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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 12029502 B1

PDFFull Text
Date of Patent:
Jul. 09, 2024

Filed:

Dec. 02, 2021

Surgical tool calibration

Applicant:

Claronav Inc., North York, CA;

Inventors:

Doron Dekel, Toronto, CA;

Arish Qazi, Oakville, CA;

Assignee:

CLARONAV INC., North York, CA;

Attorney:

Bereskin & Parr LLP/S.E.N.C.R.L., s.r.l.

Primary Examiner:

Joel F Brutus

Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 34/20 (2016.01); G06T 7/00 (2017.01); G06T 7/30 (2017.01); G06T 7/70 (2017.01); G06V 10/20 (2022.01); G06V 10/22 (2022.01); G06V 20/50 (2022.01); H04N 23/90 (2023.01);
U.S. Cl.
CPC ...
A61B 34/20 (2016.02); G06T 7/0014 (2013.01); G06T 7/30 (2017.01); G06T 7/70 (2017.01); G06V 10/22 (2022.01); G06V 10/255 (2022.01); G06V 20/50 (2022.01); H04N 23/90 (2023.01); G06T 2200/04 (2013.01); G06T 2207/30004 (2013.01); G06V 2201/034 (2022.01);
Abstract

A system and method of operating a surgical navigation system to determine the location of a point of interest (POI) in a 3D coordinate frame of a surgical tool (tool frame) using a calibrated imaging device to capture an image of a portion of the surgical tool's surface the calibrated imaging device having calibration data that enables a processor of the surgical navigation system to map from a 2D location in the image to a projection line in a 3D coordinate frame of the imaging device (image frame). The system is operated to determine a mapping between an image frame and a tool frame. The processor is operated to determine the location of the POI in the tool frame based on the image and the mapping between the image frame and the tool frame.

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