• Title/Summary/Keyword: wiring

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Surgical Treatment for Acute Acromioclavicular Joint Dislocation (급성 견봉쇄골관절 탈구의 수술적 치료)

  • Kim Jeong Hwan;Kim Chong Kwan;Lee Saeng Guk;Kim Young O;Park Jae Kyu;Yoon Jong Ho
    • Clinics in Shoulder and Elbow
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    • v.4 no.1
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    • pp.17-23
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    • 2001
  • There has been considerable controversy concerning the methods for treatment of dislocation of the acromioclavicular joint, especially in grade III injury. The authors have treated 24 cases of the complete dislocation of the acromioclavicular joint from January 1990 to July 2000. We performed 14 cases of coracoclavicular wiring operation, 10 cases of modified Phemister operation and compared the results and complication of wiring operation with modified Phemister. The clinical results in modified phemister operation were excellent in 8 cases(80%), good in 1 case(l0%), fair 1 case(10%). In wiring operation, excellent is 11 case(78%), good is 2 case(14%), fair is 1 case(14%). The complications of modified Phemister operation were breakage and migration of K-wire in 2 cases. In wiring operation, breakage of wire was in 2 cases but migration was not showed. We prefered coracoclavicular wiring operation for dislocation of acromioclavicular joint of active young adults because of the following advantages: 1) violation of acromioclavicular joint can be avoided but rotation of the clavicle was not restricted. 2) The operation is simple to perform. 3) Postoperative immobilization is minimal. 4) Removal of the wire is easy because wire was not migrated when breakage of wire was occured.

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A Study on the Fire Risk of Black Box Wiring in Motor Vehicle (자동차의 블랙박스 와이어링 화재 위험성에 관한 연구)

  • Kang, Sin-Dong;Kim, Ju-Hee;Choi, Jun-Pyo;Kim, Jae-Ho
    • Journal of the Korean Society of Safety
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    • v.32 no.6
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    • pp.22-28
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    • 2017
  • According to the National Fire Data System (NFDS), more than 5,000 vehicle fires have occurred every year for the last 10 years. Vehicle fires are primarily caused by mechanical (breaking system and engine), electrical (wiring and battery), and chemical (oil and fuel gas leakage) problems. The electrical factor has increased with the installation of driver convenience equipment. For example, today, the black box is widely used to provide video data recording of motor vehicle accidents. The black box consists of a front camera, rear camera, and wires. The black box wires are directly connected to the junction box or fuse box from the start battery that operates to provide normal on power supplying for engine stop. It is extremely dangerous when the wires short circuit due to insulation aging, mechanical and electrical stress, etc. In this study, the black box wiring fire risk have been analyzed and investigated when the steady state and abnormal operations, and under the following conditions: wiring arrangements with a high temperature condition, insulation aging, poor contact, and short circuits. The results showed that black box wiring short circuits had a higher fire risk than the other fire hazard elements. To prevent fire hazards caused by black box wiring, the black boxes must be installed by qualified service personnel. Do not modify the wiring, remove the fuse and secure the wiring using cable ties or insulation tape.

Comparison between Screw Fixation and Modified Tension Band Wiring for Medial Malleolar Fracture (족관절 내과 골절에 대한 금속나사고정술과 변형 긴장대고정술의 임상적 비교)

  • Ko, Sang-Hun;Park, Young-Jun;Jeong, You-Young;Kim, Woo-Suk
    • Journal of Korean Foot and Ankle Society
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    • v.6 no.1
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    • pp.54-59
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    • 2002
  • Purpose: To compare the clinical results between the screw fixation and modified tension band wiring in the treatment of medial malleolar fracture. Materials and Methods: From September 1998 to April 2002, 52 patients were treated by screw fixation and 43 patients were treated by modified tension band wiring for medial malleolar fracture. Results: Accoding to Lauge- Hansen classification, there were 28 cases of supination-external rotation type (53.8%), 9 of supination-adduction type (17.3%), 8 of pronation -external rotation type (15.4 %), 7 of pronation -abduction type (13.5 %) in screw fixation group and 21 (48.9%),11 (25.6%), 7 (16.3%) 4 (9.3%) of each type in tension band wiring group. The average time to union was 15.7 weeks in screw fixation group and 12.8 weeks in tension band wiring group.(p<0.05) In the functional outcome (according to Meyer and Kumler), 29 patients treated (76.2 %) with screw fixation showed excellent results and 34 patients (86.6%) treated with tension band wiring had excellent results (p<0.05). Conclusion: We concluded that more satisfactory result could be obtained with modified tension band wiring compared with screw fixation in the treatment of the medial malleolar fracture.

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A Study on Concurrent Engineering Methodology for Automobile Wiring Harness Design System (자동차 전장용 에이전트 기반 시스템 연구)

  • Lee, S.H.;Choi, D.S.
    • Transactions of the Korean Society of Automotive Engineers
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    • v.1 no.3
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    • pp.83-94
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    • 1993
  • Design and production of wiring for automobile systems provide the background for the development of concurrent engineering framwork. Key issues include with different parts of the wiring design process and the development of hierarchical representations that capture the different characteristics(e.g., connectivity, geometry) of the harnesses. The abstraction of design information results in features, while the abstraction of operations leads to the development of agents. These abstracts are essential for efficient transactions among people and computer tools in a domain that involves numerous interacting constraints. We have decomposed the wiring design process into four basic categories of tasks that are each addressed by an "agent" : the Environment Editor(EE), the Free Space Manager(FSM), the Wiring Editor(WE), and the Part Selector(PS). In this paper the strategy for the problem decomposition, the definition of features, and the ways in which features are used by various agents, are discussed. We conclude with a discussion of some of the issues raised by the project and the steps underway to address them.

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Percutaneus Cerclage Wiring in Distal Clavicle Fracture Type 2a - One Case Report - (원위 쇄골 골절 2a 형에서의 경피적 환상 강선 고정술 -1례 보고-)

  • Kim, Jae-Hwa;Lee, Soon-Chul;Cho, Duck-Yun;Yoon, Hyung-Ku;Lee, Yoon-Seok
    • Clinics in Shoulder and Elbow
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    • v.9 no.1
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    • pp.124-129
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    • 2006
  • Distal clavicular fracture frequently requires operative treatment due to high rate of non-union. The operative technique includes the tension band wiring, K- wire fixation, and cerclage wiring etc. Each method has disadvantages somewhat like pin migration or acromioclavicular joint injury and so on. For the distal clavicular fracture type 2a, because of its oblique fracture line, the cerclage wiring is suitable. We performed the cerclage wiring percutaneously under minimal incision without injury to periosteum for the patient who had the distal clavicular fracture type 2a, and the result was favorable.

The usefulness of intermolar traction wiring for restoration of maxillary & mandibular dental arch in facial bone fracture (안면골 골절에서 상하악 치열궁 복원을 위한 양측 대구치간 철사견인술의 유용성)

  • Jeong, Jae Ho;Shin, Seung Kyu;Lee, Jun Ho;Kim, Yong Ha
    • Archives of Plastic Surgery
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    • v.36 no.1
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    • pp.56-60
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    • 2009
  • Purpose: Palatal fracture and mandible fracture result in instability of dental arch. Because they divide the maxillary and mandibular alveolus sagittally and / or transversely and comminute the dentition, they permit rotation of dental alveolar segments and significantly increase the potential for fracture malalignment, complicating fracture treatment. Previous treatment of palatal fracture consisted of palatal splint application and rigid palatal vault stabilization. This procedure result in patient's oral discomfort and removal of palate and screw. Mandible fracture often results in malocclusion due to widening of posterior aspect of dental arch. So we introduce more simple method using intermolar traction wiring, which can protect the widening of dental arch and rotation of dental alveolar segment. Methods: Arch bar and intermolar traction wiring with wire 1 - 0, or 2 - 0 was applied. After exposure of fracture line, neutrooclusion was maintained with intermaxillary fixation. And then open reduction & internal fixation on maxillary fracture line, commonly maxillary buttress, alveolar ridge, pyriform aperture except palatal vault or mandibular fracture line. After 1 week, intermolar traction wiring was removed. We checked occlusion and postoperative radiologic finding. Results: From June of 2007 to October of 2007, 10 patient, who have maxillary fracture with palatal fracture and mandible fracture, underwent open reduction & internal fixation with intermolar traction wiring. All have satisfactory occlusion and there were no complication, like gingiva disease, mouth opening impairment and nonunion. Conclusion: The intermolar traction wiring accompany open reduction and internal fixation can be alternative method for restoration of dental arch in facial bone fracture.

Clinical Outcome of a Precontoured Symphysis Pubis Plate with Tension Band Wiring for Traumatic Symphysis Pubis Rupture in Pelvic Fractures

  • Lee, Jeong Moon;Yoon, Sun Jung;Park, Myung Sik;Song, Kyung Jin
    • Journal of Trauma and Injury
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    • v.29 no.1
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    • pp.22-27
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    • 2016
  • Purpose: The optimal method of fixation of symphysis pubis (SP) diastasis in pelvic ring injuries is still controversial. In this study, we investigated the radiological and the clinical results of a precontoured 4.5-mm symphysis pubis (SP) plate with tension band wiring (TBW) after an anterior pelvic injury in pelvic fractures. Methods: We treated 25 patients with traumatic SP diastasis by open reduction and internal fixation with plates and wires. We used a four-hole 4.5-mm precontoured SP plate with a tension band wiring. Results: Patients with a SP with TBW fixation achieved excellent or good results at final follow-up. Post-operative complications included two (8%) patients with metal work movement. The mean symphyseal width was smaller in 4.5 mm SP plate with TBW during 1-year follow up period. Conclusion: A precontoured symphysis pubis plate (4.5 mm) with figure-of-eight fashion tension band wiring shows favorable radiological results, excellent or good clinical outcome, and a lower complication (hardware failure and revision surgery).

Analysis of Thermal Characteristic for VCTFK, VFF, HIV and CV Wring by Electric Fan at Livestock Barn (축산용 송풍기 부하에 대한 VCTFK, VFF, HIV 및 CV 전선의 열적특성 분석)

  • Kim, Doo-Hyun;Yoo, Sang-Ok;Kim, Sung-Chul
    • Journal of the Korean Society of Safety
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    • v.29 no.5
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    • pp.35-39
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    • 2014
  • This paper is purposed to analyze the thermal characteristics of wiring according to the number of electric fans in operation for 10 fans over 10 year old and 10 fans less than 1 year old in livestock barn. In order to achieve the goal in the paper, it selected VCTFK, VFF, HIV, and CV wiring that were used most at 64 livestock barns in Cheongwon location through the research on the field investigation. Finally, it also analyzed the dangers by deducing the thermal characteristic data of 4 wiring. In addition, this paper suggested the mode of load current (the most frequently measured load current) of both over 10 years old and less than 1 year old electric fans. The data of this paper could be used for the maintenance and management of wiring and fire investigation of livestock barn as well as for materials of safe designs of wiring of electric fans.

LSI Packaging Technologies for High-End Computers and Other Applications

  • Inoue, Tatsuo
    • Proceedings of the International Microelectronics And Packaging Society Conference
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    • 2001.09a
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    • pp.147-164
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    • 2001
  • 1. "MLS", state of the art MCM-D wiring substrate. 2. High pin-count LSl assembly. 3. Higher speed needs higher packaging density. 4. Wiring substrate, the key of LSl packaging device. 5. "Inter-Layer Transferability", a new index for the performance of wiring substrates. 6. "MLTF package", a core-less flexible package for high pin-count LSl.

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A Study on The Effect of Power conversion system for De-wiring Trolley wire by Electric Railway System (전기철도 전차선 이선이 전력변환장치에 미치는 영향 연구)

  • Shin, Seung-Chul;Kim, Jae-Chul;Han, Seong-Ho;Lee, Su-Gil
    • Proceedings of the KIEE Conference
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    • 2006.11a
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    • pp.381-383
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    • 2006
  • A de-wiring trolley wire usually makes the electrical system complex and may have an adverse effect on the electrical system inside the train. It is important to analyze the effect on trains in de-wiring trolley wire. we accomplished an equivalent model of the electric train system. We used PSCAD/EMTDC, an electromagnetic transient program. The result of this study can be used as a facility design to use a power conversion system filter and needs to prove through actual field data in the main circuit of an electric train for a precise analysis about effect of de-wiring.

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