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- 저자 : 김갑태(Kab Tae Kim) (검색결과 4 건)
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요추간판수핵탈출증에 있어서 전산화단층촬영술과 신경학적 검사소견의 비교
이현,김갑태,설창효,김병수,Lee, Hyun,Kim, Kab-Tae,Sol, Chang-Hyo,Kim, Byung-Soo 대한영상의학회 1987 대한영상의학회지 Vol.23 No.3
The herniated nucleus pulposus is a major cause of low back pain and sciatica. High resolution compute tomography is the most accurate diagnostic tool to define a HNP, because it provides a complete in vivo analysis of bony framework of lumbar spine as well as the supporting soft tissue structures and neural elements. But the discrepancy between neurologic findigs and CT findigs is often cofusing. From May 1983 to August 1986, sixty patients with HNP 재 had both CT & surgical intervention at Pusan National Univ. Hospital were analized. The fallibility of the neurologic examination on HNP and the effect of HNP on nerve root were evaluated on the basis of CT findings. RESULT : 1. Thirty-four cases of clinical impressions were matched to CT findings in deterning level of HNP and affected nerve root. 2. In evaluation of afected level, there was high trend to cause discrepancy between neurologic findings and CT findingsin multiple disc involvement than in single involvement than in single involvement. 3. There was no correlation between degree of nerve root compression determined by CT and pattern of neurologic signs.
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김아람,성치원,박영삼,김철승,김갑태,A Ram Kim,M.D.,Chi Won Sung,M.D.,Young Sam Park,M.D.,Cheol Seung Kim,M.D.,Ph.D. and Kab Tae Kim,M.D.,Ph.D. 대한갑상선-내분비외과학회 2010 The Koreran journal of Endocrine Surgery Vol.10 No.1
Purpose: Thyroid cancer is rare in childhood. Although thyroid cancer is biologically more aggressive in children because of the high incidence of lymph node metastasis and distant metastasis when compared with that of adults, the prognosis is better. This study investigated the prognosis of pediatric differentiated thyroid cancer with 15 years or greater follow-up and we consider the proper treatment of pediatric differentiated thyroid cancer. Methods: From January, 1979 to December, 1994 during 16 years, 17 patients younger than 17 years old and who underwent thyroid surgery for well differentiated thyroid cancer at the Department of Surgery at Presbyterian Medical Center were retrospectively reviewed by the medical records and they were interviewed by telephone. Results: Total thyroidectomy was performed in 4 patients (23.5%), subtotal thyroidectomy was performed in 10 patients (58.8%) and lobectomy was performed in 3 patients (17.7%). The mean follow-up period was 23.5 years (range: 15∼28.2 years) and recurrence was found in 7 cases (41.3%). Five cases (29.5%) showed locoregional recurrence and 2 cases (11.8%) showed distant metastasis. Postoperative radioiodine (<SUP>131</SUP>I) therapy was done in 6 cases (35%) and 6 cases (35%) underwent radioiodine therapy as a therapeutic modality for metastasis. Conclusion: The pediatric well differentiated thyroid cancer in this study showed high rates of lymph node metastasis at the time of diagnosis and a high recurrence rate, but the prognosis was good (100% overall survival rate during the follow-up period). Therefore, total thyroidectomy, radical lymph node dissection and postoperative radioiodine therapy are considered the initial patient management. This aggressive therapeutic management can decrease of the recurrence rate and increase the therapeutic effect. A radioiodine scan and thyroglobulin can used for follow-up. (Korean J Endocrine Surg 2010;10:34-38)
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ICT 융합기술을 활용한 암반특성 예측기능을 가진 유압 브레이커 개발에 관한 연구
윤복중(Bok Joong Yoon),이길수(Kil Soo Lee),임훈(Hoon Lim),이호연(Ho Yeon Lee),이명규(Myung Gyu Lee),권혁진(Hyuk Jin Kwon),김갑태(Kab Tae Kim),주진무(Jin Moo Joo) 대한기계학회 2017 大韓機械學會論文集A Vol.41 No.7
고유가, 환경규제 등의 국제무역환경 변화에 따라 수출주력상품인 유압 브레이커의 고부가가치화를 위하여 지능형 전자제어유압시스템 분야인 ICT 융합기술을 활용하여 암반특성을 예측하고 최적모드(다단형)로 구동하는 지능형 파쇄기술 및 에너지 효율을 극대화할 수 있는 유압 브레이커 개발에 관한 연구를 수행하였다. 본 연구에서는 암반의 강도에 따라 최적의 타격력을 제공하기 위해 근접센서를 이용해 암반 타격 시 피스톤의 하강 깊이를 측정하고 이를 통해 암반의 특성을 판별하여 타격력을 결정하는 피스톤 스트로크의 길이를 솔레노이드 밸브를 이용해 제어하였다. 다단 타격시스템을 위해 컨트롤러와 디스플레이/조작장치를 개발하였고, 무선통신을 이용하여 상호 정보교환이 가능하도록 하였다. 최종적으로 암반 강도에 따라 3단으로 타격할 수 있는 제어시스템을 개발하였고, 실차실험을 통해 이를 검증하였다. We have carried out the development for hydraulic breaker which can be operated by optimal mode with ICT convergence technology. This developed system can predict the rock properties. Moreover, this system can maximize the energy efficient with intelligent control of hydraulic system. In order to provide the optimal impact force, this system can measure the descending depth of piston with the proximity sensor and discriminate the rock properties with the measuring data and control the piston stroke using solenoid valve eventually. In addition, we have developed the controller, display module and operating device for cascade (multi-level impact) system and applied the module which can communicate each system by wireless communications. In conclusion, the control system which can control the multi-level impact in accordance with strength of rocks has been developed and approved by several field tests.
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