Development of a monitoring system for critical care medicine base on diffuse optical spectroscope imaging technique
Date Issued
2009
Date
2009
Author(s)
Lin, Yo-Wei
Abstract
In intensive care unit (ICU) the condition of patients were instable. The patients were observed with much physiological information about heart rate, blood pressure, body temperature, SpO2 to diagnosis the condition of patients in time. A system with fast, noninvasive, portable, low cost and without radiation was developed to be a bedside monitor system.iffuse optical image system with continuous wave laser diode and photodiode on flexible black rubber was designed to obtain information of oxy-hemoglobin, deoxy-hemoglobin, total hemoglobin and tissue oxygen saturation.n this thesis, the difference of venous occlusion hemodynamics are observed in vivo measurements form normal subjects, patients with heart failure and sepsis in intensive care unit. On the other hand, for further understanding of basic physiological signification from diffuse photon measurements, the arterial occlusion hemodynamics are related to the elasticity of red blood cell in experiments.
Subjects
Diffuse optical image
Near-infrared spectroscopy
Medical imaging
Type
thesis
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