Stent having improved stent design

Abstract

A stent is provided having a base body circumscribing a cylindrical shape and radially expandable from a contracted starting position into a dilated support position, including a plurality of meander-shaped struts disposed in the circumferential direction and arrayed on one another in the axial direction, each strut being meander-shaped in its coarse structure and made of a flexible material, and at least one axial connector in the axial direction, connecting the meander-shaped struts of two axially adjacent meandering curves, wherein the at least one axial connector connects the inside radius of a zenith point of a first meandering curve with a second meandering curve, characterized in that the at least one axial connector at the inside radius of the zenith point of the first meandering curve has an at least double-arm structure.

1 . A stent having a base body circumscribing a cylindrical shape and radially expandable from a contracted starting position into a dilated support position, comprising:
 a) a plurality of meander-shaped struts disposed in the circumferential direction and arrayed on one another in the axial direction, each strut being meander-shaped in its coarse structure and made of a flexible material;   b) at least one axial connector in the axial direction, connecting the meander-shaped to struts of two axially adjacent meandering curves;   wherein the at least one axial connector connects the inside radius of a zenith point of a first meandering curve with a second meandering curve;   wherein the at least one axial connector at the inside radius of the zenith point of the first meandering curve has an at least double-arm structure.   
     
     
         2 . The stent according to  claim 1 , wherein the at least double-arm structure has two arms enclosing in the dilated support position an angle in the range of 30° to 180°, optionally in the range of 60° to 180°, optionally in the range of 90° to 180°. 
     
     
         3 . The stent according to  claim 1 , wherein the at least double-arm structure has three arms, wherein one arm, optionally the middle one, runs parallel to the axial direction. 
     
     
         4 . The stent according to  claim 1 , wherein the flexible material is a material selected from the group consisting of metals, metal alloys and polymers. 
     
     
         5 . The stent according to  claim 1 , wherein the flexible material is a biodegradable material. 
     
     
         6 . The stent according to  claim 5 , wherein the biodegradable material is a material selected from the group consisting of magnesium, iron, zinc, tungsten and a metal alloy of any combination thereof.