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Preventive monitoring, which increases the possibility of diagnosing and curing a disease at an early stage, is interesting and relevant in medical diagnostics. Recently, both minimally invasive and non-invasive diagnostic techniques have become widespread. They include the areas of cardiographic, encephalographic and myographic analyzers designed to study the state of the heart, the brain and striated muscles. The study of the functioning of the smooth muscles of the gastrointestinal tract is carried out using gastro-enterography methods. To obtain an integral assessment of the effectiveness of the circulatory system, the plethysmography method can be successfully applied, which allows modeling vascular tone and blood flow using models of hydrodynamics and the theory of elasticity. The present article analyzes the range of static (or dynamic) informative hemo-parameters that allow diagnosing at the initial stage arterial hypertension, aortic insufficiency or stenosis, atherosclerosis, diabetes mellitus and some other diseases. The photometric reflex absorption in the infrared range, followed by an assessment of blood flow in the aortas and arteries with recording of the shape of pulse waves were used as methods in our research work. The result of the work is a method and a system of computer control of the rod current acting on biological tissues (using the Bluetooth protocol, LabView environment, virtual digital filters and biomedical data archives) that allows non-invasively recording of the parameters of the carotid artery pulse wave.

Photometric recorder of the carotid artery pulse wave with a system for stabilizing the clamping force