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.

Date of Patent:
Sep. 14, 2021

Filed:

May. 09, 2018
Applicant:

Purdue Research Foundation, West Lafayette, IN (US);

Inventors:

Brian Zahler Bentz, West Lafayette, IN (US);

Kevin John Webb, West Lafayette, IN (US);

Timothy Cheng-Hsien Wu, San Mateo, CA (US);

Vaibhav Gaind, Fremont, CA (US);

Assignee:

Purdue Research Foundation, West Lafayette, IN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2017.01); A61B 5/00 (2006.01); A61B 1/04 (2006.01);
U.S. Cl.
CPC ...
A61B 5/489 (2013.01); A61B 5/0077 (2013.01); A61B 1/043 (2013.01); A61B 5/0059 (2013.01); G06T 7/0012 (2013.01); G06T 2207/30101 (2013.01);
Abstract

Methods for locating blood vessels, lesions, and other discontinuities in tissue such as, but not limited to, the greater palatine artery (GPA) in the hard palate using an optical imaging process, surgical procedures utilizing the identified locations of discontinuities, and devices suitable for use during surgical procedures. According to one aspect, such a method locates a blood vessel or lesion in tissue by imaging the tissue via a diffuse optical imaging (DOI) process that measures light that travels through the tissue, and then locates the blood vessel or lesion in the tissue based on a difference in absorption of the light between the tissue and the blood vessel or lesion.


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