About: http://webisa.webdatacommons.org/135314379

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	The rigid outer cannula is used to maneuver the extractor near the object to be removed, so that the retrieval assembly, whether basket, jaws, scissors, or grasper or other retrieval device, may be used to remove the object.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com