The object of research is the analytical description phenomena in near-surface layer, which are caused by interaction titanium with oxygen at high temperatures. These temperatures that exceed polymorphic transformation metal. High-temperature oxidation gives products unique performance properties. Of course, such characteristics determined, first all, state layer. Therefore, an understanding pr...

conclusions the brachial plexus block can be performed at different levels in the same patient to achieve desired results, while employing sound anatomical knowledge and adhering to the maximum safe dose limit of the local anesthetic. case presentation we present the case of a 68-year-old gentleman who had brachial plexus block at supraclavicular and interscalene levels as the sole anesthetic f...