Catheter system and method for delivery of therapeutic compounds to cardiac tissue
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United States of America Patent
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Sep 21, 2010
Grant Date -
Oct 11, 2007
app pub date -
May 30, 2007
filing date -
Jul 30, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This is a method and an apparatus for the treatment or introduction of contrast fluids into tissue, particularly cardiac tissue. The apparatus includes a catheter having an elongated flexible body and a tissue infusion apparatus including a hollow infusion needle configured to secure the needle into the tissue when the needle is at least partially inserted into the tissue to help prevent inadvertent removal of the needle from the tissue. This permits the selected treatment or contrast fluid to be confined to a specific site. The catheter may also include a visualization assembly including a transducer at the distal end of the body.
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