The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2001
Filed:
Oct. 23, 1998
Dany Berube, Fremont, CA (US);
Robert E. Woodard, Hayward, CA (US);
Theodore C. Ormsby, Milpitas, CA (US);
AFx, Inc., Fremont, CA (US);
Abstract
A directional reflective shield assembly (,) is provided for a microwave ablation instrument (,) having an antenna (,) coupled to a transmission line (,). The antenna (,) is formed to generate an electric field sufficiently strong to cause tissue ablation. The shield assembly (,) includes a cradle device (,) disposed about the antenna (,) in a manner substantially shielding a surrounding area of the antenna (,) from the electric field radially generated therefrom. The cradle device (,) further provides a window portion (,) communicating with the antenna (,) which is strategically located relative the antenna to direct a majority of the field generally in a predetermined direction.