FLEXIBLE MICROWAVE CATHETERS FOR NATURAL OR ARTIFICIAL LUMENS

Title:

FLEXIBLE MICROWAVE CATHETERS FOR NATURAL OR ARTIFICIAL LUMENS

Document Type and Number:

WIPO Patent Application WO/2012/139135

Kind Code:

A3

Abstract:

A microwave delivery device, including a coaxial feedline having an inner conductor, an inner dielectric insulator coaxiaily disposed about, the inner conductor, and an outer conductor coaxially disposed about, the inner dielectric, and a radiating portion operably coupled to a distal end. The radiating portion includes a radiating portion inner conductor operable coupled to and extending from a distal end of the coaxial feedline inner conductor, a shielding outer conductor helically wrapped about the radiating portion inner conductor and operably coupled to the coaxial feedline outer conductor; and a shielding dielectric positioned between the radiating portion inner conductor and the shielding outer conductor wherein the width of the shielding outer conductor varies according to the longitudinal position thereof along the coaxial.feedline inner conductor, and a cap operably coupled to a distal end of the radiating portion inner conductor and the shielding outer conductor to provide an electrical connection therebetween.

Inventors:

BRANNAN JOSEPH D (US)

Application Number:

PCT/US2012/032818

Publication Date:

January 17, 2013

Filing Date:

April 09, 2012

Export Citation:

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Assignee:

VIVANT MEDICAL INC (US)
BRANNAN JOSEPH D (US)

International Classes:

A61B18/18; A61M25/01; A61N5/00

Domestic Patent References:

WO1994016632A1

1994-08-04

Foreign References:

US5370644A	1994-12-06
US20050215942A1	2005-09-29
US20070027385A1	2007-02-01
EP2147651A1	2010-01-27

Other References: