Irrigated ablation electrode assembly having a polygonal electrode
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jun 25, 2009
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2007
priority date (Note) -
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Abstract
An irrigated ablation electrode assembly includes a substantially polygonal shaped electrode. The electrode assembly includes a proximal portion having an outer body portion including an outer distal end surface and an inner cavity within the outer body portion. The proximal portion of the electrode assembly further includes at least one passageway for fluid that extends from the inner cavity of the proximal member to the outer distal end surface of the proximal member. The electrode assembly further includes a distal portion defined by a substantially polygonal shaped body. Irrigation fluid flows from the inner cavity of the proximal portion through the passageway and out an orifice provided on the outer distal end surface of the proximal portion. The fluid that exits the passageway flows substantially parallel to the distal portion, therein improving the irrigation of the electrode.
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