A medical device includes a tubular support structure having a plurality of ringlets arranged sequentially along a common longitudinal axis thereof, a plurality of long connecting elements and optionally, a plurality of short connecting elements to connect the plurality of ringlets. Each of the plurality of ringlet is formed by of plurality of crowns connected along a circumferential direction, each crown being formed by two straight struts arranged in V-shaped configuration. At least one of the plurality of long connecting elements connects adjacent ringlets. In addition, consecutive long connecting elements connecting adjacent ringlets are to form a mirror-reflection of each other about a radial plane of reflection.
