System and method for forming a non-ablative cardiac conduction block
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United States of America Patent
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Aug 23, 2005
Grant Date -
Jul 22, 2004
app pub date -
Jan 21, 2003
filing date -
Jan 21, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A system forms a cardiac conduction block at a location in a heart of a patient without substantially ablating cardiac tissue. The system includes a delivery system coupled to a source of material that is substantially non-ablative with respect to cardiac tissue. The delivery system delivers the material to the location, and the material at the location forms a conduction block without ablating the cardiac cells there. The material may include living cells, such as for example skeletal myocytes, and/or may include a non-living matter such as biopolymers such as a fibrin glue agent, or collagen agents. An expandable member with needle assembly is used to deliver the material so as to form a non-ablative circumferential conduction block at a location where a pulmonary vein extends from an atrium.
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