About: http://webisa.webdatacommons.org/152760544

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In some preferred embodiments of the present invention, the sheath includes one or more worldling channels, which may be used for suction, irrigation, insulation, passage of surgical tools or other functions known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com