About: http://webisa.webdatacommons.org/216923209

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 balloon 32 is filled (in certain embodiments, under pressure) with a suitable fluid, such as air or a saline solution material 33 and is sealed.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com