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Sunghun Park,Auh Whan Park 소화기인터벤션의학회 2018 International journal of gastrointestinal interven Vol.7 No.1
A 75-year-old male with recurrent pancreatic adenocarcinoma after a previous Whipple’s procedure presented with jaundice. The local advancement of the tumor caused obstructions of the common bile duct, intrahepatic bile duct hilum, and small bowel. Endoscopic stent insertion was precluded by the Roux-en-Y reconstruction. A successful transhepatic percutaneous single-access stenting of the whole biliary tree and intestine was achieved by H-configured triple stenting by combining T-configured dual stent placement in the biliary system with a duodenal stent insertion across the bottom of the anastomosis after looping a wire in the afferent limb. The ‘H-configured’ stents remained patent for 10 months without major or minor complications. This technique adds a new minimal-invasive and effective palliative option for patients with obstruction of a bilio-enteric anastomosis inaccessible to endoscopy.
Designing Vegetables and Fruits for Improved Nutrition and Health – Calcium
Sunghun Park,Ning Hui Cheng,Jon K. Pittman,Kil Sun Yoo,Jungeun Park,Tae-Suk Kang,Chang-Kil Kim,Jeung-Sul Han,Sunggil Kim,Leonard M. Pike,Roberta H. Smith,Bhimanagouda S. Patil,Kendal D. Hirschi 한국원예학회 2006 한국원예학회 기타간행물 Vol.- No.-
Sunghun Park,Auh Whan Park 소화기인터벤션의학회 2018 Gastrointestinal Intervention Vol.7 No.1
A 75-year-old male with recurrent pancreatic adenocarcinoma after a previous Whipple’s procedure presented with jaundice. The local advancement of the tumor caused obstructions of the common bile duct, intrahepatic bile duct hilum, and small bowel. Endoscopic stent insertion was precluded by the Roux-en-Y reconstruction. A successful transhepatic percutaneous single-access stenting of the whole biliary tree and intestine was achieved by H-configured triple stenting by combining T-configured dual stent placement in the biliary system with a duodenal stent insertion across the bottom of the anastomosis after looping a wire in the afferent limb. The ‘H-configured’ stents remained patent for 10 months without major or minor complications. This technique adds a new minimal-invasive and effective palliative option for patients with obstruction of a bilio-enteric anastomosis inaccessible to endoscopy.
Framework for DSS Interface Development
Park, Sunghun 한국경영과학회 1992 經營 科學 Vol.9 No.2
Rapid, flexible development of user interfaces for decision support systems of complex functionality is an important unresolved issue. Following the spirit of research into user-interface management systems, we advance a three-fold scheme for interface development that partitions the effort into interface, event, and functionality development tasks. In the context of this perspective, we introduce a mechanism called graphic structure editor interactors which constitute customized decision support system interfaces. Moreover, we introduce languages for defining and using such interactors.
Sunghun Cho,DongSoo Lee,Juri Lee,Hyung-Gu Park,YoungGun Pu,Sang-Sun Yoo,Keum Cheol Hwang,Youngoo Yang,Cheon-Seok Park,Kang?Yoon Lee 대한전자공학회 2016 Journal of semiconductor technology and science Vol.16 No.3
This paper presents a 4-channel multi-rate vertical-cavity surface-emitting laser (VCSEL) driver. In order to keep the output power constant with respect to the process, voltage, temperature (PVT) variations, this research proposes automatic power and magnitude. For the fast settling time, the high-speed 10-bit time-interleaved Flash-successive approximation analog to digital converter (Flash-SAR ADC) is proposed and shared for automatic power and magnitude calibration to reduce the die area and power consumption. This chip is fabricated using 0.13-μm CMOS technology and the die area is 4.2 mm². The power consumption is 117.84 mW per channel from a 3.3 V supply voltage at 10 Gbps. The measured resolution of bias /modulation current for APC/AMC is 0.015 mA.