Stent having variable properties and method of its use

Details Stent having variable properties and method of its use Stent having variable properties and method of its use

2008-07-22

2008-07-22

Gherbi, Suzette J (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent structure

Reexamination Certificate

active

11356750

ABSTRACT:
A stent and method of its use, the stent in its expanded configuration, exhibiting varying outward radial force along its length. In use, the expanded stent is of a tapered configuration which provides greater force in vessel regions requiring greater force and less force in regions requiring less. In particular the stent is useful in the ostium regions and at areas of bifurcation in vessels. Varying force over the length of the stent is achieved by varying the number of elements, the density of elements, the thickness of the elements making up the stent body, and maintaining a substantially metal to artery ratio in the expanded stent over its length.

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“Handbook of Bioengineering” Chapter 21, Fluid Mechanics in Atherosclerosis, By Richard Shaloh & Shu Chin, McGraw-Hill Book Company, 1987.

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