Patent ID: 9138334
Filing Date: 2015-09-22
Classification: A61F

Abstract:
1. A medical device comprising a radially compressible and expandable lattice structure, including at least one closed cell delimited by four webs coupled to one another in one piece, of which at least one web is a stabilisation web with a first web width b 1 and at least two further webs are connecting webs with a second web width b 2 , wherein the connecting webs of the cell are arranged parallel to and opposite one another and are connected to one another by a stabilisation web and wherein a ratio b 1 /b 2 between the first web width b 1 and the second web width b 2 is at least 1.2, wherein the lattice structure comprises a plurality of adjacent closed cells, the stabilisation webs of which are connected to one another in an aligned manner such that at least one row of stabilisation webs is formed which is wound in a helical shape around a longitudinal axis of the lattice structure, wherein the connecting webs are substantially S-shaped.