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.:
Date of Patent:
Oct. 28, 2025
Filed:
Aug. 11, 2022
Fujifilm Corporation, Tokyo, JP;
Shin Hamauzu, Kanagawa-ken, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A processor acquires a first radiographic image and a second radiographic image obtained by irradiating a subject, into which a tracheal tube has been inserted, with radiation in different directions, derives a three-dimensional position of a distal end of the tracheal tube in the subject on the basis of a position of the distal end of the tracheal tube in each of the first radiographic image and the second radiographic image, derives a three-dimensional position of a bronchial bifurcation in the subject on the basis of a bronchial bifurcation position in each of the first radiographic image and the second radiographic image, and determines insertion of the tracheal tube into an esophagus on the basis of the three-dimensional position of the distal end of the tracheal tube and the three-dimensional position of the bronchial bifurcation.