<http://webisa.webdatacommons.org/prov/351117991>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/72394860> .
<http://webisa.webdatacommons.org/72394860>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/72394860>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/72394860>	<http://www.w3.org/ns/prov#value>	"The central lumen 20 is used as a working channel for performing a medical procedure such as a surgical procedure, drug delivery, tissue sampling, or the like." .