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2 380 040

(13)

(51)

IPC

A61B8/06(2006-01-01)

(21) (22)

Application

2008131668/14, 2008-07-30

(24)

Start date

2008-07-30

(22)

Actual filing date

2008-07-30

(45)

Published

2010-01-27

(72)

Inventor

Kulikov Vladimir PavlovichKirsanov Roman Ivanovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Meditsinskij Universitet Federal'Nogo Agentstva Po Zdravookhraneniju I Sotsial'Nomu Razvitiju" Vpo Agmu Roszdrava)

METHOD OF MEASURING SPIRAL VELOCITY OF BLOOD IN ARTERIES Russian patent published in 2010 - IPC A61B8/06

Abstract RU 2380040 C1

FIELD: medicine.

SUBSTANCE: invention refers to medicine, cardiology. Three components of vector of spiral velocity of blood in common carotid arteries: longitudinal, rotary and radial. Radial velocity is measured by calculation of the relation of arterial radius gain to gain time at the moment of pulse-wave passage by formula:

where v_r is a radial velocity of blood flow, Δ_r is a vessel radius gain, Δ_t is vessel radius gain time. Considering three vector components of velocity, total velocity of blood particles by spiral path is calculated by formula: where V is total velocity, v_z is longitudinal velocity of blood flow, v_θ is rotary velocity of blood flow, v_r is radial velocity of blood flow.

EFFECT: method provides ultrasonic scanning in the colour duplex scanning mode and in the M-mode.

1 ex, 6 dwg

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RU 2 380 040 C1

Authors

Kulikov Vladimir Pavlovich

Kirsanov Roman Ivanovich

Dates

2010-01-27—Published

2008-07-30—Filed