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:
Jun. 02, 2026

Filed:

Jan. 16, 2023
Applicant:

Stryker European Operations Limited, Carrigtwohill, IE;

Inventors:

Florian Herrmann, Schwanau, DE;

Emeric Umbdenstock, Freiburg, DE;

Fadi Ghanam, Schallstadt, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 34/20 (2016.01); G16H 30/20 (2018.01); G16H 40/67 (2018.01);
U.S. Cl.
CPC ...
A61B 34/20 (2016.02); G16H 30/20 (2018.01); G16H 40/67 (2018.01); A61B 2034/2048 (2016.02); A61B 2034/2055 (2016.02);
Abstract

A technique for determining a need for a re-registration of a patient tracker with medical image data of a patient is presented. The patient tracker comprises an acceleration sensor configured to generate inertial data indicative of an acceleration of the patient tracker. A method implementation of the technique comprises the following steps performed by a processor: receiving inertial data acquired by the acceleration sensor, analyzing the received inertial data, or data derived therefrom, with respect to at least one first predetermined condition indicative of a drift of the tracker or an impact on the tracker, and generating, when the at least one first predetermined condition is fulfilled, at least a first re-registration signal.


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