conclusion percutaneous tracheotomy operation simple, the patients of small trauma, complication rate is low, worth clinical promotion.
结论经皮气管切开术手术操作简单,对患者创伤小,并发癥发生率低,值得临床推广。
during recent 5 decades, with the development and application of modern science and technology, it is possible that percutaneous tracheotomy and its instruments develop toward mini-invasion.