Bioabsorbable stent with layers having different degradation...

Details Bioabsorbable stent with layers having different degradation... Bioabsorbable stent with layers having different degradation...

2008-02-25

2011-11-15

Aughenbaugh, Walter B (Department: 1782)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035700, C623S001380, C623S001440, C623S001490

Reexamination Certificate

active

08057876

ABSTRACT:
A bioabsorbable stent including a stent scaffolding formed from polymer layers with different degradation rates is disclosed. The polymer layers include an abluminal layer, a luminal layer, and optionally one or more middle layers. A degradation rate of the layers increases from the luminal layer to the abluminal layer.

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International Search Report for PCT/US2009/033686 mailed Apr. 16, 2010, 7 pgs.
U.S. Appl. No. 11/007,944, filed Dec. 8, 2004, Gale et al.

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