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Free-form Surface Generation from Measuring Points using Laser Scanner
Park, Jae-Won,Hur, Sugn-Min,Lee, Seok-Hee Korean Society for Precision Engineering 2002 International Journal of the Korean Society of Pre Vol.3 No.4
With the development of a laser scanner of high precision and increased speed, reverse engineering becomes a key approach to reduce the time for the development of new products. But the modeling process is not so automated enough until now. Modeling in real workshops is usually performed by the experienced operators and it requires a skillful technique to get the resultant surface of high quality and precision. In this paper, a systematic solution is proposed to automate the free-form surface generation from the measured point data. Compatibility is imposed to the measured point data during input curve generation. And the compatibility of cross-sectional curve is also considered for the loft surface generation. The data in each step is produced in IGES file format to make an easy interface to other CAD/CAM software without any further data manipulation.
이현섭,허세형,진성민,이상혁,Lee, Hyun-Sub,Huh, Se-Hyung,Jin, Sugn-Min,Lee, Sang-Hyuk 대한후두음성언어의학회 2011 대한후두음성언어의학회지 Vol.22 No.1
Inflammatory pseudotumor is characterized by the presence of a mass that may mimic malignancy and is composed of spindle cells mixed with variable amounts of extracellular collagen, lymphocytes, and plasma cells It is benign tumor commonly involves lung and orbit and rarely that occurs in the head and neck The cause and pathogenesis of inflammatory pseudotumor still remain controversial. Some bacterial infection or chronic irritation may have prompted some speculation that an initially reactive process can change into an overt neoplastic disease. It tends to affect children and young adults than old ages. We present a case of inflammatory pseudotumor involving the tongue base, in a 73-year-old patient with repeated oral bleeding that aggravated over a few days. Clinical examination showed angiomatous polyp like findings in oropharynx that easy bleeding tendency. CT images showed well defined soft tissue mass with focal enhancement. After surgery, tumor was finally diagnosed inflammatory pseudotumor by histopathologic examinations showed plasma cells and inflammatory cells in variable fibrotic tissues.
측두 두정 근막 유리 피판술을 이용한 수, 족부 연부 조직 결손의 재건술
김수신,한흥수,정영덕,박성규,백롱민,백세민 大韓成形外科學會 1992 Archives of Plastic Surgery Vol.19 No.1
Soft tissue defect of the hand and foot, which can not be covered with skin graft or local flap, is usually reconstructed with free flap. Recently temporoparietal fascia free flap, which is a thin, pliable, and well vascularized flap, is used as an alternative to the cutaneous flap for the purpose of tendon gliding and cosmetic effects. According to our experience of reconstruction of 5 cases of the hand's and foot's soft tissue defects, the temporoparietal fascial free flap covered with split thickness skin graft is a very useful tool for reconstruction of small soft tissue defects of the hand and foot, functionally and esthetically.
동측 하지에 발생한 대퇴골 및 경골 골절의 치료와 합병증
이영구,김영창,최장석,공규민,서승석,안기찬 대한골절학회 1997 대한골절학회지 Vol.10 No.3
Ipsilateral fracture of the femur and tibia is difficult to treat because it is often comminuted and combined with severe soft tissue injury. And The result of treatment is poor in most cases. The thirty- four cases were treated at Pusan Paik Hospital from March, 1992 to February, 1995. The result were as follows; 1. The bony union time was shorter in the intramedullary nailing than other methods. 2. There were less complications in the group of used intramedullary nailing than other methods. 3. The intramedullary nailing was relatively good treatment method for ipsilateral fracture of the femur and tibia.