| http://www.w3.org/ns/prov#value | - In some embodiments, an electrically conductive fluid (liquid, gas, or gel) is placed at the target site adjacent to the IMA so as to provide a current flow path between the return electrode and the active electrode. [0014] Apparatus according to the present invention generally include an electrosurgical instrument, such as a probe or catheter, having a shaft with proximal and distal ends, one or
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