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:
Jul. 08, 2025

Filed:

Jan. 02, 2024
Applicants:

Siemens Healthineers Ag, Forchheim, DE;

King's College London, London, GB;

Inventors:

Grzegorz Kowalik, London, GB;

Radhouene Neji, London, GB;

Reza Razavi, Northwood, GB;

Kuberan Pushparajah, London, GB;

Sebastien Roujol, Kingston upon Thames, GB;

Assignees:

Siemens Healthineers AG, Forchheim, DE;

King's College London, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 34/20 (2016.01); A61B 5/055 (2006.01); G01R 33/56 (2006.01);
U.S. Cl.
CPC ...
A61B 34/20 (2016.02); A61B 5/055 (2013.01); G01R 33/5607 (2013.01); A61B 2034/2051 (2016.02); A61B 2034/2065 (2016.02);
Abstract

A method and a magnetic resonance tomography unit for tracking a medical instrument are disclosed. In the method, a tracking volume is defined enclosing a predefined trajectory of the medical instrument. Two-dimensional (2D) projection images of the tracking volume in presence of the medical instrument are acquired with the magnetic resonance tomography unit from two different view angles. Reference 2D images for the two view angles are determined and a background of the 2D projection images is suppressed. Two sets of 2D coordinates of the medical instrument are extracted from the two 2D projection images and combined to a 3D coordinate set and output on a display.


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