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:
Jan. 23, 2024

Filed:

Oct. 24, 2016
Applicant:

Thornhill Scientific Inc., Toronto, CA;

Inventors:

Joseph Fisher, Thornhill, CA;

Olivia Sobczyk, Etobicoke, CA;

Adrian P. Crawley, Toronto, CA;

Julien Poublanc, Toronto, CA;

Kevin Sam, Toronto, CA;

Daniel M. Mandell, Toronto, CA;

David Mikulis, Oakville, CA;

James Duffin, Toronto, CA;

Assignee:

THORNHILL SCIENTIFIC INC., North York, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/38 (2017.01); A61B 5/00 (2006.01); A61B 5/145 (2006.01); G06T 7/00 (2017.01); G06T 7/11 (2017.01); A61B 5/026 (2006.01); A61B 5/055 (2006.01); A61B 5/0205 (2006.01);
U.S. Cl.
CPC ...
G06T 7/38 (2017.01); A61B 5/0042 (2013.01); A61B 5/0263 (2013.01); A61B 5/14542 (2013.01); G06T 7/0012 (2013.01); G06T 7/11 (2017.01); A61B 5/0205 (2013.01); A61B 5/026 (2013.01); A61B 5/055 (2013.01); A61B 5/4064 (2013.01); A61B 2576/026 (2013.01); G06T 2207/10088 (2013.01); G06T 2207/30016 (2013.01); G06T 2207/30104 (2013.01);
Abstract

Z maps combined with a standardized stimulus in the form of a targeted arterial partial pressures of carbon dioxide provide surprisingly enhanced images for the assessment of pathological CVR. For example, the z-map assessment of patients with known steno-occlusive diseases of the cervico-cerebral vasculature showed an enhanced resolution of the presence, localization, and severity of the pathological CVR. Z-map have been found to be useful to reduce the confounding effects of test-to-test, subject-to-subject, and platform-to-platform variability for comparison of CVR images showing the importance of combining this analysis with the standardized stimulus.


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