Model of Plane Distribution of Heat Sources for Multi-Channel Matrix Oxygen Sensors
DOI:
https://doi.org/10.20535/1810-0546.2014.5.34600Keywords:
Partial pressure of oxygen, Transcutaneous sensor, Matrix oxygen sensorsAbstract
Transcutaneous polarography is one of the most objective noninvasive assessment of the capillary blood flow and microcirculation by controlling the oxygen partial pressure in the subcutaneous tissue. The outcome of research is influenced by such common factors as the oxygen content in the ambient air, the adequacy of the central hemodynamics of the patient, the presence of violations of the transport function of the blood, the pathology of the pulmonary system and local factors (disturbance of the local microcirculation, tissue edema, marked capillary spasm, etc.). For research purposes single-channel analyzers are generally used. Increasing the informative value of biomedical research is possible due to the use multi-channel raster array of oxygen sensors as a primary sensor. The use of such matrices will provide information about the in vivo distribution of the partial pressure of oxygen from the surface of the human skin, to more complete assess of its functional state and dynamics to control the impact of possible therapeutic interventions. The paper analyzes the influence of heat sources on the distribution of temperature field of multi-channel raster array of oxygen sensors as the main component of its operation and determines the optimum configuration of such sources.
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