| abstract |
Module for controlled drug release in the gastrointestinal tract, consisting of a matrix of biocompatible polymers, an active ingredient and excipients generally recognized as safe, said module having one of the following forms: - a cylindrical shape, in which a cylinder base it is concave and the other base is convex, said concave base being able to be adjusted by stacking on the convex base or - a polyhedral shape, in which at least one of the faces of the polyhedron is concave and at least one of the faces is convex, being able to said said at least one concave face being stacked on said at least one convex face. |