| http://www.w3.org/ns/prov#value | - an elongated cannula defining a passageway axially extending therethrough, said cannula slidable within the lumen; and an inelastically deformable distal working end having a diameter larger than the smaller diameter of the lumen and defining a channel in communication with said passageway, said working end including a body portion adjacent said cannula and a cutting head having a cutting tip, sai
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