[Non-surgical extraction of iatrogenic intravascular foreign bodies : a report on 4 cases and review of the literature (author's transl)].

Four cases of non-surgical extraction of iatrogenic vascular foreign bodies are reported, in two of which a basket sound was used, and two others a metallic collar. The percutaneous route was used without denuding the veins. A review of the literature showed 83 cases of non-surgical extraction of vascular foreign bodies, and the methods and materials used are discussed.