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주구조물과 설비의 상호작용을 고려한 층 응답스펙트럼의 추계론적 작성법
윤정방,손은진,Yun, Chung Bang,Son, Eun Jin 대한토목학회 1991 대한토목학회논문집 Vol.11 No.1
주구조물내에 설치될 부구조물의 내진설계를 위한, 층 응답스펙트럼을 두 구조계의 상호작용을 고려하여 작성하는 효율적인 방법을 제안하였다. 지반 응답스펙트럼으로 부터 층 응답스펙트럼을 추계론적 기법을 통하여 유도하였다. 이 과정에서 지반운동에 대한 부구조물 거동의 전달함수를 주구조물과 부구조물, 각각의 자유진동 특성으로 부터 구함으로써 복합된 구조물의 자유진동해석을 피할 수 있었다. 본 방법은 주구조물-부구조물의 복합된 구조계의 비 비례감죄 특성을 고려할 수 있다. An efficient method for generating floor response spectra with the structure-equipment interaction effects is proposed. Floor response spectra are computed from a prescribed ground response spectrum by a random vibration approach. Transfer function of equipment response for earthquake excitation is constructed directly from the modal properties of the individual structures. The method also can account for the nonproportional damping characteristics of the combined system.
구강 혹은 인두피부루의 동시재건을 위한 양면 대흉근피판술
임영창(Young Chang Lim),손은진(Eun Jin Son),신우철(Woo Chul Shin),김상철(Sang Cheol Kim),이욱진(Wook Jin Lee),최은창(Eun Chang Choi) 대한두경부종양학회 2003 대한두경부 종양학회지 Vol.19 No.1
본 증례에서 처럼 구강과 피부 또는 인두와 피부의 복합 결손은 내측 점막재건 및 피부의 외측부분을 함께 재건해야 하는데, 저자들이 사용한 진도서형의 양면 대흉근 피판이 아주 유용한 방법으로, 수술시간도 짧고 피판의 혈관경도 믿을 수 있어 대단히 안전한 피판으로 사료된다. Background and Objectives: Oro-and pharyngocutaneous fistula after irradiation can lead to extensive wound necrosis and fetal complication such as carotid rutpure. So, there is a need to clean and cover the wound rapidly in these compromised patients. Pectoralis major myocutaneous (PMMC) flap has been presented for reconstruction of complex defects in these irradiated patients. We applied the double paddle PMMC flap for the simultaneous reconstruction of above complex defects and evaluated the it's clinical efficacy. Material and Methods: Retrospective chart review of three cases of simultaneous head and neck reconstruction after irradiation with double paddle PMMC. All patients received prior radiotherpy before development of complications. The double paddle PMMC flap was used for mucosal lining of the oral cavity and epithelial lining of external skin in 2 cases, for mucosal lining of the pharynx and epithelial lining of external skin in 1 case. Results: Considerable complications such as major flap necrosis or fistula did not occur in any of the cases, and simultaneous reconstruction was achieved in all cases without reoperations. Conclusion: Many extended defects such as oro-and pharyngocutaneous fistula involving cover and lining about the head and neck after irradiation can be rehabilitated by the double paddle pectoralis major myocutaneous flap.
정찬민(Chan Min Jung),김지형(Jihyung Kim),노경진(Kyung Jin Roh),손은진(Eun Jin Son) 대한두개저학회 2017 대한두개저학회지 Vol.12 No.2
Meningoencephalic herniation into the temporal bone is a rare potentially life threatening condition. Clinical presentations include cerebrospinal fluid (CSF) otorrhea, recurrent meningitis and focal neurologic signs. However, a meningocele may mimic middle ear diseases in cases without overt CSF leakage or neurologic symptoms. Here we describe a case of meningocele herniation in the middle ear cavity with concurrent otitis media, diagnosed during operation and surgically repaired. Review of diagnostic clues and repair approaches is presented.
박헌이(Hun Yi Park),김성헌(Sung Huhn Kim),이종대(Jong Dae Lee),손은진(Eun Jin Son),이호기(Ho-Ki Lee),이원상(Won-Sang Lee) 대한두개저학회 2006 대한두개저학회지 Vol.1 No.1
This study was performed to investigate the capability of preoperative evaluations in predicting the precise anatomic origin of intracanalicular tumors. We conducted a retrospective case review of 11 patients (8 male, 3 female; 26-70 yr of age) with intracanalicular tumors that were treated surgically. Data included preoperative pure tone audiogram, auditory brainstem response, caloric test, electroneurographies and temporal MRIs. Postoperatively, facial nerve schwannomas were diagnosed pathologically in two of 11 patients (18%). There were no clues suggesting facial nerve schwannoma in preoperative evaluations: A facial nerve schwannoma may be misdiagnosed as a vestibular schwannoma, especially when the tumor is confined to the internal auditory canal. There are no useful preoperative evaluation tools to predict precisely the origins of intracanalicular tumors. These emphasize the need to fully inform the patient preoperatively.