Vivant Medical Announces The Presentation Of New Data Related To Its Microwave Ablation Technology At RSNA 2004

MOUNTAIN VIEW, Calif., Nov. 17 /PRNewswire/ -- Vivant Medical, Inc. announced today that its VivaWave(TM) Microwave Ablation system will be showcased in two scientific papers as well as two education exhibits at the 90th Scientific Assembly and Annual Meeting of the Radiological Society of North America Conference (RSNA), November 28 to December 3, 2004 at McCormick Place in Chicago, IL.

The two education exhibits by Damian Dupuy, MD, Director of Minimally Invasive Therapy and Ultrasound at Rhode Island Hospital, are entitled Microwave Ablation: It's Not Just for Popcorn Anymore and Microwave Ablation of Hepatic Neoplasms: Principles, Case Studies, and Lessons Learned and will be available for viewing throughout the conference in Hall D1 Lakeside Center.

Hayden Head, MD, University of Texas Health Science Center San Antonio, will give a presentation from 3:50-4:00 p.m. on Monday, November 29, 2004 titled: Microwave Ablation with a Multitined Expandable Antenna: In-Vivo Porcine Liver Model. David Lu, MD, UCLA Center for Health Sciences will present "Heat-Sink Effect" of Hepatic Veins on Microwave Coagulation: A Porcine Pilot Study from 11:30-11:40 a.m. on Thursday, December 2, 2004. Both presentations are scheduled to take place at the location E451B.

Rod Young, CEO of Vivant Medical, said, "We are gratified to see these physicians, who have significant experience with radio-frequency ablation and who are now successfully using microwave ablation as the next-generation treatment option, share their experience using Vivant's microwave ablation. We believe that the quality of the presentations and exhibits show a shared excitement about the benefits to both patient and physician in microwave ablation technology."

Information about the presentations and exhibits can be found by going to the RSNA homepage,, and following the link titled "Meeting Program."

About RSNA

RSNA is an association of more than 35,000 radiologists, radiation oncologists and related scientists committed to promoting excellence in radiology through education and by fostering research, with the ultimate goal of improving patient care. The Society is based in Oak Brook, IL.

About Vivant Medical, Inc.

Vivant Medical, Inc. develops novel and proprietary microwave ablation technology for the minimally invasive treatment of benign and cancerous soft tissue tumors. Vivant's next generation VivaWave(TM) system has received FDA 510(k) clearance for the coagulation of soft tissue and the system is in clinical usage at medical centers and university hospitals around the US. The VivaWave Microwave Ablation System is developed to overcome the limitations of current thermal ablation technologies and provides an attractive option for local control and/or pain palliation of unresectable tumors.

The Company's management team has extensive experience in the medical device marketplace. Vivant's founder, Thomas J. Fogarty, MD, first pioneered commercially successful products when he developed a line of balloon-based vascular catheters. Vivant Medical, Inc. is located in Mountain View, California, USA.

CONTACT: Vivant Medical The Ruth Group Alice Jack Janine McCargo Vice President, Marketing and Sales Account Executive 650-694-2900 646-536-7033

Vivant Medical, Inc.

CONTACT: Alice Jack, Vice President, Marketing and Sales of VivantMedical, +1-650-694-2900; or Janine McCargo, AccountExecutive of The Ruth Group, +1-646-536-7033,, forVivant Medical

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