An Experimental Development of the System for Uroflowmetry Using a Bluetooth Weight-Scale on a Standing Position

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  • Bluetooth 体重計を用いた立位姿勢での尿流量測定システム開発の試み
  • Bluetooth タイジュウケイ オ モチイタ タチイ シセイ デ ノ ニョウ リュウリョウ ソクテイ システム カイハツ ノ ココロミ

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<p>Measuring and recording urine flow is essential for patients suffering from urologic problems in hospitals and homes. Therefore, to do so conveniently, a system for uroflowmetry tests by using a Bluetooth weight-scale for standing male subjects has been experimentally developed. By using this system, the voided volume and mean flow rate can be calculated from realtime recorded weight data by considering the frequency distribution and delay of the moving average value.</p><p>The experiments to evaluate the system were also conducted. The result shows that the estimated output volume has an error range of approximately 10ml which is higher than the original resolution of a weight-scale, and the estimated average flow rate has an error range of approximately 1.3ml/s. The system has some limitations such as the error range is larger than that of commercially available uroflowmeter, and that only the mean flow rate can be calculated from a continuous output. Thus, although it is currently difficult to use this system in for medical purposes, which require high accuracy, the system can be used for home care patients, because it is inexpensive and portable.</p>

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