ANATOMICAL EXPANDER와 IMPLANT를 이용한 유방 재건의 경험

고법민,박원진,김재중,하범준,이재승,신명수 大韓成形外科學會 1999 Archives of Plastic Surgery Vol.26 No.3

The use of a tissue expander and implant is the simplest option for breast reconstruction after mastectomy. Use of a round dome-shaped prosthesis and the commonly used one-stage technique with a Becker type prosthesis, however, often produces an undesirable upper pole fullness. To overcome this and to achieve improved aesthetic results, we started using an anatomically-shaped expander and implant, as described by Maxwell, as a two-stage breast reconstruction. We reviewed the results of our 21 reconstructed breasts in 22 patients who were deemed suitable for reconstruction using this technique since January 1995. The most commonly used expander was 350cc (range 350-550cc) and an average of 4.2 inflations were required before replacing the expander with a permanent implant. All the expanders were placed in submuscular pockets and implant volume. The longest follow-up was 36 months. Few complications developed and most patients were satisfied with the results. We found that the anatomically-shaped expander and implant produced better aesthetic results compared to a done-shaped prosthesis.

朱震亨의 中風論에 관한 考察

고경덕,이동원,정승현,신길조,이원철 동국대학교 한의학연구소 1997 東國韓醫學硏究所論文集 Vol.6 No.1

朱震亨은 金元四大家중 가장 후대의 인물로서 朱子學의 철학적 배경에 근거하여 劉河間, 張子和, 李??의 장점을 흡수하여 醫論을 펼쳤으므로, 金元四大家의 中風 內因論을 인식하는데 있어 그 의미가 크다. 朱震亨 中風論의 특징은 그가 거처한 純域的 特性에 근거하여 肥瘦人과 半身不遂의 左右에 따라 각각 治法을 달리하였으나, 中風 病因病理를 濕痰生熱로 보고 內因의 주요소로 痰을 중시하여 中風入方藥物은 治痰한다는 원칙에 기준하여 藥物을 사용하였다. 이러한 독특한 中風論은 후대 中風 內因論의 발전에 지대한 영향을 주었으므로, 이에 관한 연구는 中風 內因論 측면에서 韓醫學發展에 寄與할 것으로 恩慮된다. We inquired into the origins, pathologies, theraphies and prescriptions of Jungpung(中風) especially on the ground of Keokchiyeron(格致餘論)ㆍDangeosimbub(丹溪心法) written by JuJinHyoung(朱震亨) as modical blocks, from this study we could get that conclusions. 1. According to special feature of the theroies of JuJinHyoung's(朱震亨) Jungpung(中風) he thought pathologies of Jungpung(中風) as 「sub seong dam dam seong yeol yeol seong puns 濕疾痰痰生熱 熱生_風」through studying stress on regional characteristics and thought much of dam(疲) as one of major elements of internal causes. 2. He suggested chi-dam(治痰) in the first place in the treatment of Jungpung(中風) and emphasises the treatment using Succus Pyllostachyos(竹瀝), waterly extracted Rhizoma Zingiberis(鐘汁) in that they had the virtues of sodam-ganghwa(消痰降火), geo-gyeongrak(開經絡), haeng-heolgi(行血氣). 3. He treated differently whether a man in fat and thin, and have right or left hemiplegia, but he prescribed herb-medications on the principle that medications should have the virtues of chi-dam(治痰).

오토폼 소프트웨어를 사용한 원통형상의 드로잉 공정해석

정동원,고형훈,문원섭 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.1

Drawing process at the household goods until industrial site is used in the various filed. This study are drawing process analysis using Auto-Form software which used a Static-implicit time integration method. Analysis simulation result, it was possible to know that choice of a bead and blank size choice can be optimized through a forming analysis. By making apply this to an industrial site the productivity improvement and cost reduction etc. effect able was predicted.

쉘 요소를 이용한 박판 성형 공정 해석의 산업현장 적용에 관한 연구

정동원,고형훈,문원섭 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.2

Finite element analysis of sheet metal forming process is generally carried out by the explicit and implicit time integration method. And membrane, shell and continuum element are applied to finite element analysis. Membrane analysis can not provides sufficient information for the process which involve considerable bending effects. Shell element allows the consideration of bending effects, but involves too much computational time. In order to estimate in sheet metal forming processes used Auto-Form software using static-implicit method and shell element. Result, by applying this to an industrial site the productivity improvement and cost reduction etc. effect able was predicted.

정적-내연적 이론을 이용한 Cowl Top Otr 판넬 해석에 관한 연구

정동원,안현길,고형훈,문원섭 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.1

The static implicit finite element method has been effectively applied to analyze total cowl top otr panel stamping processes, which include the forming stage. Complicated and abnormal large size cowl top otr panel was analyzed by using commercial program called AutoForm. Analysis results examining possibility and validity of the AutoForm software and the factor study are presented. Furthermore, the simulated results for the total cowl top otr panel stamping processes are shown and discussed. Its application is being increased especially in the automotive industry for the cost reduction, weight saving, and improvement of strength.

고속가공을 위한 검사시편에 관한 연구

정종윤,황영수,이춘만,정원지,고태조 한국공작기계학회 2003 한국생산제조학회지 Vol.12 No.4

The properties of a machine tool greatly affect machining quality since a machine tool has large variance in its features. Machine tool makers want to find best machining condition with the one that they have built. Machine builders need to develop test specimen since it helps finding characteristics of machine tools when the machining properties of the specimen are analyzed. This paper develops test specimen to identify features of the main spindle, the feeding device, and the frame of a machine tool. The specimen is machined with a high speed machine and the features of the machine are analyzed with test items. They are surface roughness, overshoot in axial movement, errors in circular movement, feeding with small movement, and compensational error. This work can improve usability for a machine tool in machining practice.

공공체육시설 운영효율화를 위한 개선방안

고정훈,정경희,박영표,최형원 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.1

The purpose of this study was to provide some improvements for management efficiency of the public sports facilities by analyzing customer satisfaction and opinion of the employers about management system of the public sport facilities. To perform the purpose, this research surveyed 395 customer and 50 employers from 4 cities in Jeollabukdo province. The survey instrument was self developed based on information from prior studies conducted by Hur(1997), Park(1996) and Lee(2001). The statistics analysis method adapted One-way ANOVA in SPSSWIN 10.0 Program The conclusion of this study are as follows. First, The analysis of customer satisfaction. Customer satisfaction level with public sports facilities was higher in the public management facilities than consigned facilities. Especially part of management service. But in indoor gymnasium, consigned facilities was higher. Second, The analysis of Repurchasing and Recommendation behavior. Repurchasing and Recommendation behavior level with public sports facilities was higher in the public management facilities than consigned facilities. Third, In the investigation of employers opinion about management system of the public sports facilities. For the management efficiency of the public sports facilities, organizational restructuring is necessary. The structure of the public sports facilities should be redesigned to decentralize decision-making function. The local sports administrators should have considerable permissive powers. So they can act independently ; they can enable, support and encourage self-helf and initiative. The consignment of the facility management of the public sports facilities such as maintenance and guarding is also needed, finally to enhance the efficiency of the public sports facilities, they are needed to management expert, reinforce the public relations function, marketing strategy, responsible management system, and so on.

PNL S/ABS HUS’G L/R 제품개발을 위한 성형해석

정동원,고형훈,문원섭 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.1

The characteristic of sheet metal process is the few loss of material during process, the short processing time and the excellent price and strength. FEA applications with the sheet metal forming process is purpose that increasing due to the potential of time and cost saving. This study are industrial field problem solve using AutoForm which used a Static implicit way. According to this study, the results of simulation will give industrial site good information to access the Design sheet metal forming.

뼈흡수유도호르몬이 ROS17/2.8세포로부터 Nitric Oxide 형성에 미치는 영향

고선일,김민성,한원정,김세원,김정근 대한구강악안면방사선학회 2005 Imaging Science in Dentistry Vol.35 No.3

Purpose : We performed the present study to investigate whether osteotropic hormomes play roles on the nitric oxide (NO) production in culture of ROS17/2.8 osteoblastic cells. Materials and Methods : The osteoblastic cell line ROS17/2.8 cells were cultured in F12 medium supplemented with 5% fetal bovine serum (FBS) at 37?C in a humidified atmosphere of 5% CO₂ in air. ROS17/2.8 cells were plated in 96-well plates at a density of 2-3×10³ cells/well and grown to confluence. Then the cells were pretreated with osteotropic hormones (parathyroid hormone (PTH) 20-500 ng/mL, 1,25 dihydroxycholecalciferol (1,25[OH]₂D₃) 1-100 nM; prostaglandin E₂ (PGE₂) 20-500 ng/mL) in the medium supplemented with 0.4% FBS for 72 hours and the cells were treated with cytokines (TNFα and IFNγ) in phenol red-free F12 medium for an additional 48 hours. NO synthesis was assessed by measuring the nitrite anion concentration, the reaction product of NO, in the cell culture medium using Griess reagent. Results : PTH and 1, 25[OH]₂D₃ pretreatment induced a significant increase in NO production in the presence of TNFα and IFNγ. PGE₂ slightly induced NO production compared to the control group. But, PGE2 pretreatment did not affect in NO production in the presence of TNFα and IFNγ. Conclusions : These results suggest that the actions of osteotropic hormones in bone metabolism may be partiallymediated by NO in the presence of cytokines.

독소루비신과 알로퓨리놀이 화학적 근절제에 미치는 영향

정원균,고한웅,강동희,구상환,박승하 大韓成形外科學會 2004 Archives of Plastic Surgery Vol.31 No.3