Expandable medical device with openings for delivery of multiple beneficial agents
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United States of America Patent
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N/A
Issued Date -
Jul 1, 2004
app pub date -
Sep 22, 2003
filing date -
Sep 20, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An expandable medical device includes a plurality of elongated struts, forming a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter. A plurality of different beneficial agents can be loaded into different openings within the struts for delivery to the tissue. For treatment of specified conditions such as edge effect restenosis or for improved spacial distribution of the delivered beneficial agent, different beneficial agents are loaded into different openings in the device in a predefined pattern. The different beneficial agents may include one or more different drugs, the same drugs in different concentrations or with different erosion rates, or different forms of the same drug.
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