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. 26, 2001
Filed:
Aug. 18, 1999
Dewain A. Purgill, Waukesha, WI (US);
Michael J. Radziun, Waterford, WI (US);
David E. Dean, Hartland, WI (US);
General Electric Company, Waukesha, WI (US);
Abstract
In an MR imaging system provided with a main magnet having a bore and with a gradient coil assembly located within the bore, RF coil apparatus is provided for reducing noise in the imaging volume of the MR system. The RF coil apparatus comprises a tubular RF coil form provided with an inner surface, an RF coil attached to the inner surface of the RF coil form, and mounting structure extending between the RF coil form and gradient coil assembly. The mounting structure supports the RF coil and RF coil form upon the gradient coil assembly, in spaced-apart relationship therewith. The apparatus further compises an inner tubular member which is selectively constructed to oppose transmission of acoustic signals from the RF coil to the imaging volume. The inner tubular member is fixably supported within the main magnet bore so as to be in selected spaced-apart relationship with the RF coil and RF coil form, the inner tubular member substantially enclosing a specified portion of the volume of the bore, which comprises the MR system imaging volume.