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:
Sep. 01, 2009
Filed:
Mar. 16, 2001
Charles A. Mistretta, Madison, WI (US);
Yousef Mazaheri, Madison, WI (US);
Timothy J. Carroll, Chicago, IL (US);
Jiang Du, Madison, WI (US);
Charles A. Mistretta, Madison, WI (US);
Yousef Mazaheri, Madison, WI (US);
Timothy J. Carroll, Chicago, IL (US);
Jiang Du, Madison, WI (US);
Wisconsin Alumni Research Foundation, Madison, WI (US);
Abstract
A magnetic resonance angiogram (MRA) is acquired using a contrast enhancement method in which a series of NMR images are rapidly acquired during a time resolved phase of the examination in which the contrast bolus makes a first pass through the arteries and veins. Arterial and venous voxels are automatically identified in the images using either of two disclosed methods. The signals from identified arterial voxels are used to produce an arterial contrast enhancement reference curve that is used to segment arterial voxels by a correlation process. Venous voxels are segmented in the same manner using a calculated venous contrast enhancement reference curve.