FLEXIBLE EXPANDABLE STENT Russian patent published in 2001 - IPC

FIELD: medicine, in particular, stents implanted in living organisms. SUBSTANCE: the stent is made of a figured tube. The tube figure consists of the first and second sinuous figures, whose axes are arranged in the first and second directions. The first sinuous figures may be formed of even and odd sinuous figures. The even and odd sinuous figures are phase-shifted relative to each other by 180 deg., the odd figures are positioned between each two even ones. The second sinuous figures are interlaced with the first sinuous figures. The mentioned first and second directions may be mutually perpendicular. The second sinuous figures may also be formed of even and odd figures. EFFECT: minimized contraction in the longitudinal direction during expansion. 21 cl, 9 dwg