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윤형조,조상희,신현웅,김성훈,변경환 대한초음파의학회 2010 ULTRASONOGRAPHY Vol.29 No.1
Round ligament varices during pregnancy are an important part of the differential diagnosis of inguinal hernia as they may cause symptoms and clinical features that are similar to those of inguinal hernia. When this condition is correctly diagnosed, an unnecessary operation may be prevented. The diagnosis of round ligament varices should be considered for pregnant women who present with a palpable mass in the groin. We describe here a case of round ligament varices that presented during pregnancy and this was readily diagnosed with Doppler sonography.
윤형조,강수명,이준재 제어·로봇·시스템학회 2019 제어·로봇·시스템학회 논문지 Vol.25 No.3
In this paper, we propose a sensor device, which consists of a laser radiator and a camera that acquires the transmitted and reflected laser light, to measure the conformal coating thickness on the PCB substrate using the optical triangulation method. The linear laser is radiated onto the coated surface, which is a transparent material, and the camera acquires the energy reflected from the coated surface and the inner surface, respectively. Then, the thickness can be calculated from the distance between the points by extracting the centers of two dominant linear signals of the coated and inner surfaces in the image. As a result of this study, it is possible to measure the non-contact-type PCB-coated surface, so that the accurate thickness can be measured without damage to the coated surface, and stability can be ensured.
외장성 간세포암종으로 오인된 대망에 생긴 부신잔류종양: 증례 보고
윤형조,김성훈,박재복,조현철,손미영,김태봉,신현웅 대한영상의학회 2010 대한영상의학회지 Vol.63 No.1
부신잔류종양은 대부분 복부와 골반강에서 보고되는 이소성 부신피질 조직이며 저자들이 조사한 바로는 아직 대망에서 생긴 경우는 보고된 적이 없다. 우리는 병리학적으로 확인된 76세 남자 환자의 대망에 생긴 부신잔류종양을 보고하고자 한다. Adrenal rest tumors are aberrant adrenocortical tissue which has been most commonly described in abdominal and pelvic sites. To our knowledge, there has been no previous description of an adrenal rest tumor of the greater omentum. We present a case of a pathologically confirmed adrenal rest tumor of the greater omentum in a 76-year- old man.
이준재(Joon Jae Lee),윤형조(Hyeongjo Yoon) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.6
In this paper, we propose a method to measure the thickness of the conformal coating sprayed on the PCB substrate in real time. The principle of measurement is to scan a linear laser beam and acquire each energy emitted from the surface of the substrate and the surface of coating with a camera. The thickness is then calculated by triangulation method. Therefore, the proposed system consists of a linear laser beam generating optical system, an image receiving optical system, and a signal processing system for processing the image signal to calculate the thickness.
이도영,강재도,임문섭,윤형조,Lee, Do-Young,Kang, Jae-Do,Lim, Moon-Sup,Yoon, Hyeong-Jo 대한족부족관절학회 2007 대한족부족관절학회지 Vol.11 No.1
Traumatic dislocation of the peroneal tendon is an infrequent injury. This injury is caused by forceful dorsiflexion of the foot accompanied by a powerful contraction of the peroneal muscles. This mechanism of injury tears the superior peroneal retinaculum and allows the tendons to snap anteriorly. We experienced a case of chronic recurrent dislocation of the peroneal tendon, which was treated by bone block surgery using autograft of lateral fibula and reattachment of the superior peroneal retinaculum. The clinical result was satisfactory.
인터랙티브 장비를 활용하는 게임 제작과 활용 방안 고찰
이석원 ( Seok-won Lee ),윤형조 ( Hyeong-jo Yoon ),김기범 ( Kibum Kim ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.1
아두이노[1]와 라즈베리파이[2]의 개발 이후로 누구나 쉽게 인터랙티브 장비를 만들어보고 여러 프로젝트를 진행할 수 있게 되었다. 그리고 대표적인 게임 엔진으로 뽑히고 있는 유니티(Unity)[3]와 언리얼 엔진(Unreal Engine)[4] 덕분에 컴퓨터 전공자가 아니더라도 게임을 쉽게 만들 수 있는 시대가 되었다. 본 프로젝트에서는 아두이노를 이용한 인터랙티브 장비를 만들어보고 개발한 장비를 활용하여 플레이 할 수 있는 게임을 유니티로 제작하였으며 이를 어떠한 분야에 활용하면 긍정적인 효과를 줄 수 있을지에 대해서 고찰하였다.
내측 설상골에 발생한 전 경골건에 의한 견열 골절 (1예 보고)
안수한,김형천,김광열,윤형조,김인열,Ahn, Su-Han,Kim, Hyung-Chun,Kim, Kwang-Yeol,Yoon, Hyeong-Jo,Kim, In-Yeol 대한족부족관절학회 2010 대한족부족관절학회지 Vol.14 No.2
Avulsion fracture of medial cuneiform by tibialis anterior tendon is quite rare. It has been reported about the avulsion fracture and surgical repair of tibialis anterior tendon rupture at distal insertion site of medial cuneiform in Korea. We report a case of right foot medial cuneiform avulsion fracture by tibialis anterior tendon after autobike accident and describe this case with a review of literature.
김광열,김형천,안수한,윤형조,조성준,Kim, Kwang-Yeol,Kim, Hyoung-Cheon,Ahn, Su-Han,Yun, Hyoung-Jo,Cho, Sung-Jun 대한족부족관절학회 2010 대한족부족관절학회지 Vol.14 No.1
Purpose: The purpose of this study is to evaluate the clinical and radiologic results of using Acutrak screws for treating ankle medial malleolar fracture. Materials and Methods: We reviewed 38 cases of ankle medial malleolar fracture treated with Acutrak screws from February 2005 to May 2008. Results: In clinical result, there were 30 exellent cases, 7 good cases, 1 fair case. In radiologic result, there is no case with reduction loss. Average union time is 10.5 weeks. Conclusion: We conclude that Acutrak screw fixation is a useful method for ankle medial malleolar fracture, there are many advantages in accurate anatomical reduction, small incision, short operative time.