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기계적 자극이 난소 제거한 쥐 해면골에 미치는 영향 분석
고창용(C. Y. Ko),이태우(T. W. Lee),우대곤(D. G. Woo),김한성(H. S. Kim),김지현(C. H. Kim),이법이(B. Y. Lee) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Some researchers proposed positive effects of whole body vibration (WBV) on osteoporotic trabecular bones of animals. In the present study, the correlation between the improvement of morphological characteristics and the effect of WBV was investigated and analyzed in OVX rats. The rats were randomly assigned to 5 groups: control, sham, WBV 17㎐, WBV 30㎐ and WBV 45㎐. The WBV groups were exercised on a vibration platform (magnitude : 1㎜<SUB>peak-peak</SUB>, frequency : 17㎐, 30㎐ and 45㎐, 30 minutes/day for 5 days/week). The 4th lumbar on rats was scanned by In-vivo Micro-CT at the week 0(just before WBV) and the week 8(after WBV). Structural parameters of the 4th lumbar, based on two dimensional (2D) scan image data, were investigated and analyzed. The quantitative decrement rate of trabecular bone on WBV groups with 30㎐ and 45㎐ were lower than control and sham groups. The results showed the positive effect of WBV on osteoporotic bones of OVX rats.
Optical Coherence Tomography를 이용한 피부질환 진단 가능 연구
이창호(C.H. Lee),우채경(C.K. Woo),이종민(J.M. Lee),이석종(S.J. Lee),김지현(J.H. Kim) 한국재활복지공학회 2009 한국재활복지공학회 학술대회논문집 Vol.2009 No.10
We applied the TD-OCT(Time-Domain Optical Coherence Tomography) system which utilized the reference by using the RSOD(Rapidly Scanning of Delayline) to the skin diagnosis (Arteriovenous rnalforrnationt.A VM)). We carried out an clinical experiment on the patient who has A VM with TD-OCT, Ultrasonography and Biopsy. As result of the experiment, OCT images of the skin showed the skin layers and the veins that not confirmed by Ultrasonography. By comparison with, we confirmed the analogous point.