A double-structured tissue implant (DSTI) and a method for preparation and
use thereof for implantation into tissue defects. The double-structured
tissue implant for differentiation, growth and transformation of cells,
stem cells, mesenchymal stem cells and bone marrow stem cells. DSTI
comprising a primary scaffold and a secondary scaffold consisting of a
soluble collagen solution in combination with a non-ionic surfactant
generated and positioned within the primary scaffold.