수액 소진 알람시스템을 위한 동일평면형 광센서의 연구 및 제작
Optical Sensor of Coplanar Structure Study and Design for Intravenous Solution Exhaustion Alarm System
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초록
Intravenous (IV) infusion set is one of the most common treatment methods applied to hospitalized patients. However, it is necessaryto check the injection of IV solution in order to prevent patients from any possible medical injuries. In this paper, using the optical sensorsto detect exhaustion of IV solution was proposed. The optical sensor is coplanar structure composed of LED and photodiode whichis installed according to focal distance of the lens. These two elements detect exhaustion of IV solution at the desired point conveniently. Through the results of experiments using various wavelength of LED (R.G.B), the blue LED was selected to the optimum light source. The suggested optical sensor can detect exhaustion of IV solution by the differences in the amount of light which is caused by propertiessuch as total reflection, refractive index and scattering. From the implementation, the detector is applicable to both containers of IV solution,glass bottle and plastic pack. And also the result shows apparent differences according to existence of IV solution even if the IVsolution color and illumination were changed.
Abstract
Intravenous (IV) infusion set is one of the most common treatment methods applied to hospitalized patients. However, it is necessaryto check the injection of IV solution in order to prevent patients from any possible medical injuries. In this paper, using the optical sensorsto detect exhaustion of IV solution was proposed. The optical sensor is coplanar structure composed of LED and photodiode whichis installed according to focal distance of the lens. These two elements detect exhaustion of IV solution at the desired point conveniently. Through the results of experiments using various wavelength of LED (R.G.B), the blue LED was selected to the optimum light source. The suggested optical sensor can detect exhaustion of IV solution by the differences in the amount of light which is caused by propertiessuch as total reflection, refractive index and scattering. From the implementation, the detector is applicable to both containers of IV solution,glass bottle and plastic pack. And also the result shows apparent differences according to existence of IV solution even if the IVsolution color and illumination were changed.
참고문헌 (19)
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