About: http://webisa.webdatacommons.org/179046448

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	That is, the sheath is always maintained in the extended position to protect the needle except when the sheath is pressed against the skin, septum or closure which must be pierced to obtain or dispense a medicament or other fluid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca