METHOD AND SYSTEM FOR ASSESSING COLLATERAL BLOOD FLOW TO A TISSUE REGION OF INTEREST

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United States of America Patent

PATENT NO 20030073913
APP PUB NO 20030073913A1
SERIAL NO

09976636

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Abstract

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The present invention is directed to a method and system for use in assessing collateral blood flow to a tissue region of interest (ROI). The method includes the steps of obtaining a first pulsatility measurement and a second pulsatility measurement, wherein one of the pulsatility measurements is obtained with a plurality of arteries supplying blood to the tissue ROI and the other pulsatility measurement is obtained with at least a selected one of such arteries substantially occluded. The method further provides for use of the first and second pulsatility measurements to generate a collateral flow value useful to medical personnel as an objective measure in assessing collateral blood flow to a tissue ROI. The method may further include the step of obtaining a check pulsatility measurement after obtaining a first pulsatility measurement and prior to obtaining a second pulsatility measurement, wherein all of the plurality of the arteries are substantially occluded. The check procedure enhances the reliability of a second pulsatility measurement obtained when a selected one of the arteries is substantially occluded.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DATEX-OHMEDA, INC.MADISON, WI120

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gingrich, Matthew A Boulder, US 2 6
Pologe, Jonas A Boulder, US 14 1944

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Patent Info (Count) # Cites Year
 
KONINKLIJKE PHILIPS ELECTRONICS N V (2)
* 9125616 Collateral blood flow assessment 0 2010
* 2012/0238,888 COLLATERAL BLOOD FLOW ASSESSMENT 1 2010
* Cited By Examiner