Hanh T Hoang

US Patent:

7041125, May 9, 2006

Filed:

Jul 1, 2002

Appl. No.:

10/186769

Inventors:

Jason J. Hwang - Seattle WA, US
Marc L. Speck - Temecula CA, US
Hanh V. Hoang - San Jose CA, US

Assignee:

Advanced Cardiovascular Systems, Inc. - Santa Clara CA

International Classification:

A61F 2/06

US Classification:

623 111

Abstract:

A catheter having an elongated shaft formed of a polymeric tube with at least a section having an outer coiled support member wound in a first direction and embedded in the polymeric tube, and an inner coiled support member wound in a second direction opposite to the first direction. In a presently preferred embodiment, the inner coiled support member has coils spaced closer together than coils of the outer coiled support member. In one embodiment, the inner coiled support member is partially embedded in the polymeric tube.