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:
Nov. 03, 2020

Filed:

Apr. 09, 2019
Applicant:

Siemens Healthcare Gmbh, Erlangen, DE;

Inventors:

Liang Zhao, Shanghai, CN;

Esther Raithel, Dormitz, DE;

Yiqiang Zhan, West Chester, PA (US);

Assignee:

Siemens Healthcare GmbH, Erlangen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/107 (2006.01); A61B 5/055 (2006.01); A61B 5/00 (2006.01); G06T 7/00 (2017.01); G06T 17/10 (2006.01); G06T 7/11 (2017.01);
U.S. Cl.
CPC ...
A61B 5/1071 (2013.01); A61B 5/055 (2013.01); A61B 5/4571 (2013.01); A61B 5/7278 (2013.01); G06T 7/0012 (2013.01); G06T 7/11 (2017.01); G06T 17/10 (2013.01); A61B 2576/02 (2013.01); G06T 2207/10088 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/30008 (2013.01);
Abstract

In a method for alpha angle measurements of a bone joint based on magnetic resonance imaging (MRI) data of the bone joint, a three-dimensional (3D) bone surface image of the bone joint is generated based on two-dimensional (2D) segmentations on radial plane slices of the bone joint. Based on the 3D bone surface image, a head center of a head of the bone joint and a neck axis of a neck of the bone joint are estimated. An alpha angle model is constructed based on the estimated head center and neck axis. Further, the alpha angle measurement is determined for each of the radial plane slices of the bone joint based on the constructed alpha angle model.


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