1. A processing system for facilitating the healing of a skin ulcer in a treated area of the body, comprising: an ultrasound device designed to transmit ultrasonic waves to the treated area, and an electrical stimulation device designed to apply interference electrical stimulation to the treated area, simultaneously with the transmission of ultrasonic waves. The system of claim 1, wherein the skin ulcer contains a diabetic ulcer. The system of claim 1, further comprising a massage device for massaging the treated area. The system according to claim 1, wherein the gel is applied to the treated area, the gel being designed to facilitate the transmission of ultrasonic waves and the application of interference electrical stimulation. The system according to claim 1, in which the working intensity of the ultrasonic waves is from 0.5 W / cm to 3 W / cm. The system of claim 1, wherein the operating frequency of the ultrasonic waves is from 1 MHz to 4 MHz. The system of claim 1, wherein the working intensity of the ultrasonic waves changes during the processing session. The system of claim 1, wherein the operating frequency of the interference electrical stimulation is from 5 Hz to 150 Hz. The system of claim 1, wherein the working intensity of the interference electrical stimulation is from 5 mA to 90 mA. The system of claim 1, wherein the alternating currents of interference electrical stimulation comprise adjustable parameters selected from the group consisting of a frequency parameter, an amplitude-modulated frequency parameter, a spectrum parameter, a rotation parameter, a radiation parameter, and a pause parameter. The system of claim 1, c1. Система обработки для облегчения заживления кожной язвы на обрабатываемом участке тела, содержащая:ультразвуковое устройство, предназначенное для передачи ультразвуковых волн на обрабатываемый участок, иустройство электрической стимуляции, предназначенное для применения интерференционной электрической стимуляции к обрабатываемому
