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내수 정면 충돌 시험 대응을 위한 동승석 PAB 쿠션 형상 연구
이호준(Ho Joon Lee),이연복(Youn Bock Lee),함정식(Joung Sik Ham) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
The frontal crash test methods and references are divided into two types. One is the 56Kph full frontal crash test. The other is the 64Kph 40% offset deformable barrier frontal crash test. These two methods will be used for New KNCAP for enforcing the regulation. Those test methods has different protocol in ATD on passenger seat and even show different injury trend according to the different vehicle crash pulse. The purpose of this paper is to study the optimized shape of passenger air bag cushion to meet the both frontal crash test method and to know how various cushion shape effect to the dummy injuries on both 56Kph full frontal crash test and 64Kph 40% offset deformable barrier frontal crash test for KNCAP.
Cornell Medical Index 에 의한 Chronic Urticaria 와 Alopecia Areata 환자의 정신 건강 평가
이강우,허원,이연복 대한피부과학회 1977 大韓皮膚科學會誌 Vol.15 No.1
This study was to obtain psychosomatic factors influencing cause of chronic ureicaria and alopecia areata with comparison of dermatophytosis. This survey was carried out by Cornell Medical Index from March 1975 to- September 1976 on total 93 persons which constitute 22 chronic urticaria,38 alopecia areata and 33 dermatophytosis at; the out patient clinic of dermatology department of St. Mary' hospital Findings were as follow: 1. The average numbr of complaints of over-all section was 47.36+26.89, the somatic section (31. 73+16. l4) and the psychic (l5. 64+-12. 64) in the chranic urticaria. The average number of complaints of over-all section was R8.50+20.89, the somatic section (22. 63+-13. 10) and psychic section (15. 87+-9. 90) in the alopecia areata, For the control, over-all section was 25. 18+18. 87, the somatic section (16. 30+l2. 38) and the psychic(8. 88+8. 96) in the dermatophytosis. Consquently, there was an increased number of complaints in the group of chronic urticaria and alopecia areata than the control group. 2. There was increased complaint of both the somatic and psychic section in the chronic urticaria. 3. There was increased complaint of psychic section than the somatic section in the alopecia areata.
허원,이연복 대한피부과학회 1975 大韓皮膚科學會誌 Vol.13 No.2
Lidex(Fluacinonide) 0.05% in FAPG base is a new fluorinated topical corticosteroid. 30 patients with different steroid responsive dermatoaes were treated with 0. 05% Lidex. The diagnosis included atopic dermatitis, contact dermatitis, neurodermatitis, seborheic dermatitis, nummular eczema, psoriasis vulgaris, chronic eczema and pustulosis pahmaris et plantaris. In the majority of cases Lidex cream produced excellent to good result(70%) after unoccluded application 3 times daily for 10 days. Two patients complained burning or itching sensation after the initial application of Lidex. 0.05% Lidex was compared with 0. 25% Desoxymethasone cream and 0. 25% Fluocortolone cream and was found slightly more effective in Lidex.
허원,이연복 대한피부과학회 1973 大韓皮膚科學會誌 Vol.11 No.2
Multiple basal cell epithelioma on the face is a rare disease and the lesions are hard to indistinguish from multiple trichoepithelioma. The 15-year-old school girl has been suffered from multiple small pea-sized, slightly waxy appearing skin lesions on the face for 4 years. She has no history of arsenic ingestion; irradia tion and previous dermatoses. Physical examination and X-ray films (chest, mandibule and skull) showed no pathological findings. Biopsy findings revealed basal cell epithelioma cells.
조백기,허원,이연복 대한피부과학회 1975 大韓皮膚科學會誌 Vol.13 No.2
This clinical & histopathological study was performed with 48 cases of cutaneous tuberculoeis among 44460 cases of out patient in Dermatologic clinc of St. Mary's hospital, Catholic Medical College, from 1970 to l974. These 48 cases were consistent with skin tuberculosis in histological and clinical findings. The results are follows. I. Clinical observation. 1) The incidence of skin tuberculosis is 0. 1%, among 44460 cases of out patients. 2) Localized type of skin tuberculosis is l. 4 times more than disseminated type. 3) The ratio between male and female is 2. 4: l. 4) The age of onset is different from type to type, but 70. 8% of all cases occured before the age of 29. 5) Common skin tuberculosis is Erythema induratum (31. 3%),Lupus Vulgaris (20.8%) and Papulonerotic tuberculid (12.5%) II. Histopathological observation. 1) Only 12. 5% of the cases showes typical structure of tubercle in dermis and subcutis. 2) Caseation necrosis showes in 47% and their amounts are different between the types. 3) About 75% of cases showes Langhans giant cells but some of the cases show foreign body giant cells in tubercle or tuberculoid structures. 4) Vessels are involved in all of the cases. Main changes are wall proliferation, degeneration and perivascular infiltration. 5) A.F.B. stain showes negative in all cases.
김정원,허원,이연복 대한피부과학회 1974 大韓皮膚科學會誌 Vol.12 No.4
Malignant melanoma is rare in Asian and one of the poorer prognostic disease. Approximately 25% of all patients with malignant melanoma has been occured at the site of pigmented leasion. Primary location of melanome on palm is known to be 1.3% which is rarer than that of the other site. This report is a case of 65 year old man who has a walnut sized bluish-black tumor(4*5*3cm) on left palm which developed from the brownish black spot. According to the patients statement the spot was started since childhood and gradually increase in size since last 5 years. The mass, however, was rapidly growing with superficial ulceration since 3 months previously. No metastatic skin leasion was found around the tumor mass and left upper extremity. There were no palpable tymphnodes in the left axillary and epitrochlear area. Skin biopsy specimen showed findings consistent with malignant melanoma and cell composition was predominant in the fusiform cell than the cuboidal cell, and exillary lymphnode showed only dermatopathic changes. Bone X-ray of left hand and chest X-ray showed no abnormal findings and metastatic sign. B-E(bellow elbow) smputations on left foream was performed. During postoperativ he has had general and no metastatic signs.