Soft tissues´ expanders: computer-assisted simulation of elastic mesh deformation and fractal vascular geometries in controlled skin expansion

Using vascular fractal geometries, the coupling between elastic network deformation and vascular branching pattern modification under simulated controlled skin expansion is described. The simulation model is based on two fundamental biological considerations: the organization of the elastic network in meshes of pre-established geometric configuration and the branching distribution of a specific vascular pattern. The model tests the relative role of the elastic organization of the skin, the interrelation between skin tension line orientation and pedicle axis, and the apparently random proliferation of the branching vascular pattern