| http://www.w3.org/ns/prov#value | - A medical probe device comprising a catheter having a control end and a probe end provided with a stylet port, a flexible stylet slidably mounted in said catheter, the stylet including an electrode enclosed within a non-conductive sleeve, the electrode having a distal length with an outer surface, the distal length having at least one groove formed in the outer surface and a sharp distal tip forme
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