<http://webisa.webdatacommons.org/prov/123277556>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/290976686> .
<http://webisa.webdatacommons.org/290976686>	<http://www.w3.org/ns/prov#value>	"In one embodiment of the invention, the retaining member is a two-piece protective cover movable between the closed and open positions, with the protective cover being in the closed position so as to surround and block the endoscopic tool from being deployed." .
<http://webisa.webdatacommons.org/290976686>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/290976686>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .