Mechanical apparatus and method for dilating and delivering a therapeutic agent to a site of treatment
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United States of America Patent
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Apr 14, 2009
Grant Date -
Dec 30, 2004
app pub date -
Jun 10, 2004
filing date -
Apr 30, 2002
priority date (Note) -
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Abstract
An apparatus for delivering a medicament, such as a liposome or micelle-encapsulated therapeutic agent or medicament, to an obstruction within a vascular segment or a body passageway. The apparatus may include a substantially cylindrically shaped expansion member. A distance between the proximal and distal ends of the expansion member may be altered to transform the expansion member between a diametrically contracted configuration to a diametrically expanded configuration. The liposome or micelle-encapsulated therapeutic agent or medicament can be coated on the expansion member and/or incorporated into a substrate coated on the expansion member.
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