Bioresorbable stent
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United States of America Patent
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Jan 26, 2010
Grant Date -
Jun 19, 2008
app pub date -
Dec 15, 2006
filing date -
Dec 15, 2006
priority date (Note) -
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Abstract
A bioresorbable endoluminal prosthesis for placement in a body lumen having a stent substrate of a first metallic material that has a lower electrical potential than a standard reference electrode. The stent substrate is coated with a biodegradable polymer having a second metallic material dispersed therein, wherein the second metallic material has a higher electrical potential than the standard reference electrode. After implantation of the stent within the body lumen, the second metallic material is present in the polymeric coating in a sufficient concentration to cause galvanic corrosion of the first metallic material such that over time the stent substrate is bioresorbed.
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