A new medical procedure is being reported to help patients avoid leg amputation. The specifics of the procedure vary in the reports, with some mentioning ultrasound, genetic research, a new oxygen gel, or a treatment for frostbite, while others reference a procedure called Transcatheter Arterialization of Deep Veins (TADV). The procedure is being offered at various hospitals, including Jackson Hospital, St. Peter's Hospital, and University Hospitals, and has reportedly been used to help individual patients avoid amputation.