(A) Collection of skin sample by Punch 0.3 mm. (B) Collection of micro-grafts obtained after mechanical disaggregation by Rigenera protocol. (C-D) Micrografts injection directly on leg ulcer (C) and on bovine collagen sponge (D). (E-F) Application of collagen combined with micro-grafts on ulcers (E) and application of zinc oxide cream (F).

Figure 1: Collection and application of autologous micro-grafts on leg ulcers.