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:
May. 13, 2025
Filed:
Apr. 18, 2023
Accuvein, Inc., Medford, NY (US);
Ron Goldman, Cold Spring Harbor, NY (US);
David Hunt, Cincinnati, OH (US);
Mark Mock, Covington, KY (US);
Graham Marshall, Shoreham, NY (US);
Stephen P. Conlon, Glen Mills, PA (US);
Robert Roth, Cincinnati, OH (US);
ACCUVEIN, INC., Medford, NY (US);
Abstract
A vein imager includes: two photodetectors, a first and second lasers configured to respectively emit an infrared beam of light and a human-visible beam of light; a combiner to coaxially align the two beams; and a scanner that scans the coaxial beam in a pattern and onto a skin surface of a patient. The first photodetector receives the infrared wavelength reflected from the patient as a contrasted image of subcutaneous veins, and surface reflection noise due to skin surface topology, and outputs a first signal representing that contrasted image of subcutaneous veins and noise due to skin surface topology. The second photo detector receives the human-visible wavelength reflected from the skin surface and outputs a second signal representing a contrasted image of the topology. The second signal is subtracted from the first signal to remove the noise, permitting projection of a surface-noise-free vein image onto the skin surface.