Used for the prevention of recurrent pulmonary embolism (PE) via placement in the vena cava in the following situations: • Pulmonary thromboembolism when anticoagulant therapy is contraindicated • Failure of anticoagulant therapy in thromboembolic diseases • Emergency treatment following massive PE where anticipated benefits of conventional therapy are reduced • Chronic, recurrent PE where anticoagulant therapy has failed or is contraindicated. The Cook Celect Platinum Filter implant may be retrieved.