Device and method for stenting

Device for planting an implant (2) in a determined position in a tubular element (51) having a wall comprising a cavity (50, 52), the prepared device (10) to cooperate with drive means (60 ) of the device in the tubular element (51), device characterized in that it comprises deformable tracing means (30, 31, 131) and arranged to, under the control of activating means at a distance (42), move from a folded form to a functional unfolded shape, to detect the cavity (50, 52) and position it with respect to the position thereof.