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:
Mar. 17, 1987
Filed:
Dec. 17, 1984
Harold J Vinegar, Houston, TX (US);
Jefferson H Taylor, Dallas, TX (US);
NMR Associates, Ltd. 1983-I, Houston, TX (US);
Abstract
A scan room is disclosed in which a magnetic resonance (MR) imager can be located that will reduce to an acceptable level outside the room the strength of the fringe magnetic fields produced by the imager and that will shield the imager from magnetic, radio frequency electromagnetic, and electric fields outside the room, while allowing the magnet of the imager to be shimmed to produce a sufficient homogeneous field to obtain the desired images. The scan room is rectangular although it could be cylindrical or spherical. Its walls, floor, and ceiling are made of a plurality of steel plate welded together. The thickness of the walls can vary as the distance from the magnet and the permeability of the steel plates varies. A steel door allows patients and medical personnel to enter and leave the room.