About: http://webisa.webdatacommons.org/303641168

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 device is particularly useful for medical procedures such as in...http://www.google.com/patents/US5211370?utm_source=gb-gplus-sharePatent US5211370 - Variable orifice sealing valveAdvanced Patent SearchPublication numberUS5211370 APublication typeGrantApplication numberUS 07/817,390Publication dateMay 18, 1993Filing dateJan 6, 1992Priority dateJan 6, 1992Fee statusLapsedPublication number07817
http://www.w3.org/ns/prov#wasQuotedFrom	google.com