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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.:

US 12484869 B1

PDFFull Text
Date of Patent:
Dec. 02, 2025

Filed:

Nov. 02, 2021

Kalman filter framework to estimate 3d intrafraction motion from 2d projection

Applicant:

Seetreat Pty Ltd, Greenwich, AU;

Inventors:

Doan Trang Nguyen, New South Wales, AU;

Paul Keall, New South Wales, AU;

Ricky O'Brien, New South Wales, AU;

Assignee:

SeeTreat PTY Ltd., Greenwich, AU;

Attorney:

Schwegman Lundberg & Woessner, P.A.

Primary Examiner:

Scott A Rogers

Int. Cl.
CPC ...
A61B 6/46 (2024.01); A61B 6/00 (2024.01); A61N 5/10 (2006.01); G06T 7/00 (2017.01); G06T 7/277 (2017.01); G06T 7/70 (2017.01);
U.S. Cl.
CPC ...
A61B 6/466 (2013.01); A61B 6/5217 (2013.01); A61B 6/5264 (2013.01); A61N 5/1037 (2013.01); A61N 5/1049 (2013.01); A61N 5/1067 (2013.01); G06T 7/0012 (2013.01); G06T 7/277 (2017.01); G06T 7/70 (2017.01); A61B 2576/00 (2013.01); G06T 2207/10116 (2013.01); G06T 2207/30081 (2013.01);
Abstract

An iterative Kalman Filter method was developed to address the need for estimating randomly moving targets during cancer radiotherapy on a standard equipped linear accelerator. Extensive evaluation of this method using different treatment scenarios shows sub-mm accuracy and precision. In addition, the system and method allows the target (or surrogates of the target) to be monitored without the need of a learning arc, reducing additional imaging dose to the patient. In addition, the method and system performs robustly against imaging and segmentation noise.

Find Patent Forward Citations

Nguyen, Doan. (2025). Kalman filter framework to estimate 3d intrafraction motion from 2d projection (U.S. Patent No. 12484869). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12484869

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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