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System and a method for measurement and presentation of fluid flow movements, particularly the flow of blood through a body organ
System and a method for measurement and presentation of fluid flow movements, particularly the flow of blood through a body organ
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机译:用于测量和表示流体流动运动,特别是通过人体器官的血液流动的系统和方法
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摘要
The invention is directed to a system for the measurement and presentation of flow movements in a fluid to determine blood perfusion in superficial blood vessels of a body organ. The system includes a laser light source (1) generating a laser beam, apparatus for directing the laser beam onto a body part to be examined and for guided movement of the beam over the body part. The beam is moved over the body part in a predetermined scanning pattern (8). The system further includes a receiving part for the beam reflected from the body part, and apparatus for detecting broadening of the frequency of a reflected light beam caused by a Doppler effect. This results in measuring the magnitude of superficial blood circulation in the body part (5) at points scanned by the beam.
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