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.
Patent No.:
Date of Patent:
Mar. 12, 2013
Filed:
Jun. 26, 2009
Arminas Ragauskas, Kaunas, LT;
Vytautas Petkus, Kaunas, LT;
Romanas Chomskis, Kaunas, LT;
Rolandas Zakelis, Vilkaviskis, LT;
Gediminas Daubaris, Kaunas, LT;
Mark Moehring, Seattle, WA (US);
Eugene A. Saxon, Seattle, WA (US);
Robert Giansiracusa, Bellevue, WA (US);
Steve Swedenburg, Kirkland, WA (US);
Renaldas Raisutis, Kaunas, LT;
Arminas Ragauskas, Kaunas, LT;
Vytautas Petkus, Kaunas, LT;
Romanas Chomskis, Kaunas, LT;
Rolandas Zakelis, Vilkaviskis, LT;
Gediminas Daubaris, Kaunas, LT;
Mark Moehring, Seattle, WA (US);
Eugene A. Saxon, Seattle, WA (US);
Robert Giansiracusa, Bellevue, WA (US);
Steve Swedenburg, Kirkland, WA (US);
Renaldas Raisutis, Kaunas, LT;
UAB Vittamed, , LT;
Abstract
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 occur