Design Validation Hemodynamic Study of New Kendall SCD SmartFlow Compression System

Eligibility Criteria

• * Subject must be ≥18 years and ≤ 89 years of age.
• * Subject must be able to speak and read English.
• * Subject must have both legs fully intact (cannot be an amputee) with normal function.
• * Subject must be able to commit to the full study duration (approximately 1-2 hours of uninterrupted time).
• * Subject legs must fit into the provided knee length compression sleeves (\<32").
• * Subject must give written informed consent.
• * Subject is currently pregnant or breastfeeding.
• * Subject has a positive COVID history within the previous 6 months.
• * Subject presents with
• * - local leg condition with which the sleeves would interfere such as dermatitis, vein ligation (immediate post-operative), gangrene, recent skin graft, or any other open wound
• * - arteriosclerosis or other ischemic vascular diseases as indicated by absence of pedal pulses and/or history of intermittent claudication with positive pain response
• * - edema of legs or pulmonary edema from congestive heart failure
• * - deformity of the leg
• * - current Deep Vein Thrombosis as identified during baseline clinical screening
• * - recent or old Deep Vein Thrombosis as identified during baseline clinical screening
• * - reflux in the superficial or deep veins
• * - history of DVT/PE
• * - known May-Thurner Syndrome
• * Subject who, in the opinion of the investigator, is not an appropriate candidate for the study