• Title/Summary/Keyword: Medical measurement

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A Study of The Correlativity in EAV(Electroacupuncture According to Voll)measurement valvues, Sasang Constitution Classfication and CVA(Cerebrovascular accident) (EAV의 측정치(測定値)와 사상체질유형(四象體質類型) 및 중풍(中風)과의 상관성(相關性)에 관한 연구(硏究))

  • Kim, Jong-Weon;Ko, Bung-Hee;Song, Il-Byung
    • Journal of Sasang Constitutional Medicine
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    • v.7 no.2
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    • pp.59-88
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    • 1995
  • Three groups have participated in this study. 1) The first group consists of 57 patients were who had been treated in the Oriental Medical Hospital at Kyung Hee Medical Center. 2) The second group consists of 37 outpatients who had been treated in the Oriental Medical Hospital at Kyung Hee Medical Center. 3) The third group consists of 76 students of the Oriental Medical School at Kyung Hee University. The following conclusions were made in comparison with EAV measurement values, SaSang Constitution Classfication and CVA. 1. The following conclusions were made in comparison with EAV measurement values and Type(SaSang Constitution Classfication). 1) The analsis of the Correlation in Normal group with EAV measurement values and Type(SaSang Constitution Classfication). 2) The analysis of the correlation in patient group with EAV measurement values showed significant differences in Right meridians(Nerval degeneration vessel, Circulation, Allergy) and in Left meridian(Liver). 3) The analysis of the correlation in Total(Normal+patient)group with EAV measurement values showed significant differences in Right meridians(Large intestine, Nerval degeneration vessel, Circulation, Allergy, Pancreas) and in Left meridians(Lymph vessel, Nerval degeneration vessel, Spleen, liver). 4) The above results showed common-significant differences in Right Allery meridian and in Left Liver meridian. 2. The analysis of the correlation in EAV measurement values and Group (Cerebrovascular accident) showed significant differences in Right meridians(Lymph vessel, Lung, Nerval degeneration vessel, Allergy, Paren & Epith. degeneration vessel, Triple warmer, Heart, Pancreas, Stomach, Fibroid degeneration vessel, Skin, Fatty degeneration vessel, Heart, Stomach, Fibroid degeneration vessel, Skin, Fatty degeneration vessel, Bile duct, Kidney). 3. The analysis of the correlation in EAV measurement values and Para(GROUPS according to PARALYSIS)showed significant differences in Left Stomatch meridian. The analysis of the correlation in EAV measurement values and Para(GROUPS according to PARALYSIS) about the differance of right measurement values and left measurement values showed significant differences in Nerval degeneration vessel, Stomatch, Gall bladder & Bile duct, Kidney and Urinary Bladder meridians. 4. The analysis of the correlation in EAV measurement values and Compl(GROUPS according to COMPLICATION with CVA)showed significant differences in Right meridians(Lymph vessel, Articular degeneration vessel, Fatty degeneration vessel) and in Left meridians(Lung, Stomatch, Fatty degeneration vessel). 5. The analysis of the correlation in Type and MORPHOROGICAL DIAGRAMING (HTOUPS according to MORPHOROGY) showed significant differences in Cranium region, Chest region, Stomatch region and Umbilicum region. 6. The analysis of the correlation in BAZ measurement values and Group(Cerebral Vascular Attack)showed significant differences, the analysis on the correlation of BAZ measurement values and Type(SaSang Constitution Classfication) didn't show any significant differences. 7. In comparison with Actual measurement vales and Voll's measurement values, BAZ measurement values agree with Voll's measurement values but CMP measurement values lower than the Voll's measurement values. Later We have to research further about classifications of race, age, sex etc. The EAV measurement values have Group(Cerebrovascular accident) more correlative than Type(SaSang Constitution Classfication). The EAV may well be that it will be used as an accessory method in SaSang Constitution Classfication and as a diagnostic method in medicine too.

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Blood Glucose Measurement Principles of Non-invasive Blood Glucose Meter: Focused on the Detection Methods of Blood Glucose (무채혈 혈당 측정기의 혈당 측정 원리: 혈당 검출방법 중심으로)

  • Ahn, Wonsik;Kim, Jin-Tae
    • Journal of Biomedical Engineering Research
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    • v.33 no.3
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    • pp.114-127
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    • 2012
  • Recent technical advancement allows noninvasive measurement of blood glucose. In this literature, we reviewed various noninvasive techniques for measuring glucose concentration. Optical or electrical methods have been investigated. Optical techniques include near-infrared spectroscopy, Raman spectroscopy, optical coherence technique, polarization, fluorescence, occlusion spectroscopy, and photoacoustic spectroscopy. Electrical methods include reverse iontophoresis, impedance spectroscopy, and electromagnetic sensing. Ultrasound, detection from breath, or fluid harvesting technique can be used to measure blood glucose level. Combination of various methods is also promising. Although there are many interesting and promising technologies and devices, there need further researches until a commercially available non-invasive glucometer is popular.

Performance test of urine bioassay through participation in the NRIP (NRIP 참여를 통한 소변시료 바이오어세이 성능검사)

  • Ha, Wi-Ho;Yoo, Jaeryong;Yoon, Seokwon;Lee, Seung-Sook;Kim, Jong Kyoung
    • Journal of Radiation Protection and Research
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    • v.39 no.2
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    • pp.96-102
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    • 2014
  • Urine bioassay has been widely used for internal dosimetry due to simple process of sampling and measurement. In this paper, we participated in the NRIP (NIST Radiochemistry Intercomparison Program) hosted by US NIST to carry out a reliable performance test of urine bioassay and introduced the measurement method and results of NRIP-2013. In customary exercise with 60 days of reporting time, bioassay results of 12 radionuclides in the synthetic urine samples were acceptable based on the performance criteria of ANSI N13.30. In emergency preparedness exercise with 8 hours of reporting time, bioassay results of 9 radionuclides showed that differences ranged from -35% to 45%. However, we concluded that urine bioassay applied for emergency preparedness exercise would be applicable for rapid screening and estimation of internal exposure within a difference of ${\pm}45%$ in the event of radiological accidents.

Development of Multi-Frequency Impedance Measurement System for Acupuncture Points and Preliminary Report of Measurement Results (Multi-frequency 자극 방식을 이용한 생체 전기 임피던스 측정 시스템 설계 및 경혈의 전기적 특이성에 대한 고찰)

  • Kim, Soo-Byeong;Lee, Na-Ra;Lee, Seung-Wook;Choi, Jun-Young;Lee, Yong-Heum
    • Korean Journal of Acupuncture
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    • v.29 no.1
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    • pp.71-81
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    • 2012
  • Objectives : The purpose of this paper was to suggest new diagnostic method that was to supersede the estimation of electrical properties at acupoints. Thus, we developed the multi- frequencies bioelectrical impedance measurement system so as to analyze the state of bio-ions in body fluid as body compositions, not skin impedance at acupoint. Methods : At low frequency, the current does not penetrate the cell membrane and at high frequency, the current passes through both intracellular and extracellular fluid because of the decreas of cell membrane impedance. To confirm the reflection of composition in extracellular fluid or intracellular fluid of segment such as acupoint, the system was developed to detect the acupoint potential between adjacent two points in the area of LU3, LU4 and LU9 using 5,50 and 200KHz. Results : The detected acupoint potential has been decreased according to elevation of frequency. As a result of correlation of left/right identical acupoint, we observed a high correlation of three types of acupoint potential at multi-frequencies. Moreover, we observed the low correlation at 5KHz, and that was a significant factor to be considered as unbalanced relationship of identical acupoints. Conclusions : On the basis of meridian theoretical point of view, we may infer the acupoint's physiological composition using the multi-frequencies bioelectrical impedance measurement system.

Research of operators and patients exposed to electromagnetic field in the hospital (병원에서의 환자, 의료진의 전자파 노출 실태 조사)

  • Ji, Hyo-Chul;Hong, Hyun-Ki;Kim, Sung-Woo;Lee, Ju-Hyung;Kim, Deok-Won
    • Proceedings of the KIEE Conference
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    • 2007.04a
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    • pp.70-72
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    • 2007
  • In this study, electromagnetic fields emitted from the various environment in the hospital were measured. Measurement spot was patients' head. To monitor how much magnetic fields are emitting from operation room, monitoring device was attached to 19 anesthesiologist and monitoring lasted 8 hours. We also took a measurement from various medical devices. Devices include ESWL, PET, MRI, CT, Gamma knife, X-ray, Angiogram, Echocardiogram, Upper GI and Linear Accelerator. Electromagnetic fields were measured from 10 spots from each of 5 patient waiting room. As a results, there were no places showing risk of high exposure. All the measurement values were below the reference levels for general public exposure to time varying electric and magnetic fields which is issued by ICNIRP.

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A Study on the Standardization In the Mandibular First Premolar of the Middle Aged Korean (하악 제1소구치의 표준화 연구)

  • Lee H.J.;Chun K.J.;Chung D.T.;Cho C.H.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2005.10a
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    • pp.252-255
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    • 2005
  • Mandibular first premolars obtained from the middle-aged men about the ages of 50 were scanned using a Micro-CT. A Jig was made for a Micro-CT measurement to get reliable data from irregular teeth shape. Data were measured from the scanned 2-D images by way of measurement software. the methodology fer measurement of the mandibular first premolar was presented and according to this, the standardized mandibular first premolars of middle aged Korean males and females were made by using a rapid prototyping system.

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Development of 3-D Stereotactic Localization System and Radiation Measurement for Stereotactic Radiosurgery (방사선수술을 위한 3차원 정위 시스템 및 방사선량 측정 시스템 개발)

  • Suh, Tae-Suk;Suh, Doug-Young;Park, Sung-Hun;Jang, Hong-Seok;Choe, Bo-Young;Yoon, Sei-Chul;Shinn, Kyung-Sub;Bahk, Yong-Whee;Kim, Il-Hwan;Kang, Wee-Sang;Ha, Sung-Whan;Park, Charn-Il
    • Journal of Radiation Protection and Research
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    • v.20 no.1
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    • pp.25-36
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    • 1995
  • The purpose of this research is to develop stereotactic localization and radiation measurement system for the efficient and precise radiosurgery. The algorithm to obtain a 3-D stereotactic coordinates of the target has been developed using a Fisher CT or angio localization. The procedure of stereotactic localization was programmed with PC computer, and consists of three steps: (1) transferring patient images into PC; (2) marking the position of target and reference points of the localizer from the patient image; (3) computing the stereotactic 3-D coordinates of target associated with position information of localizer. Coordinate transformation was quickly done on a real time base. The difference of coordinates computed from between Angio and CT localization method was within 2 mm, which could be generally accepted for the reliability of the localization system developed. We measured dose distribution in small fields of NEC 6 MVX linear accelerator using various detector; ion chamber, film, diode. Specific quantities measured include output factor, percent depth dose (PDD), tissue maximum ratio (TMR), off-axis ratio (OAR). There was small variation of measured data according to the different kinds of detectors used. The overall trends of measured beam data were similar enough to rely on our measurement. The measurement was performed with the use of hand-made spherical water phantom and film for standard arc set-up. We obtained the dose distribution as we expected. In conclusion, PC-based 3-D stereotactic localization system was developed to determine the stereotactic coordinate of the target. A convenient technique for the small field measurement was demonstrated. Those methods will be much helpful for the stereotactic radiosurgery.

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Internal Radiation Dosimetry using Nuclear Medicine Imaging in Radionuclide Therapy (방사성핵종 이용 치료에서 핵의학영상을 이용한 흡수선량평가)

  • Kim, Kyeong-Min;Byun, Byun-Hyun;Cheon, Gi-Jeong;Lim, Sang-Moo
    • Nuclear Medicine and Molecular Imaging
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    • v.41 no.4
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    • pp.265-271
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    • 2007
  • Radionuclide therapy has been an important field in nuclear medicine. In radionuclide therapy, relevant evaluation of Internally absorbed dose is essential for the achievement of efficient and sufficient treatment of incurable disease, and can be accomplish by means of accurate measurement of radioactivity in body and its changes with time. Recently, the advances of nuclear medicine imaging and multi modality imaging processing techniques can provide change of more accurate and easier measurement of the measures commented above, in cooperation of conventional imaging based approaches. in this review, basic concept for internal dosimetry using nuclear medicine imaging is summarized with several check points which should be considered In real practice.