[Conservative drainage of the pleural cavity in children]

New kinds of polyvinylchloride drains of the given shape providing their parietal position in the pleural cavity are proposed. It gives more complete expansion of the lung and excludes pressure upon it. The proposed method of the introduction of the given drains into the pleural cavity is not very injurying and provides tight closing of the injury canal around the drain. Drains of various diameters are used according to age groups of the patients. The use of the drains described allows to considerably decrease the number of complications in drainage.