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족지간 신경종의 감압술을 통한 임상적 치료 결과 (4예 보고)
박현우,Park, Hyun-Woo 대한족부족관절학회 2008 대한족부족관절학회지 Vol.12 No.1
Morton's neuroma has been treated with resection of the enlarged interdigital nerve by most of surgeons, but the numbness after resection could bother the patients. We reported the experiences of the good results after treatment of Morton's neuroma with the decompression of the interdigital nerve. Three patients, 4 feet were diagnosed to Morton's neuroma and taken the surgery, decompression of the interdigital nerve after the conservative treatments. The decompression can be considered first as another choice of treatment for interdigital neuroma before resection of the nerve.
박현우,유문집,황성수,Park, Hyun-Woo,Yoo, Moon-Jib,Hwang, Sung-Su 대한족부족관절학회 2007 대한족부족관절학회지 Vol.11 No.1
Glomus tumors are uncommon soft tissue tumors which usually found in a subungual lesion of hand, producing pain. This uncommon tumors have been reported in other locations, including nasal cavity, stomach, mediastinum, heart, lung, and vagina etc. Especially, it was a very rare case found in an extradigital lesion of foot. Glomus tumors should not be ruled out for an extradigital mass lesion of foot and also any other locations. Although glomus tumors are generally considered a benign lesion, it should be considered that glomus tumors have also reported as a malignant type tumor, even the diagnosis based on histologic features not clinical one.
지르코니아 광페룰 사출성형용 WC 코아 핀의 Diamond Like Carbon 코팅
박현우,정세훈,김현영,이광민,Park, Hyun-Woo,Jeong, Se-Hoon,Kim, Hyun-Young,Lee, Kwang-Min 한국재료학회 2010 한국재료학회지 Vol.20 No.11
A diamond-like carbon (DLC) film deposited on a WC disk was investigated to improve disk wear resistance for injection molding of zirconia optical ferrule. The deposition of DLC films was performed using the filtered vacuum arc ion plating (FV-AIP) system with a graphite target. The coating processing was controlled with different deposition times and the other conditions for coating, such as input power, working pressure, substrate temperature, gas flow, and bias voltage, were fixed. The coating layers of DLC were characterized using FE-SEM, AFM, and Raman spectrometry; the mechanical properties were investigated with a scratch tester and a nano-indenter. The friction coefficient of the DLC coated on the WC was obtained using a pin-on-disk, according to the ASTM G163-99. The thickness of DLC films coated for 20 min. and 60 min. was about 750 nm and 300 nm, respectively. The surface roughness of DLC films coated for 60 min. was 5.9 nm. The Raman spectrum revealed that the G peak of DLC film was composed of $sp^3$ amorphous carbon bonds. The critical load (Lc) of DLC film obtained with the scratch tester was 14.6 N. The hardness and elastic modulus of DLC measured with the nano-indenter were 36.9 GPa and 585.5 GPa, respectively. The friction coefficient of DLC coated on WC decreased from 0.2 to 0.01. The wear property of DLC coated on WC was enhanced by a factor of 20.
화학용액혼합과 수소환원법으로 제조된 나노 구조 Fe-Co 합금분말의 미세구조 및 자성 특성
박현우,이백희,이규환,김영도 한국분말야금학회 2003 한국분말재료학회지 (KPMI) Vol.10 No.5
The purpose of this study is the fabrication of nano-sized Fe-Co alloy powders with soft magnetic properties by the slurry mixing and hydrogen reduction (SMHR) process. $FeCl_2$0 and $CoCl_2$ powders with 99.9% purities were used for synthesizing nanostructured Fe-Co alloy powder. Nano-sized Fe-Co alloy powders were successfully fabricated using SMHR, which was performed at 50$0^{\circ}C$ for 1 h in H$_2$ atmosphere. The fabricated Fe-Co alloy powders showed $\alpha$' phase (ordered body centered cubic) with the average particle size of 45 nm. The SMHR powder exhibited low coercivity force of 32.5 Oe and saturation magnetization of 214 emu/g.
박현우,주인탁,황성수,Park, Hyun-Woo,Chu, In-Tak,Hwang, Sung-Su 대한족부족관절학회 2007 대한족부족관절학회지 Vol.11 No.1
Purpose: We analyzed to find out prognostic factors in the conservative treatment for the plantar fasciitis. Materials and Methods: The data were collected from 145 patients, 159 feet (M:F = 51:108) with conservative treatment and analyzed for possible prognostic factors : sex, age of onset, the duration of symptom before treatment, pain score before treatment, the duration for symptom remission, medication period, calcaneal pitch angle, and presence of calcaneal spur. Results: The duration of symptom before conservative treatment is affected to the prognosis, and the borderline of the effective period was about 6 months. Conclusion: With the conservative treatment of the plantar fasciitis, we found that (1) the duration of symptom before the conservative treatment was a prognostic factor, and (2) if the period before the conservative treatment was more than 6 months, the other treatment option such as surgery should be considered for this chronic group.
박현우,이봉철 한국골프학회 2020 골프연구 Vol.14 No.4
[목적] 본 연구는 페어플레이에 대한 도덕적 가치와 골프가 가지는 가치를 분석하고 골프지도를 위한 근본자료를 구 체화하는데 목적이 있다. [방법] 페어플레이는 골프 경기의 목적과 규범, 경쟁에 있어서 올바른 수행을 위해 규칙을 준수하고 기회 균등으로서의 공정성, 경쟁하는 파트너에 대한 존중에 있다. 골프가 가지는 역사적 기초로서 놀이에 서 출발하여 게임으로 그리고 스포츠로 진화되는 발전과정을 살펴보고 골프의 역사철학적, 심리학적, 사회문화적 가 치, 생리학적 가치, 경영학적 가치를 고찰하였다. [결과] 골프는 인간에게 공정으로서의 정의로 삶의 가치를 가지게 하고, 가능성에 대한 도전으로서 목적의식을 갖게 하며, 실존적인 삶의 의미를 갖게 한다. 골프가 주는 스포츠맨십은 지·덕·체 삼위일체로서의 사회요구와 시민정신을 확립하게 하여준다. [결론] 페어플레이를 통한 골프의 의미와 가 치는 보다 근본적으로 인간 삶의 더 폭넓은 근간을 형성하고, 사회연대감을 가진 바람직한 사회인을 희구하는 규범 의 스포츠이다. [Purpose] The following research shows the embodiment of moral acting and analyze it for the golf playing leaders. [Method] Fair play demonstrate the objective of the game, the right way to compete with others and make them respect each other's. As the historical foundation of golf, this research examined the evolutionary process of golf starting from just playing it, into games, and into sports. Examining the historical philosophy, psychological, sociocultural values, physiological values and business values of golf. [Result] Golf gives humans the meaning like that creates a sense of purpose as a challenge to the possibility and meaning of existential life. Gives knowledge, morals, and body spirits that helps to establish the social needs. [Conclusion] Defying the meaning and value of golf through fair play more fundamentally forms a broader foundation of human life and sport, Norm that seeks a desirable social person with a sense of social solidarity.