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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 12253681 B1

PDFFull Text
Date of Patent:
Mar. 18, 2025

Filed:

Dec. 22, 2022

Surgical navigation system, and imaging method of the same

Applicant:

Taiwan Main Orthopaedic Biotechnology Co., Ltd., Taichung, TW;

Inventor:

Min-Liang Wang, Taichung, TW;

Assignee:

TAIWAN MAIN ORTHOPAEDIC BIOTECHNOLOGY CO., LTD., Taichung, TW;

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

Hai Tao Sun

Int. Cl.
CPC ...
A61B 34/20 (2016.01); A61B 90/00 (2016.01); G02B 27/01 (2006.01); G06T 7/70 (2017.01); G06T 11/00 (2006.01); G06V 10/143 (2022.01); G06V 10/147 (2022.01); G06V 20/20 (2022.01); H04N 23/50 (2023.01); H04N 23/90 (2023.01); A61B 17/00 (2006.01); A61B 90/50 (2016.01); A61B 90/57 (2016.01);
U.S. Cl.
CPC ...
G02B 27/0176 (2013.01); A61B 34/20 (2016.02); A61B 90/37 (2016.02); G02B 27/0172 (2013.01); G06T 7/70 (2017.01); G06T 11/00 (2013.01); G06V 10/143 (2022.01); G06V 10/147 (2022.01); G06V 20/20 (2022.01); H04N 23/50 (2023.01); H04N 23/90 (2023.01); A61B 2017/00486 (2013.01); A61B 2034/2057 (2016.02); A61B 2034/2065 (2016.02); A61B 2034/2072 (2016.02); A61B 2090/365 (2016.02); A61B 2090/373 (2016.02); A61B 2090/502 (2016.02); A61B 2090/5025 (2016.02); A61B 2090/571 (2016.02); G02B 2027/0138 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0141 (2013.01); G02B 2027/0178 (2013.01); G06T 2210/41 (2013.01); G06V 2201/034 (2022.01);
Abstract

A surgical navigation system includes a first tracking unit, a second tracking unit and a processing unit. The first tracking unit captures a first infrared image of a position identification unit that includes a reference target fixed on a patient and an instrument target disposed on a surgical instrument. The second tracking unit captures a second infrared image of the position identification unit. The processing unit performs image recognition on the first and second infrared images with respect to the position identification unit, and uses, based on a result of the image recognition, a pathological image and one of the first and second infrared images to generate an augmented reality image. When both the first and second images have both the reference target and the instrument target, one of the first image and the second image with a higher accuracy is used to generate the augmented reality image.

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