Apparatus for determining the absolute value of intracranial pressure

A method and apparatus for obtaining the absolute value of intracranial pressure in a non-invasive manner is described by using an ultrasonic Doppler measuring device which detects the intracranial and extracranial blood flow velocities of the intracranial and extracranial segments of the ophthalmic...

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Bibliographic Details
Main Authors Raisutis, Renaldas, Ragauskas, Arminas, Petkus, Vytautas, Swedenburg, Steve, Giansiracusa, Robert, Zakelis, Rolandas, Daubaris, Gediminas, Moehring, Mark, Saxon, Eugene A, Chomskis, Romanas
Format Patent
LanguageEnglish
French
German
Published 05.01.2011
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A method and apparatus for obtaining the absolute value of intracranial pressure in a non-invasive manner is described by using an ultrasonic Doppler measuring device which detects the intracranial and extracranial blood flow velocities of the intracranial and extracranial segments of the ophthalmic artery. The eye in which the blood flow is monitored is subjected to an external pressure, sufficient to equalize the intracranial and extracranial angle-independent blood flow factors calculated from the intracranial velocity signal and extracranial velocity signal. The absolute value of the intracranial pressure is identified as that external pressure at which such equalization occurs.
Bibliography:Application Number: EP20100167388