The Protrieve PROTECTOR Study

Inclusion Criteria:

1. Age ≥ 18 years

2. Planned intervention for DVT presenting with one or more of the followingcharacteristics indicative of elevated risk for PE:

3. Bilateral iliofemoral DVT

4. Clot extending into or located in the IVC

5. In-stent thrombosis

6. Presence of thrombosed IVC filter

7. Other features that the investigator deems put the subject at elevated risk forthromboembolism

8. Willing and able to provide informed consent

Exclusion Criteria:

1. Current symptomatic PE

2. Known anatomic inability to place Protrieve device via jugular vein access site

3. Presence of clot extending to the IVC-Right Atrial junction or in the SVC

4. Subject is pregnant

5. Severe allergy to iodinated contrast agents that cannot be mitigated

6. INR > 1.7 if not currently on anticoagulation therapy, platelets < 50,000/μl whichcannot be corrected prior to enrollment, or Hemoglobin < 8.0 g/dL

7. Severe renal impairment in patients who are not yet on dialysis that in theInvestigator's discretion would pose risk to the patient with the use of marketedcontrast agents

8. Subject is participating in another study that may interfere with this study

9. Subject has any condition for which, in the opinion of the Investigator,participation would not be in the best interest of the subject

10. Subject has previously completed or withdrawn from this study

11. Limb-threatening circulatory compromise (e.g., phlegmasia)

12. Uncontrolled severe hypertension on repeated readings (systolic > 180mmHg ordiastolic > 105mmHg)

13. Severe allergy, hypersensitivity to, or thrombocytopenia from heparin

14. Inability to provide therapeutic anticoagulation per Investigator discretion

15. Known hypercoagulable states that, in the opinion of the Investigator, cannot bemedically managed throughout the study period

16. Inability to be a candidate for intervention due to medical or technical reasonsbased on physician judgement