DOI QR코드

DOI QR Code

압력 측정에 의한 요량 계측의 유용성 분석

Validation of Urine Volume Evaluation by Hydraulic Pressure Measurement

  • 김경아 (충북대학교 의과대학 의공학교실) ;
  • 최성수 (충북대학교 의과대학 의공학교실) ;
  • 이인광 (충북대학교 의과대학 의공학교실) ;
  • 박경순 (문경대학 간호과) ;
  • 김원재 (충북대학교 의과대학 비뇨기교실) ;
  • 이태수 (충북대학교 의과대학 의공학교실) ;
  • 차은종 (충북대학교 의과대학 의공학교실)
  • Kim, Kyung-Ah (Department of Biomedical Engineering, Chungbuk National University) ;
  • Choi, Sung-Soo (Department of Biomedical Engineering, Chungbuk National University) ;
  • Lee, In-Kwang (Department of Biomedical Engineering, Chungbuk National University) ;
  • Park, Kyung-Soon (Department of Nursing, Munkyung College) ;
  • Kim, Wun-Jae (Department of Urology, School of Medicine, Chungbuk National University) ;
  • Lee, Tae-Soo (Department of Biomedical Engineering, Chungbuk National University) ;
  • Cha, Eun-Jong (Department of Biomedical Engineering, Chungbuk National University)
  • 발행 : 2007.08.30

초록

Uroflowmetry is non-invasive and easily performed to diagnose benign prostatic hypertrophy(BPH) frequent in aged men. Weight change during urination is usually measured to estimate the urinary flow rate by a load cell, but sensitive to any impacts against the bottom of the container, leading to unnecessary noise generation. Moreover, load cells are relatively expensive raising the production cost. The present study proposed a new technique, measuring hydraulic pressure on the bottom of the urine container to evaluate the urinary volume. Low cost pressure transducer enabled almost perfectly linear relationship between the urine volume and the hydraulic pressure. During both the simulated and human urination experiments, variance of the pressure signal was more than 50% smaller than the weight signal acquired by a load cell, which demonstrated that the impact noise was decreased to a great degree by pressure compared to weight measurement.

키워드

참고문헌

  1. Y. G. Lee, Molecular Biology of Prostate, In: Textbook of Benign Prostatic Hyperplasia, Seoul, Ilchokak Press, 2004, pp.16-27
  2. C. H. Noh, Medical Examination and Treatment Guidlines in American Urological Association, In: Textbook of Benign Prostatic Hyperplasia, Seoul, Ilchokak Press, 2004, pp.119-126
  3. Y. K. Na, Epidemiology and Natural Progress of Benign Prostatic Hyperplasia, In: Textbook of Voiding Dysfunction and Female Urology, Ilchokak Press, 2003, pp. 321-327
  4. M. W. Kim, Highly Recommended Test and Important test, In: Textbook of Benign Prostatic Hyperplasia, Ilchokak Press, 2004, pp. 127-146
  5. CAS KOREA, 'Loadcell', In: Product classifications, http:// www.caskorea.co.kr, 2006
  6. D. U. Jeong, S. T. Cho, K. K. Nam, M. K. Jeong, K. R. Jeon, 'Estimation and implementation of the uroflowmetry using load cell,' Journal of the Korean Sensors Society, vol. 13, no. 6, pp.436-445, 2004 https://doi.org/10.5369/JSST.2004.13.6.436
  7. R. A. Peura, J. G. Webster, Basic Transducers and Principles, In: Medical Instrumentation: Application and Design, Boston, Houghton Mifflin Company, 1978, pp. 50-56