3 patients with membranous (2 patients)and segmental (1 patient) obstruction of IVC were successfully treated by percutaneous transvenous angioplasty using balloon catheter. Im-provemnts of clinical and radiological findings could be obtained after procedures. Relatively good patency was obtained in all cases without complications, this provedure can be applied safely to membranous or segmental obstructions of IVC and elsewhere in the venous systems.