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:
Feb. 25, 2025
Filed:
Mar. 08, 2021
Applicant:
Varian Medical Systems, Inc., Palo Alto, CA (US);
Inventors:
Ross B Hannibal, Saratoga, CA (US);
Paul Baturin, Santa Clara, CA (US);
David Schaal, Sunnyvale, CA (US);
Assignee:
VARIAN MEDICAL SYSTEMS, INC., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N 5/10 (2006.01); A61B 90/10 (2016.01); G21K 1/04 (2006.01);
U.S. Cl.
CPC ...
A61N 5/1045 (2013.01); A61N 5/1084 (2013.01);
Abstract
An apparatus includes a first multileaf collimator comprising a plurality of pairs of beam-blocking leaves each comprising an end portion. The end portions of the beam-blocking leaves of one pair are contoured to allow forming a first aperture when the beam-blocking leaves of the pair are closed. The first aperture has a closed shape such as a circle in a beam's eye view.