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Bioreabsorbable Stent
专利权人:
Albert-Ludwigs-Universität Freiburg
发明人:
HEHRLEIN, Christoph
申请号:
ES14711443
公开号:
ES2625452T3
申请日:
2014.03.13
申请国别(地区):
ES
年份:
2017
代理人:
摘要:
Stent with a tubular reticular structure (3) formed by stent meshes joined together, made entirely of a bioresorbable material and which can be transformed from a first three-dimensional form compressed into a second radially widened tubular three-dimensional form (3) and stably, characterized in that all stent meshes of the tubular reticular structure (3) are composed of a uniform bioreabsorbable material, because the tubular reticular structure (3) comprises at least one surface area (6) of the meshes of stent that is located on a cylindrical sleeve surface (M) assignable to the reticular structure and joined in one piece, being surrounded by stent meshes (2) of the reticular structure (3) that directly and / or indirectly limit the surface area (6), so that the stent meshes (2 ') inside the surface area (6) have a lower mass percentage of bioabsorbable material per length of Pre-established discrete mesh, hereinafter abbreviated by mesh length, that the stent meshes (2) of the reticular structure (3) directly and / or indirectly adjacent to the surface area (6), because the surface area (6) it is surrounded by a virtual perimeter edge (7) that surrounds the surface area (6) or by a perimeter edge itself defined defined by a stent mesh structure and by the percentage of mass of bioabsorbable material per mesh length of the stent meshes (2 ') decreases continuously or gradually inside the surface area (6) with the increase in the distance of stent meshes (2') from the perimeter edge (7) and / or why the stent meshes (2) of the reticular structure (3) that directly and / or indirectly limit the surface area (6) are coated with at least a first layer of bioabsorbable material (9) and the stent meshes (2 ' ) are coated inside the surface area (6) with at least one follow nda layer of bioabsorbable material (10) that can be bioabsorbed in a shorter period of time than the first layer of bioabsorbable material (9) and because one of the thicknesses of the layer assignab
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