US 12,405,335 B2
Daily MRgRT QA phantom
Enzo Antonio Barberi, London (CA); and David John Munro Miller, London (CA)
Assigned to MODUS MEDICAL DEVICES INC., London (CA)
Filed by MODUS MEDICAL DEVICES INC., London (CA)
Filed on Apr. 24, 2020, as Appl. No. 16/857,579.
Claims priority of provisional application 62/839,237, filed on Apr. 26, 2019.
Prior Publication US 2020/0341104 A1, Oct. 29, 2020
Int. Cl. G01R 33/58 (2006.01); A61B 5/055 (2006.01); G01R 33/36 (2006.01)
CPC G01R 33/58 (2013.01) [A61B 5/055 (2013.01); G01R 33/3671 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A MRI quality assurance phantom, comprising a base and a vertical body mounted on the base, the vertical body having a housing made of a MRI invisible material and enclosing a sealed reservoir filed with a MRI signal producing material, wherein the vertical body has a generally planar external face with a plurality of attachment points thereon for attachment of one or more accessories to the exterior of the face of the vertical body at one or more of a plurality of known positions relative to the vertical body, wherein the housing has parallel and generally planar interior walls defining a generally disc-shaped sealed reservoir with a diameter and a thickness less than the diameter and the interior walls having one or more defined structures formed thereon.