Expandable medical device for treating cardiac arrhythmias
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United States of America Patent
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N/A
Issued Date -
Dec 9, 2004
app pub date -
Jul 1, 2004
filing date -
Aug 20, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An expandable medical device has a plurality of elongated struts joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter. At least one of the plurality of struts includes at least one opening extending at least partially through a thickness of said strut. A beneficial agent is loaded into the opening within the strut in layers to achieve desired temporal release kinetics of the agent. The beneficial agent can be a chemically ablative agent use to create a lesion to treat atrial fibrillation. A wide variety of delivery profiles can be achieved including zero order, pulsatile, increasing, decrease, sinusoidal, and other delivery profiles.
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