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:
Feb. 21, 2023
Filed:
Aug. 05, 2020
The Yoshida Dental Mfg. Co., Ltd., Tokyo, JP;
Naoki Maruyama, Tokyo, JP;
THE YOSHIDA DENTAL MFG. CO., LTD., Tokyo, JP;
Abstract
The present invention addresses the problem of providing a small-sized, low-cost medical optical imaging device capable of irradiating even a deep portion of a dental root canal. Provided is a medical optical imaging device () that is provided with an illumination unit () for emitting illumination light to a subject, an imaging section () for imaging the subject, and a controller () for controlling at least the imaging section (). The imaging section () is provided with an imaging lens system () and an imaging element () for receiving an optical image created by the imaging lens system (). When viewed from the subject side, the illumination unit () is disposed in front of the imaging lens system () and overlapping the imaging lens system ().