⁃ Patients must meet ALL of the following criteria to be eligible for participation in the study:

• \*Patient is \> 18 and \< 90 years old

• \*Clinical signs and symptoms consistent with acute submassive PE with duration ≤ 14 days, as determined by the Investigator

• (\*)CTA evidence of proximal PE (filling defect in at least one main or lobar pulmonary artery)

• (\*)RV/LV ratio of ≥ 0.9 (Enrollment qualification assessment based on Investigator's interpretation of RV/LV ratio at baseline)

• \*Systolic blood pressure ≥ 90 mmHg (initial SBP may be ≥ 80 mmHg if the pressure recovers to ≥ 90 mmHg with fluids)

• \*Heart rate \< 130 BPM prior to procedure

• \*Patient is deemed medically eligible for interventional procedure(s), per investigator guidelines and clinical judgment

• Patient signs a written Informed Consent form to participate in the study, prior to any study mandated procedures