are convinced that an underreported patient group exists, for whom long-term silicone oil tamponade is unavoidable. We conducted a literature review of the current evidence base in order to provide guidance on the ocular tolerance and side effects of long-term silicone oil, weighing up benefits against complications as well ...
Despite modern and sophisticated vitreoretinal techniques, the authors are convinced that an underreported patient group exists, for whom long-term silicone oil tamponade is unavoidable. We conducted a literature review of the current evidence base in order to provide guidance on the ocular tolerance and side effects of long-term silicone oil, weighing up benefits against complications as well ...
Silicone oils have wide range of applications in personal care products due to their unique properties of high lubricity, non-toxicity, excessive spreading and film formation. They are usually employed in the form of emulsions due to their inert nature. Until now, different conventional emulsification techniques have been developed and applied to prepare silicone oil emulsions. The size and uni...
T his article aims to describe how scientific advances in silicone technology have affected the patient’s experience in stoma care and why this is important. Previous publications by White (2014a; b) described in detail the use of silicone technology to maintain healthy skin in stoma care. The prevention of skin damage by choosing products that have a sound research base provides patients with ...
Intracranial silicone oil is a rare complication of intraocular endotamponade with silicone oil. We describe a case of intraventricular silicone oil fortuitously observed 38 months after an intraocular tamponade for a complicated retinal detachment in an 82 year-old woman admitted in the Department of Neurology for a stroke. We confirm the migration of silicone oil along the optic nerve. We dis...
New products must be more quickly and cheaply developed, manufactured and introduced to the market due to the pressure of global competition. This work demonstrates a technique for producing accurate wax patterns made from a high precision silicone rubber mold. Silicone rubber mold is cut into five components, which is the minimum number of components for assembling the silicone rubber mold. Th...
Varying the substrate temperature T(s) from 285 to 353 K, both the aggregation behavior of Ag atoms and the preferred structures of the atomic Ag islands on silicone oil surfaces are investigated. After deposition, the deposited Ag atoms form isolated islands with a preferred height. Our observations reveal that, as T(s) increases, the preferred island height increases from 20.0 to 33.0 nm, whi...
To the Editor: We present the unusual case of a patient with leakage of a silicone implant, developing lymphoplasmacytic lymphoma. A 55-year-old woman consulted us because of recurrent unexplained low grade fever since 1985. In 1977 the patient received silicone implants in both breasts. A mammography in 1992 showed a faint granular shadow, indicating leakage of the left silicone implant. Two y...
Breast augmentation with implants is one of the most commonly performed plastic surgery procedures. The goal of the operation is to increase the size, shape or fullness of the breast. It is accomplished by placing silicone, saline or alternative composite breast implants under the chest muscles, fascia or the mammary gland. This type of operation is no exception concerning the occurrence of com...
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