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성명훈,이강진,노종렬,유성호 대한이비인후과학회 2002 대한이비인후과학회지 두경부외과학 Vol.45 No.1
Salivary gland. We have experienced a case of an intraductal papilloma arising from the sublingual salivary gland in a 51-year-old woman. The radiologic finding shows an unicystic mas having solid portion. The tumor was completely excised transo-rally. The histologic findings are papillary proliferation of two uniform layers of columnar epithelial and flat basal cells supp-orted by a fibrovascular core. The clinicopathologic features of this tumor is presented with a review of literature. (Korean J Otolaryngol 2002;45:99-102)
실험적 연구를 통한 다수 프로펠러로 자세제어를 수행하는 멀티콥터 -고정익 복합형 비행체 개발
성명훈,김종철,한상혁,최연주,김도윤,문성태,장종태,공현철,황인희 한국항공우주학회 2015 한국항공우주학회 학술발표회 논문집 Vol.2015 No.11
단순한 시스템으로 수직이착륙이 가능한 Multicopter 에 고정익 및 추력장치를 결합하면, 수직이착륙 및 고속 장거리 비행이 가능한 비행체를 보다 쉽게 구성하는 것이 가능하다. 이를 실증하고자 Flying wing 형상의 동력 고정익 항공기와 Multicopter 를 결합하는 설계를 수행하고 이 비행체를 제작하여 비행 특징에 대한 실험적인 검증을 수행하였다. 개발한 시제기는 수직이착륙 및 120 km/h 의 고속비행이 가능하였을 뿐만 아니라, Multicopter 와 Fixed wing 기능을 동시에 사용하는 것이 가능하여 비행 중 고정익의 실속이 일어나는 속력 영역을 Multicopter 로 보완하는 것이 가능함을 확인하였다. If Multicopter and powered fixed wing are compounded, that aircraft can achieve VTOL capability and high speed long range flight capability simultaneously with simple system. For actual proof, prototype aircraft has been designed and made and tested. The prototype aircraft was certified VTOL capability and 120 km/h high speed flight capability. In addition, the prototype aircraft was verified that compound aircraft make up for the fixed wing’s undesirable stall character with it’s multi propellers.
성명훈,권성근,이강진,최병윤,원태빈,노종렬,박범정,성원진,김광현 대한기관식도과학회 2001 大韓氣管食道科學會誌 Vol.7 No.2
Background and Objectives: Primary benign masses in subglottis and trachea are rare. Symptoms of tracheal obstruction are similar to those of bronchial asthma, chronic bronchitis, as well as malignant lesions. Materials and Methods: Eight patients with benign tracheal masses from April 1992 through June 2001, at otolaryngology-head and neck surgery. department of Seoul national university hospital were studied by retrospective medical record review. Results : They were 3 females and 5 males aged from 0 to 57 years. The pathologies of the intratracheal masses were lipoma. tuberculosis, pleomorphic adenoma, hemangioma(two case), reparative giant cell granuloma, epithelial inclusion cyst and nonspecific lymphadenopathy, respectively. The most characteristic symptoms were dyspnea and stridor, both inspiratory and expiratory. Five of them had been treated as bronchial asthma. Conclusion: For the management of patients with the subglottis and tracheal masses, it is important to establish secure airway. regardless of pathology of the masses. The diagnosis should be considered in any patient with asthma-like manifestation, especially who fails to respond to medical treatment. It is necessary to examine the airway thoroughly, and chest and simple cervical X-ray may contribute to the diagnosis of possible intratracheal mass.