منابع مشابه
Regulatory approval of new medical devices: cross sectional study
OBJECTIVE To investigate the regulatory approval of new medical devices. DESIGN Cross sectional study of new medical devices reported in the biomedical literature. DATA SOURCES PubMed was searched between 1 January 2000 and 31 December 2004 to identify clinical studies of new medical devices. The search was carried out during this period to allow time for regulatory approval. ELIGIBILI...
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In the so-called evidence-based medicine (EBM) era, pre-market clinical trials showing equivalent or superior benefit from new drugs versus existing therapies are required by regulatory bodies, while the process for approval of medical devices is less stringent [1]. The expansion of device-based therapies for cardiovascular conditions makes cardiology the ideal setting for analysing the peculia...
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Ethylene oxide (EO) is a well-known sterilizing agent. However, only recently has its use significantly emerged, based on its range of applications in the field of new medical device development and sterilization. This paper describes the progress in terms of EO sterilization and concludes that it remains a promising field to explore and develop. The EO action mechanism and toxicity are analyze...
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در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...
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ژورنال
عنوان ژورنال: The Review of Laser Engineering
سال: 2016
ISSN: 0387-0200,1349-6603
DOI: 10.2184/lsj.44.3_179