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.

Date of Patent:
Oct. 27, 2026

Filed:

Mar. 22, 2022
Applicant:

The Johns Hopkins University, Baltimore, MD (US);

Inventors:

Jeffrey H. Siewerdsen, Baltimore, MD (US);

Alejandro Sisniega, Baltimore, MD (US);

Assignee:

The Johns Hopkins University, Baltimore, MD (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 6/00 (2024.01); A61B 6/04 (2006.01); A61B 6/46 (2024.01); A61B 6/50 (2024.01); G06T 7/00 (2017.01); G06T 7/30 (2017.01); G16H 30/40 (2018.01);
U.S. Cl.
CPC ...
A61B 6/5264 (2013.01); A61B 6/0407 (2013.01); A61B 6/4441 (2013.01); A61B 6/463 (2013.01); A61B 6/469 (2013.01); A61B 6/481 (2013.01); A61B 6/504 (2013.01); G06T 7/0016 (2013.01); G06T 7/30 (2017.01); G16H 30/40 (2018.01); G06T 2200/04 (2013.01); G06T 2207/10116 (2013.01); G06T 2207/20081 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/20224 (2013.01); G06T 2207/30101 (2013.01);
Abstract

An angiography system includes a table supporting a subject, configured to: receive, from a 2D X-ray imaging system, contrast-enhanced 2D data of a region of the subject's body, a contrast-enhanced 2D data corresponding to a position and orientation of the X-ray imaging system relative to the region; receive, from a three dimensional (3D) X-ray imaging system, 3D data of the region acquired prior to administration of the contrast agent; generate, from the 3D data, a 2D mask of the region with simulated noncontrast-enhanced 2D data that corresponds to the position and orientation of the X-ray imaging system relative to the region; generate a vasculature image of the region by subtracting the contrast-enhanced 2D data from the 2D mask; and provide the vasculature image on the display.


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Siewerdsen, Jeffrey. (2026). Motion correction for digital subtraction angiography (U.S. Patent No. 12773177). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12773177

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