The inferior vena cava umbrella filter.
D000792:Angiography; D000925:Anticoagulants / Q000627:therapeutic use; D005374:Filtration / Q000295:instrumentation / Q000379:methods; D006801:Humans; D010690:Phlebography; D011182:Postoperative Care; D013923:Thromboembolism / Q000000981:diagnostic imaging / Q000601:surgery*; D014682:Vena Cava, Inferior / Q000601:surgery*
D000925:Anticoagulants