Methods Using snare atherectomy to pull the foreign body from aorta or vena cave to femoral region vascular puncture part where has been given local anesthesia.

• 目的以股部小切口取出血管异物临床。用血管腔内异物圈套器将大血管内异物牵至股部血管穿刺部位局麻下切开取出。