US 12,458,449 B2
Automatic ablation antenna segmentation from CT image
Qi Tang, Shanghai (CN); Darren G. Girotto, Louisville, CO (US); and Jianxin Ou, Shanghai (CN)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on May 1, 2023, as Appl. No. 18/141,544.
Application 18/141,544 is a continuation of application No. 16/769,677, granted, now 11,638,612, issued on May 2, 2023, previously published as PCT/CN2017/114461, filed on Dec. 4, 2017.
Prior Publication US 2023/0263577 A1, Aug. 24, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 34/20 (2016.01); A61B 18/00 (2006.01); A61B 18/18 (2006.01); A61B 90/00 (2016.01); G06T 7/00 (2017.01); G06T 7/20 (2017.01); G06T 7/70 (2017.01); G06V 20/20 (2022.01)
CPC A61B 34/20 (2016.02) [A61B 18/1815 (2013.01); A61B 90/37 (2016.02); G06T 7/0012 (2013.01); G06T 7/20 (2013.01); G06T 7/70 (2017.01); G06V 20/20 (2022.01); A61B 2018/00577 (2013.01); A61B 2018/1823 (2013.01); A61B 2018/1869 (2013.01); A61B 2034/2065 (2016.02); A61B 2090/3762 (2016.02); A61B 2090/378 (2016.02); G06T 2207/20224 (2013.01); G06T 2207/30241 (2013.01); G06V 2201/034 (2022.01)] 18 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving image data of at least a portion of a patient's body;
identifying, in the image data, a first portion of a percutaneous tool in contact with one or more layers of the patient's skin;
determining, from the image data, a trajectory of a percutaneous tool inserted through the patient's skin based on an angle at which the first portion of the percutaneous tool intersects the one or more layers of the patient's skin;
identifying, based on the determined trajectory of the percutaneous tool and an entry point through the patient's skin of the percutaneous tool, a remaining second portion of the percutaneous tool disposed within the patient's body and excluding the first portion of the percutaneous tool in contact with the one or more layers of the patient's skin; and
displaying the first and second portions of the percutaneous tool on the image data.