Biocompatible polymeric contrast agents and radiopaque materials for medical devices
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United States of America Patent
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Jun 12, 2012
Grant Date -
Nov 6, 2008
app pub date -
Mar 19, 2008
filing date -
Mar 18, 2005
priority date (Note) -
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Abstract
In accordance with the present invention, a high intensity radiopaque contrast agent is disclosed. The agent may be coated on or incorporated within bulk materials, which may then be subsequently utilized to fabricate a radiopaque medical device. Primary effects through chemistry include higher radiopaque concentrations per unit weight of the radiopaque element or agent. Secondary effects include selective placement of the radiopaque elements which may further enhance the radiopacity of the device with reduced requirements of the radiopaque agent. Such a radiopaque contrast agent may be produced in various forms such as a dendrimer and/or incorporated as the end groups of polymeric chain. In addition one can incorporate biological and/or pharmaceutical agents in combination with the present invention.
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