Matthew J Hefner

US Patent:

6579298, Jun 17, 2003

Filed:

Feb 29, 2000

Appl. No.:

09/514664

Inventors:

Rodney J. Bruneau - Kirkland WA
Robert L. Barry - Kirkland WA
Tim J. Johnson - Seatac WA
Casey Torrance - Seattle WA
Dennis Werner - Redmond WA
Andy Uhrberg - Monroe WA
Matthew Hefner - Puyallup WA
Zihong Guo - Bellevue WA
Mark Wyzgala - Bellevue WA
Robert Morey - Redmond WA
Natalya Peskin - Redmond WA
Brian T. Cran - Seattle WA

Assignee:

Scimed Life Systems, Inc. - Maple Grove MN

International Classification:

A61B 1722

US Classification:

606159, 606180

Abstract:

A system for ablating material in vein grafts includes an ablation burr that is rotated by a driveshaft. The ablation burr preferably includes one or more channels, blades or other mechanisms that direct ablated material and liquid proximally and/or outwardly against a vessel wall. Aspiration is used to remove ablated material and liquid from the treatment area. Finally, methods for treating vein grafts and original native arteries are disclosed.