[The use of plastic prosteses in laryngeal and tracheal stenoses (author's transl)]

A "T" shaped polyvinylpyrrolidine tube was used to resolve cicatricial stenosis of the larynx and trachea. The plastic prosthesis is softened by heat. According to clinical experience the prosthesis insures unhindered respiration, free expectoration, speech and deglution. A number of successes are demonstrated.