Carotid Stenotic Scan (CSS)

Diagnostic Device to Detect and Measure Carotid Narrowing for the Purpose of Identifying Patients of Risk for Ischemic Stroke


CSS Carotid Stenosis Screening Device It is a screening device designed to detect and measure carotid artery stenosis or occlusion of patients at risk of ischemic stroke.

It is a non-invasive, contrast-free, easy-to-use screening method that determines the stage of carotid stenosis with 100% accuracy without carotid artery angiography.

Propriete sensors developed in cooperation with the US Army Research Laboratory provide low-frequency acoustic coupling to Carotid veins to CSS.

Changes in blood flow due to plaque formation also cause changes in blood pressure.



In traditional methods (Color Doppler US (RDUS), the standard frequency evaluation system is compared with our systems); blood velocity, vessel size, blood temperature, blood hematocritic, vascular wall flexibility is heard.

However, in the Color Doppler US (RDUS) method

  1. Introduction of the technical equipment used,
  2. Anatomical features of the patient
  3. Factors such as the experience of the practitioner are decisive, the absence of visualization of the vessel lumen in the presence of dense plaque calcification.

The proprietary sensors developed in US military research laboratories analyze these variables to analyze very low frequency sounds and detect 100% of the obstruction in the carotid veins of different anatomical structures.

CSS technology captures the blood flow velocity, congestion and contraction of the carotid artery vein, and the vibrations generated by sound waves at infrasonic-subsonic frequencies.

These frequencies are lower than the natural vascular vibration frequencies due to pressure changes in the moving blood. These frequencies also vary depending on the plaque formation inside the vessel wall.

This vibration, which is caused by speed changes, moves more rapidly in the direction of the vessel wall in one direction than the blood from a narrow region.

These vibrations are detected by the proprietary sensor at that time


2 probe sensors are placed under the ears on both sides of the head. Detects the sound produced by the carotid vein on the left and right sides. The audio signal is amplified, converted to digital density levels, and sent to the CSS device, which is a few steps away from the sensor, to analyze the signal.

There is nothing on the market to detect these sounds from the internal carotid artery.