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:
Jul. 03, 2012
Filed:
Sep. 21, 2006
Alain L. Fymat, Rancho Mirage, CA (US);
Max Harry Weil, Rancho Mirage, CA (US);
Wanchun Tang, Palm Desert, CA (US);
Joe Bisera, Camarillo, CA (US);
Giuseppe Ristagno, Palm Springs, CA (US);
Alain L. Fymat, Rancho Mirage, CA (US);
Max Harry Weil, Rancho Mirage, CA (US);
Wanchun Tang, Palm Desert, CA (US);
Joe Bisera, Camarillo, CA (US);
Giuseppe Ristagno, Palm Springs, CA (US);
Institute of Critical Care Medicine, Rancho Mirage, CA (US);
Abstract
An image is created of blood circulation deep (e.g. a plurality of millimeters) below the surface of living tissue to aid in evaluating a patient. A first beam () of circularly polarized light is directed forwardly (F) against an outer surface () of the tissue. Light that has penetrated to only a shallow depth before moving rearwardly and out of the tissue remains polarized and is blocked by a filter (). Light that has penetrated to greater depths (), is scattered more and becomes depolarized, and a portion of it passes through the depolarizing filter () and is focused on a photodetector () to create an image. Light spots () on the image that move, represent spaces between blood platelets () that are moving through a capillary, and indicates the velocity of blood through the capillary.