DESIVI: Dosing of Electrical Stimulation in Venous Insufficiency

Inclusion Criteria: Patients with chronic venous insufficiency who have the following are eligible for the study: * Able to understand the study and provide meaningful written informed consent for the study. * Willing, able, and committed to participate in the procedures for the full length of the study. * All ethnic groups, male or female above the age of 18 years. * Diagnosis of chronic venous insufficiency (C3-C5 CEAP Classification) * Blood pressure currently under moderate control (\< 160/100mmHg) * No current foot ulceration Exclusion Criteria: Patients meeting any of the following criteria are to be excluded: * Has an unstable condition (eg, psychiatric disorder, a recent history of substance abuse) that would affect compliance with protocol * Pregnant * Has a cardiac pacemaker, AICD or other implanted electrical device * Has an Existing DVT. * Has recent lower limb injury or lower back pain * Has current foot ulceration or other skin ulcers * Has any disorder that, in the opinion of the Investigator, might interfere with the conduct of the study. * Has an ABPI \< 0.8