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. 01, 2025

Filed:

Aug. 02, 2022
Applicant:

Point Robotics Medtech Inc., Hsinchu County, TW;

Inventor:

Chia-Ho Yen, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 34/20 (2016.01); A61B 34/10 (2016.01); A61B 34/30 (2016.01);
U.S. Cl.
CPC ...
A61B 34/20 (2016.02); A61B 34/30 (2016.02); A61B 2034/107 (2016.02); A61B 2034/2055 (2016.02);
Abstract

A navigation method and a navigation system for a surgical instrument are provided. The navigation method includes: setting a predetermined surgical path; measuring a position and an orientation of the surgical instrument through a positioning unit, in which the surgical instrument has a transmission mechanism and an operating end; measuring a stress condition of the operating end of the surgical instrument by a force sensor; calculating first deformation information, induced due to the stress condition, of the surgical instrument according to a force deformation model; calculating a compensation amount according to the first deformation information and the measured position and orientation of the surgical instrument; and adjusting the surgical instrument to a new position or orientation according to the compensation amount, so as to maintain the surgical instrument on the predetermined surgical path.


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