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슬관절경 시술후 주입펌프로 인한 합병증 - 3례 보고 -
손성근,김경택,이규열,김형섭 ( Sung Keun Sohn,Kyung Teak Kim,Kyu Yeol Lee,Hyung Sup Kim ) 대한슬관절학회 1995 대한슬관절학회지 Vol.7 No.2
This is a report of the complication in three cases caused by the use of an automated arthmscopy pump in 176 patients undergoing knee arthroscopy. The first patients had exhavasation of fluid into the thigh, requiring careful observation of the procedure. The second patients developed a peroneal and sural nerve palsy. The third patient developed severe fluid extravasation into the lower leg compartments. During 9-month peiriod, a complication rate of 1.7% from fluid extravasation during knee arthroscopy was noted. Each patient had healthy recovery. This review represents our initial experience with the infusion pump. The use of an infusion pump should be avoided if capsular tears are suspected,
LCS ( Low Contact Stress ) 인공 슬관절을 이용한 슬관절 전 치환술
손성근,김경택,이규열,김병환,김성완,김형섭 ( Sung Keun Sohn,Kyung Teak Kim,Kyu Yeol Lee,Byeong Hwan Kim,Sung Wan Kim,Hyung Sup Kim ) 대한슬관절학회 1996 대한슬관절학회지 Vol.8 No.2
The Low Contact Stress(L.C.S.) knee prosthesis was reported that it had low contact stress and low conslraint force. Authors used the L.C.S. knee prosthesis in SO patients(61 knees) during March 1991 to Septemher 1993 with mean 2 years 3 months follow-up period at Dong-A University Hospitai. The Hospital for Special Surgery knee rating scale, the range of motion, and radiographic evaluat.ion were used t'or f'inal assessrnent. The knee score was increased from average 48.6 points pre-operatively to 82.4 points postoperatively. The I.inge ot notion was increased from average 84o pre-operative]y to 122o posl.operatively. The femorotibial angle was average 6.3o valgus postoperatively. We report that good results were obtainecl in the patients who had authroplasties with the L.C.S. prosthesis.
한국형 고속전철 시제차량(HSR 350X)개발을 위한 국제공동연구
정경렬(Chung Kyung-Ryul),김경택(Kim Kyung-Teak),이병현(Lee Byung-Hyun) 한국철도학회 2002 한국철도학회 학술발표대회논문집 Vol.- No.-
The prototype test train(HSR 350X) was developed and is now being tested in R&D project for developing Korean High Speed Rolling Stock. International cooperative works with German, Japanese, Danish, English and Swiss company were done for reviewing the results made by domestic companies and enhancing their design capability. The main results of cooperation are shown in this paper. In addition, some problems and comments issued during cooperation are also represented.
김경호,김경택 木浦大學校 工業技術硏究所 1996 工業技術硏究誌 Vol.6 No.-
In this paper, we developed an optical distribution device for the application of an optical switching and an optical subscriber loop. We fabricated PSG thin film by LPCVD. Using the index of fabricated thin film, rib-type waveguide is approximated two-dimension by effective index method and simulated dispersion property to be a single-mode. We found that an optimum condition of rib-type waveguide is core width of 4㎛ when etched by 4㎛ under 3㎛ of cladding layer. 3㎛ of core layer. 10㎛ of buffer layer. By the optimum condition of the rib-type waveguide, we designed Y-branch waveguide with branching angle of 1.0°. Nurmerical loss in branching area was 0.9992468 and equal to one of the total Y-banch.