Percutaneous Catheter Introducer Set, VNUS Medical Technologies Cath Shth Intro 7F x 7cm, catalog number IS-7F07, Disposable, Single Use, Do Not Re-sterilize, Manufactured in USA for VNUS, 5799 Fontanus Way, San Jose CA 95138 USA; General: 408-360-7200. || For catheter exchange or placement of closed end catheters utilizing the Desilets-Hoffman technique.