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:
Sep. 30, 2025
Filed:
Jan. 21, 2021
Lawrence Livermore National Security, Llc, Livermore, CA (US);
Stavros Demos, Livermore, CA (US);
Lawrence Livermore National Security, LLC, Livermore, CA (US);
Abstract
The present disclosure relates to a method for visualizing a sub-dermal structure. The method involves illuminating an imaged area of interest (AOI) including sub-dermal regions thereof with near-infrared (NIR) light. The NIR light is passed through a first optical system for controlling at least one of spectral and polarization properties thereof prior to illuminating the imaged AOI. One or more desired optical components of an optical signal reflected back from the imaged area of interest is detected, which represent specific portions of the sub-dermal regions where specific anatomical structure of interest is present. The desired optical components represent a vein visualization signal representing only a portion of the reflected optical signal that falls within a sub-range of intensities, relative to intensities of a remainder of the reflected optical signal. The sub-range of intensities assist in visualizing a vascular structure below a skin layer of a patient. The vein visualization signal may be used to generate a display of the vascular structure on a display system.