Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1997-09-11
1999-09-14
Lateef, Marvin M.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
A61B 800
Patent
active
059514779
ABSTRACT:
An apparatus for measuring the intracranial pressure in a non-invasive manner is described by using an ultrasonic Doppler device which detects the velocities of the blood flow inside the optic artery for both intracranial and extracranium optic artery portions. The eye in which the blood flow is monitored is subjected to a small pressure, sufficient to equalize the blood flow measurements of the internal and external portions of the optic artery. The pressure at which such equalization occurs is found to be an acceptable indication of the intracranial pressure. Various devices are illustrated and used to enable either an automatic or manual intracranial pressure measurement.
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Daubaris Gediminas
Dziugys Algis
Ragauskas Arminas
Lateef Marvin M.
Patel Maulin
UAB Vittamed
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