Catheter for reduced reflux in targeted tissue delivery of a therapeutic agent
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United States of America Patent
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Apr 3, 2012
Grant Date -
Apr 2, 2009
app pub date -
Jun 7, 2008
filing date -
Sep 28, 2007
priority date (Note) -
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Abstract
A therapeutic agent delivery system that includes a catheter having a proximal end and an opposite distal end. The catheter has a body with a lumen defined therein. The body of the catheter includes a non-bulbous region having a substantially uniform outer diameter and a bulbous region made from an elastically deformable material. While in a first state the bulbous region has a maximum outer diameter greater than the substantially uniform outer diameter of the non-bulbous region; and while in a second state the maximum outer diameter of the bulbous region is reduced relative to that while in the first state.
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