Stent with variable wall thickness

Details Stent with variable wall thickness Stent with variable wall thickness

A - Human Necessities

61

F

A61F 2/90 (2006.01)

Patent

CA 2304325

A stent is made flexible along its length. The stent initially starts as a metal sheet. It is rolled in its central region to a specified wall thickness. Thereafter, the stent is photochemically etched to produce the desired cell pattern of the design of the stent. Then, the stent is folded and the metal is joined to give rise to a stent with multiple wall thickness. For instance, larger wall thicknesses at the end of the stent versus smaller wall thicknesses at its center. Various other possible manufacturing methods are useful with respect to this stent. The stent can also be produced in an initial tube shape. The tube can be etched several times to get varying wall thickness.

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