| http://www.w3.org/ns/prov#value | - A method of performing a valvotomy in a vein having a valve comprising a leaflet joined to the vein, the leaflet and the vein forming a valve pocket having an apex, the leaflet including an edge remote from the apex, the method comprising the steps of:providing a valvulotome including:an elongate blade mounting member defining an axis and including a distal portion, and a thin, scythe-shaped cutti
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