Fluid-assisted medical devices, systems and methods
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United States of America Patent
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Dec 25, 2007
Grant Date -
Mar 31, 2005
app pub date -
Dec 11, 2002
filing date -
Dec 12, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A medical device (5) is provided which comprises a catheter tube having a distal end and a lumen, and configured to assist in applying tamponage to a bleeding source in a gastrointestinal tract when flexed. A catheter tip having a catheter tip outer surface is assembled with the tube adjacent the distal end of the tube. The catheter tip comprises a probe body comprising an electrically insulative material, at least one electrode pair located on the probe body which comprises a first electrode spaced from a second electrode, and a fluid distribution manifold to direct a fluid from inside the probe body towards the tip outer surface. The manifold comprises a central passage within the probe body and a plurality of lateral passages which extend from the central passage towards the tip outer surface. An extendable injection needle is housed within the central passage to provide treatment to tissue.
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