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이태걸(Tae Geol Lee),유진식(Jin Sik Yu),정효재(Hyo Jae Jung),김종형(Jong-Hyeong Kim),김준현(Joon Hyun Kim) 한국생산제조학회 2013 한국생산제조학회지 Vol.22 No.4
We have prepared a DEMO conveyor device for conveying a large 8G class glass sheet using ahorizontal air-cushion system. This device consists of the body frame and the driving frame that are combined to realize a frame for conveying glass without any contact. The driving frame comprises an air flotation table (bed), drive roller supported at both ends, and ASU. Part of the ASU serves to control the airflow as the chamber consists of a porous pad and fan. Fiber filters replace the porous pad and axial fans serve as an air compressor. In addition, to determine the appropriate glass levitation from the air table, this study examined the design specifications of the applied filter (discharge speed of HEPA and ULPA filters, and flow rate) as well as the height of the and the proper supporting roller height (14mm). Then, after adjusting the position of the ASU and the number of ASU srequired to configure the UNIT air floating C/V, we analyzed the height and flatness of the glass and derived the appropriate layout (1140-mm distance between ASUs).
상부요추와 하부요추 단분절 추간판 탈출증 환자의 임상적 특성과 한방치료 효과 비교연구
이주영 ( Ju-young Lee ),김용현 ( Yong-hyeon Kim ),김광휘 ( Kwang-hwi Kim ),김태연 ( Tae-yeon Kim ),이태걸 ( Tae-geol Lee ),이상운 ( Sang-woon Lee ),추희영 ( Hui-yeong Chu ),정희경 ( Hui-kyeong Jung ),정범환 ( Bum-hwan Jung ) 한방재활의학과학회 2018 한방재활의학과학회지 Vol.28 No.4
Objectives Upper lumbar disc herniation (LDH) (L1/2, L2/3) has specific anatomical characteristics and different outcome after conventional treatment compared to lower LDH (L3/4, L4/5, L5/S1). The purpose of this study was to compare the clinical features and effects of korean medical treatment of upper LDH between lower LDH. Methods We retrospectively reviewed the clinical data collected from 121 patients who was had admitted at the Haeundae Jaseng Hospital of Korean Medicine from June 1st, 2014 to August 31th, 2018. The patients who had treated at L1/2, L2/3 level LDH were grouped and compared with those treated at the L3/4, L4/5, L5/S1 level. We reviewed the patient characteristics such as age, the positive rate of Straight Leg Raise Test (SLR test), the presence or absence of previous lumbar surgery. Numeric Rating Scale (NRS) and Oswestry Disability Index (ODI) were evaluated at adimission and discharge. Results Mean age was significantly higher at upper LDH group and positive rate of SLR test was higher at lower LDH group. There was no significant difference of gender and previous lumbar surgery between two groups. Each group had a significant improvement of NRS, ODI scores. But between two groups, there was no significant difference of NRS, ODI scores. Conclusions Upper LDH group was older than lower LDH group. SLR test was useful tool to exclude upper LDH. Korean medical treatment was significantly effective to both upper and lower LDH groups. Further well designed prospective comparative studies are needed. (J Korean Med Rehabil 2018;28(4):43-50)
편두통의 침 치료에 대한 임상 연구 동향 분석 - 2012년도 이후 Pubmed 검색 중심으로
최기훈,김은지,권오훈,김광휘,김태연,이태걸,Choi, Ki-hoon,Kim, Eun-ji,Kwon, Oh-hoon,Kim, Kwang-hwi,Kim, Tae-yeon,Lee, Tae-geol 대한한방내과학회 2018 大韓韓方內科學會誌 Vol.39 No.2
Objective: To compare recent domestic and overseas research trends about acupuncture therapies on migraines. Method: Case reports and randomized controlled trials were searched via Pubmed. Searches were limited to publications between 2012 and 2017. Results: Four case reports and twelve randomized controlled trials were searched from Pubmed. Research showed that acupuncture therapies are more significantly effective than other therapies, such as sham acupunctures and Western medicines. Conclusion: There has been more active overseas research about acupuncture therapies on migraine compared to domestic studies. To examine the efficacy and suitability of acupuncture therapies on Koreans with migraines, domestic studies and research should be conducted more actively.
김지원,정희경,이주영,김광휘,김태연,이태걸,김동은,Kim, Ji-Won,Jeong, Hu-Gyeong,Lee, Joo-Young,Kim, Kwang-Hwi,Kim, Tae-Yeon,Lee, Tae-Geol,Kim, Dong-Eun 대한한방안이비인후피부과학회 2017 한방안이비인후피부과학회지 Vol.30 No.4
Objectives : The purpose of this study is to investigate recent clinical studies on the effect of acupuncture on hearing loss. Methods : Based on the PubMed search with the key search terms of 'hearing loss, acupuncture', dated from 2004 to 2017, 1 controlled trials, 3 case reports and 3 case series was found, and were analyzed for this study. Results : 1. The most commonly used acupoints were Shuaigu(GB8) and Fengchi(GB20). 2. The most commonly used meridians were the du channel, the gall bladder meridian of foot-shaoyang, and the triple bunner meridian of hand shaoyang. 3. Acupuncture treatment was effective for conductive and sensorineural hearing loss, especially sudden sensory neural hearing loss. 4. More clinical studies are needed to prove the effectiveness of the acupuncture on hearing loss. To be more objective on the study results, we can measure auditory brainstem response for hearing loss after acupuncture treatment.
요추 추간판 탈출증 환자의 한의치료 후 디스크 흡수율 비교 및 흡수에 영향을 주는 요인 분석 연구
김용현 ( Yong-hyeon Kim ),이주영 ( Ju-young Lee ),김광휘 ( Kwang-hwi Kim ),김태연 ( Tae-yeon Kim ),이태걸 ( Tae-geol Lee ),이상운 ( Sang-woon Lee ),추희영 ( Hui-yeong Chu ),정희경 ( Hui-gyeong Jeong ) 한방재활의학과학회 2018 한방재활의학과학회지 Vol.28 No.4
Objectives The purpose of this study is to analyze the effects of Korean Medicine treatment on lumbar disc herniation (LDH) and predictive factors associated with disc resorption by magnetic resonance imaging (MRI). Methods A retrospective study was carried out in 79 lumbar disc herniation patients who had visited Haeundae Jaseng Hospital of Korean Medicine. Patients' diagnosis was based on MRI. MRI was performed on two or more occasions and patients were received Korean Medicine treatment within the period. The volume of each herniated disc was measured three-dimensionally and patient characteristics, interval between MRIs, herniated disc level, disc herniation type, disc migration, intactness of posterior longitudinal ligament (PLL), initial volume of herniated disc, modic change, disc resorption rate were statistically analyzed. Results The mean volumes of herniated discs before Korean Medicine treatment and after Korean Medicine treatment were 1,547.81±598.15 mm3 and 947.06±335.28 mm3, respectively. The mean resorption rate was 35.7±16.3%. Disc extent, intactness of PLL and initial volume of herniated discs were significantly correlated with resorption rate (p=0.003, p=0.001 and p=0.024, respectively). Conclusions Korean Medicine treatment is an effective conservative treatment for lumbar disc herniation. Factors such as disc migration, intactness of PLL, initial volume of herniated disc have a significant association with disc resorption rate. (J Korean Med Rehabil 2018;28(4):33-41)
다공성 패드를 갖는 챔버의 배열에 따른 공기 부상 테이블의 비접촉 부상 수준에 대한 연구
김준현(Joon Hyun Kim),정영석(Young Suk Jeong),이태걸(Tae Geol Lee),김태훈(Tae Hoon Kim),정효재(Hyo Jae Jung) 한국생산제조학회 2013 한국생산제조학회지 Vol.22 No.6
This paper presents an applicable basic design that can configure non-contact levitation table for conveying a large sheet of glass. The suggested air levitation table consists of a series of air chambers with porous pads and fans as the conveyor system. The air supply chambers are arrayed to supply an adequately strong upward airflow for supporting the glass. Levitation is controlled by the size and discharge velocity, of the chamber arrays, as well as the glass supporting height. After pre-evaluation of the glass rigidity and the filer functional performance, a one-way fluid structure interface (FSI) analysis is performed for predicting pressure and deflection working of the 8G glass in the transverse and longitudinal directions, respectively. After comparing calculated levels of flatness of the glass, it determines the chamber array for the linear non-contact conveying motion.