Compact low-cost fiberless diffuse speckle contrast flow-oximeter

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United States of America Patent

PATENT NO 10842422
APP PUB NO 20180020962A1
SERIAL NO

15655988

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Abstract

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A low-cost compact fiberless diffuse speckle contrast flowmeter includes a small laser diode and a 2-dimensional imaging device such as a charge coupled device (CCD) or complementary metal oxide semiconductor (CMOS) for directly contacting the tissue and measuring a parameter such as blood flow in a deep/thick volume of tissue (up to 10 mm depth). The small laser diode is fixed at a certain distance (0 to 20 mm) from the imaging device and directly contacts the tissue. Light emitted from the laser diode penetrates through the tissue and reflects back to the imaging device without passing through any lenses or fibers. One or more additional laser diodes may be added for producing light at different wavelengths, and the combination of measurements taken by the imaging device at the different wavelengths allows for measuring additional parameters, such as both blood flow and blood oxygenation.

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Patent Owner(s)

  • UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hastings, Jeffrey Todd Lexington, US 9 10
Huang, Chong Lexington, US 152 263
Yu, Guoqiang Lexington, US 23 359

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