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유현덕,김찬조,남기은,우봉길 한국항공우주학회 2012 한국항공우주학회 학술발표회 논문집 Vol.2012 No.11
항공기 개발목적인 시제기의 시험비행 조종사에게 개인장구 뿐만 아니라, 조종사 자신을 보호할 수 있는 안전 장구가 필요하다. 소형 민항기 시험비행 조종사를 위한 안전 장구 준비를 위해 군용기 T-50, KT-1 시험비행 조종사의 사례를 조사했다. 또, 국내/외 관련 규정에 의거하여 시험비행 조종사를 위한 안전 장구를 요구하고 있다. KC-100 개발을 통해 조종사 안전을 위해 낙하산, 헬멧, 비상용 산소 탱크를 구비하였다. 추가적으로 조종사 생환을 위해 구명동의, 구명보트, 구급함, 위치신호발생기, 불꽃조난 발생기 등을 구비하였다. Flight test pilots for experimental aircraft need not only personal flight equipment but also safety equipment to protect oneself. A study of flight equipment for military aircraft test pilots such as T-50 and KT-1 performed to prepare safety equipment for small civil aircraft test pilots. And safety equipment is required to prepare for test pilots in accordance with the domestic/overseas regulations. Parachute, Helmet and Emergency Oxygen Bottle are prepared to protect KC-100 flight test pilots. Additionally, Life Vest/Raft, First Aid Kit, Beacon, Smoke and Flare are prepared to survive.
골에 전이된 활액막에 생긴 악성 섬유성 조직구종 - 1례 보고 -
유현덕,신성태,권칠수,서광윤,고일향 인제대학교 1986 仁濟醫學 Vol.7 No.3
The malignant fibrous histiocytoma is a predominantly pleomorphic sarcoma containing fibromatous, xanthomatous or histiocytic elements. A case of inflammatory malignant fibrous histiocytoma is reported with recent reports on the nature of the tumor. This case has originated in the subsynovial tissue of right knee joint, and it infiltrated the ipsilateral side of the metaphysis of proximal tibia and of the intercondylar area of the femur in 11 years after the onset. Electron microscopic study has confirmed the presence of histiocyte-like cells in this tumor.
목종수,유현덕,김풍호,윤호동,박영철,김지회,권지영,손광태,이희정,하광수,심길보,조미라,이태식 한국수산과학회 2014 Fisheries and Aquatic Sciences Vol.17 No.3
From 2008 to 2013, the mussel Mytilus galloprovincialis were collected from a major area of mussel production (Changseon area), which is a designated shellfish-cultivating area for export, located on the southern coast of Korea. The samples were analyzed for mercury (Hg) using a direct Hg analyzer and for other metals, such as cadmium (Cd), lead (Pb), arsenic (As), chromium, copper, nickel, and zinc, using inductively coupled plasma mass spectrometry. The concentrations and bioaccumulation of the heavy metals were determined, and a potential risk assessment was conducted to evaluate their hazards towards human consumption. The concentration and bioaccumulation ratio of Cd were the highest of the three hazardous metals (Cd, Pb, and Hg). The concentrations of hazardous metals in all samples were within the limits set by Korea and other countries. The estimated dietary intake (EDI) was compared to the provisional tolerable daily intake (PTDI) adopted by the Joint FAO/WHO Expert Committee on Food Additives and the U.S. Environmental Protection Agency. The EDIs of all heavy metals tested for mussel samples ranged from 0.01 to 4.99% of the PTDI; the highest value was measured for As. The hazard index (HI) can be used to assess the risk of heavy metal consumption associated with contaminated food. The HI for all samples was far less than 1.0, which indicates that the mussels produced in the Changseon area do not represent an appreciable hazard to humans and are fit for consumption.
Unreamed intramedullary interlocking nail 을 이용한 경골 간부 골절의 치료
최장석,유현덕,서승석,안기찬 대한골절학회 1994 대한골절학회지 Vol.7 No.1
In general, blood supply of the long bones contributes three ways-nutrient, metaphyseal and periosteal vessels. Its vascular damage is caused by major trauma or extensive soft tissue det-achment. When the diaphysis of long bone is reamed, endosteal blood supply is eliminated. In our hospital, 23 selected cases of the diaphyseal fracture of tibia have been treated by manipulative reduction, unreaming of the medullary canal and fixation of fracture fragments with an interlocking intramedullary nail for preservation its vascularity as possible. We analized the patients from Jan. 1992 to May. 1993, who were followed up for a mean 12 months. Most of cases were acute, 18 of these cases were open fracture and main cause of the injury was traffic accidents. Overall, 90% of the patients were judged to have good or excellent result based on both clinical and radiological parameters, and the average bony union time was 17 weeks. The complications were mainly infection(3 cases), loosening or breakage of the locking screws(3 cases) and delayed union(1 case). The merits of unreamed interlocking nailing were relatively easy procedure, short operation time, decreased compications, rigid fixation and early rehabilitation. We concluded that unreamed intramedullary interlocking nailing is a useful method to treat the tibia shaft fractures, especially open type.
허현,유현덕,서승석,김영창,최장석,이영구 인제대학교 1995 仁濟醫學 Vol.16 No.3
소아 고관절 골절은 대부분 심한 외력에 의해 초래되므로 동반 손상이 많고, 치료 후에도 합병증이 빈발하므로 치료에 많은 어려움이 따르지만, 조기에 해부학적 정복 및 견고한 내고정을 함으로써 좋은 결과를 기대한다고 하였다. 이에 저자들은 1년이상 추시관찰이 가능했던 소아 고관절 골절 38례를 대상으로 그 치료 결과를 분석 하였다. The femoral neck fracture in the children is a rare injury and occurreda by severe trauma in the most cases. This accounts for the high frequency of serious associated injuries. Since the femoral neck in children has many anatomic and physiologic differences, there are many difficulties during the treatment period and complications such as coxa vara, avascular necrosis of the femoral head, and premature epiphyseal closure are commonly encountered following treatments. 38 cases treated at Paik Hospital from Jan. 1979 to Aug. 1992 were analyzed both clinically and radiologically. The following results were obtained 1.The commonest age group was between 10 and 15 years and the ratio of boys to girls was approximately 1.5 : 1. 2.According to the classification of Delbet and Colonna, the cervicotrochanteric fracture was the most common type (50% of the cases) and displaced fracture was 30 cases(79%). 3.The main cause of fracture was traffic accidents, which occurred in 17 cases (45%). 4.Associated injuries were long bone fracture and pelvic bone fracture and genitourinary injury. 5.In type I, II, III fracture by early reduction and internal fixation, and in type IV fracture by conservative treatment, we gained satisfactory results. 6.Complications were developed in 16 cases(42%) The commonest complication was coxa vara, 7 cases(17%) and other complications was avascular necrosis, 5 cases(13%) and premature epiphyseal closure, 4 cases(11%).