About: http://webisa.webdatacommons.org/390383327

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	A ratchet mechanism, or other locking mechanism will be disposed in the handle of the dilator for allowing the physician to maintain the body cavity at any desired degree of dilation when hands-free operation is desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com