Adjustable multi-balloon local delivery device
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United States of America Patent
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Jun 10, 2003
Grant Date -
N/A
app pub date -
Dec 1, 2000
filing date -
Dec 2, 1999
priority date (Note) -
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Abstract
The present invention pertains to a local delivery device comprising a distal catheter unit and a proximal catheter unit which may be positioned by sliding over the distal catheter unit. Both the distal and the proximal catheter units have separate inflatable occluding balloons. The slidable positioning of the catheter units in relation to each other provides for variable inter-balloon distances, which in turn provides for a variably sized occlusion region in a hollow tubular organ, for example a vessel. Dispersed on the catheter shaft between the two occluding balloons are multiple infusion ports through which therapeutic agents may be delivered to an occluded region of a hollow tubular organ. The local delivery device may further comprise a quantifying device for determining the distance between the two occluding balloons. Therefore, precise adjustment of the inter-balloon distance permits controlled delivery of therapeutics to a discreet length of the hollow tubular organ wall.
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