About: http://webisa.webdatacommons.org/152173538

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 heads of the screws and can rotate those screw heads to receive a rod, wire, plate, or other connecting implant.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com