| http://www.w3.org/ns/prov#value | - There is a need for an apparatus or system including an electrosurgical instrument, such as a catheter or probe, wherein the instrument can be introduced into an intervertebral disc during an endoscopic procedure, and the distal portion of the instrument can be guided to a target site within the disc, wherein the target site can be treated with minimal or no damage to surrounding, non-target tissu
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