Vein Screening Event, 10 a.m. to 7 p.m. January 19 / 20, 2015, Monday and Tuesday at Minnesota Vein Center. Share with your Friends and Family. Varicose and venous disease are Hereditary conditions; left untreated they may result in more serious problems. We offer Free Vein Screenings. A history, exam and ultrasound will be performed at this event. Screenings are 20 minutes. Call 651-384-4521 to schedule your appointment.