EXPANDABLE MULTI-LAYER TUBULAR STRUCTURE AND PRODUCTION METHOD THEREOF

摘要

The invention relates to a radially expandable multi-layer tubular structure which is intended to be used as a stent and to the production method thereof . The inventive structure comprises an outer layer (1) and an inner layer (2) which are solidly connected to one another. One of the aforementioned layers (2) is provided with hollow channels (3) through the thickness thereof while the other layer is provided with perforations (4). Said channels (3) can be used to alter the mechanical properties of the stent and to house a medicame nt for the local treatment of the vessel in which the stent is disposed.