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Protection of the Reconstructed Nipple by Using a Breathing Bag Connection Tube
정현교,송정국,윤병민 대한미용성형외과학회 2013 Archives of Aesthetic Plastic Surgery Vol.19 No.3
As the newly reconstructed nipple tends to be flattened, especially if submitted to pressure, prudent dressings using various protective devices as a physical support against pressure on a new nipple is important. We used a breathing bag connecting tube as a protective device in nipple reconstruction. A breathing bag connecting tube recycled was cut and trimmed at 1cm above the height of the reconstructed nipple. Before stitch out, the newly reconstructed nipple with a local flap was dressed and protected in this way for 10 days after surgery. After stitch out, patients learnt how to manage the new nipple at home. The sole means of nipple dressing was affixing the breathing bag connecting tube with adhesive tape. Two patients had worn the tube for two months with the best compliance. Owing to the soft composition of the tube material, it is possible for a surgeon to have an easy cutting and trimming of the tube at appropriate heights as well as for a patient to show better compliance yielding better results. The cost factor is another advantage.
정현교 대한전기학회 1985 전기의 세계 Vol.34 No.5
여기서는 개 영역 자장문제 해석을 위한 세가지 방법을 소개하고 있다. 기존 유한요소법과의 비교사례를 통해 알 수 있듯이 개 영역 자장문제를 본 고에서 소개한 방법을 이용하여 해석하면 기존 유한요소법을 이용한 경우보다 계산노력을 덜 들여서도 같은 정도를 갖는 해를 얻을 수 있겠다. 앞으로의 과제는 이 방법들을 이용하여 실제 공학문제들을 해석하는 것이다. 개 영역 문제를 해석하는 방법은 본고에서 소개한 방법 이외에 사상(Mapping)을 이용하는 경우 및 경계요소법(Boundary Element Method)을 이용하여 무한요소영역을 처리하는 방법들이 있다.
정현교,강재경,송정국,신명수,윤병민,Jeong, Hyun Gyo,Kang, Jae Kyoung,Song, Jung-Kook,Shin, Myoung Soo,Yun, Byung Min 대한두개안면성형외과학회 2013 Archives of Craniofacial Surgery Vol.14 No.2
The anterior maxillary sinus walls are the most frequently injured sites in midfacial fractures. The maxillary sinus is a difficult surgical site for reduction and fixation due to its narrow surgical field, and has a chance of developing sinusitis when sufficient treatment is not given. In this study, the methods developed by the authors for managing such are introduced. Two small openings were made on both sides of the fracture line, then a suture knot was tied instead of wiring for reduction and fixation. Then an absorbable mesh was applied on top of the fracture site, with a suture knot for additional fixation. This method was applied on an actual patient, and it was a convenient method despite the narrow surgical field that was provided. The authors believe that using suture knots to fixate fractured segments and absorbable mesh is relatively convenient and economically efficient when it comes to the reduction and fixation of the maxillary sinus wall fracture with several fragments.