The study is an explanatory a number of case examine for explaining how the theoretical model used supports the description of the circumstances and the way the instances differed from each other . The function is to extend understanding of the instances and to create analytic generalisations for different instances and situations . The study depends on holistic information assortment strategies, following the combined methods strategy . They present a chance to current a higher range of views and help us to understand complex phenomena (Newmann et al. 2000).

Surgical technology assists in every sort of surgery—from basic procedures such …