Biodegradable drug delivery material for stent

Details Biodegradable drug delivery material for stent Biodegradable drug delivery material for stent

2003-01-10

2008-12-30

Woo, Julian W (Department: 3734)

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

Arterial prosthesis

Having plural layers

C427S002250

Reexamination Certificate

active

07470283

ABSTRACT:
A stent is fabricated utilizing a polymer that is selected for its tendency to degrade from the surface inwardly rather than undergo bulk erosion so as to substantially reduce the risk of large particles becoming detached and being swept downstream. Such polymer is hydrophobic yet has water-labile linkages interconnecting the monomers. Ester or imide bonds are incorporated in the polymer to render the surface degrading materials suitable for use in stent applications. The stent may be coated with such polymer or may be wholly formed therefrom.

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