About: http://webisa.webdatacommons.org/102115154

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 one variation, not shown, the catheter is equipped with a centering means, such as a balloon, so the catheter will travel down the center of the body lumen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com