About: http://webisa.webdatacommons.org/288116858

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	When put to use, the instrument, such as a surgical retractor, assumes a position at which its operative section lies adjacent the field of medical interest, such as a body cavity or surgical site.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com