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송창훈,조현석,김정철,이재은,하장,백태현,박정한,Song, Chang-Hun,Cho, Hyun-Seok,Kim, Jung-Chul,Lee, Jae-Eun,Ha, Jang,Baik, Tae-Hyun,Park, Jung-Han 대한한방내과학회 2005 大韓韓方內科學會誌 Vol.26 No.4
Ileus is blockage of the intestine that prevents the contents of the intestine from passing to the lower bowel. In western medical treatment, surgery is mandatory for severe cases such as strangulation ileus. However more generally, conservative management is used for treatment. Examples of conservative management are decompression with tube, fluid treatment, enema and fasting cure. Until now, many oriental medical studies have been conducted on chronic ileus, but almost none on acute ileus. The results for the case in this report suggest that oriental medical treatment such as acupuncture, moxibustion, herbal medicine is effective in treating acute ileus. We think that further studies should be conducted on a combination therapy with other oriental medical treatment such as retention enema.
제대동정맥 ECMO를 적용한 염소태아의 혈액가스 및 혈류역학 변화
송창훈(Chang Hun Song),소금영(Geum Young So),이국현(Kook Hyun Lee),박석천(Sok Cheon Pak) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.9
Objectives : The purpose of this study is to establish animal model of extracorporeal membrane oxygenation (ECMO) system that uses membreane type oxygenator and circulation circuit of umbilical artery and vein. Blood gas and hemodynamic changes in the fetal goat undergoing ECMO were also evaluated. Methods : Total 15 pregnant goat had been used to perform extrauterine fetal incubation using ECMO through umbilical artery and vein. Cesarean-section was performed to pregnant goat (35 kg) of 120-130 days of gestation to insert catheters (8 Fr) into the umbilical artery and vein. The tip of inserted catheter's the other end was connected with the circuit system including membrane type oxygenator (Polystan) and roller pump. A total of 300 ml of blood was drawn from donor nonpregnant goat and primed into circuit on the day of surgery. The goat fetus was immersed in a chamber filled with artificial amniotic fluid to monitor blood flow dynamics and blood gas was analyzed. Results : The ECMO system using umbilical cord in the extrauterine incubation of fetal goat was developed and maximum survival of goat fetus was 34.5 hrs (mean survival was 856.6±688 min). Oxygen tension (PO2) in umbilical artery and vein were 20.53±2.54 mmHg, 31.03±13.03 mmHg and oxygen saturation (SO2) in umbilical artery and vein were 46.61±18.14 mmHg, 71.56±15.39 mmHg. Mean blood flow was 176±62 ml/min/kg. Conclusion : We suggest that our experimental model as an extrauterine fetal research could be a reasonable method in future advanced studies. However, longterm survival of extrauterine fetus needs more suitable hemodynamic and blood gas condition supported by further researches.
이창훈(Lee chang-hun),이성일(Lee sung-il),송창훈(Song chang-hun),이종원(Lee chong-won) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
In the production of semiconductor, the final step is an electronic packaging in which the designed -circuit chip is attached to the actual component. The electronic packaging has the trends. of small-size, light-weight, and fine-pitch. Solder ball attachment process is to dispense flux onto th~ golden pad, and pick/place solder balls onto the flux area using solder ball attachment unit so that retlow ovening process for soldering can be carried out in the next process. The new approach to use pin dotting type flux instead of screen printing fluxing was applied for the experiment. The result shows that the flux volume can be controlled easily by the pin dotting fluxing method.