About: http://webisa.webdatacommons.org/51776192

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 artificial knee joint according to claim 7, wherein a knee joint is a joint in which posterior cruciate ligament is retained, and an attitude during flexion is controlled by extension of said posterior cruciate ligament. 15.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com