Intra-aortic renal drug delivery catheter
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United States of America Patent
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Jan 27, 2009
Grant Date -
Apr 1, 2004
app pub date -
Apr 23, 2003
filing date -
Nov 28, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A catheter for delivering a therapeutic or diagnostic agent to a branch blood vessel of a major blood vessel, generally comprising an elongated shaft having at least one lumen in fluid communication with an agent delivery port in a distal section of the shaft, an expandable tubular member on the distal section of the shaft, and a radially expandable member on the tubular member. The tubular member is configured to extend within the blood vessel up-stream and down-stream of a branch vessel, and has an interior passageway which is radially expandable within the blood vessel to separate blood flow through the blood vessel into an outer blood flow stream exterior to the tubular member and an inner blood flow stream within the interior passageway of the tubular member.
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