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:
Dec. 02, 2025
Filed:
Feb. 02, 2024
Applicant:
Varian Medical Systems, Inc., Palo Alto, CA (US);
Inventor:
Alois Regensburger, Poxdorf, DE;
Assignee:
Varian Medical Systems, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 6/00 (2024.01); A61B 6/12 (2006.01); A61B 6/42 (2024.01); A61B 6/50 (2024.01); A61K 49/04 (2006.01); G16H 20/40 (2018.01);
U.S. Cl.
CPC ...
A61B 6/12 (2013.01); A61B 6/4241 (2013.01); A61B 6/481 (2013.01); A61B 6/504 (2013.01); A61B 6/5235 (2013.01); A61K 49/0419 (2013.01); G16H 20/40 (2018.01);
Abstract
A method includes determining a shunt fraction of microbeads by comparing a known ratio of a mixture of smaller microbeads loaded with a first contrast agent to larger microbeads loaded with a second contrast agent changes to a diffused ratio of the smaller microbeads to the larger microbeads after the mixture has been administered to a treatment site.