About: http://webisa.webdatacommons.org/116604830

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 conical sleeve 118 acts as a seal to prevent passage of fluids thereby and tightly engages the trocar or other surgical instrument.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr