• 제목/요약/키워드: Medical electronics

검색결과 1,048건 처리시간 0.038초

Fabrication of Metal Nanobridge Arrays using Sacrificial Silicon Nanowire

  • Lee, Kook-Nyung;Lee, Kyoung-Gun;Jung, Suk-Won;Lee, Min-Ho;Seong, Woo-Kyeong
    • Journal of Electrical Engineering and Technology
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    • 제7권3호
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    • pp.396-400
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    • 2012
  • Novel fabrication method of nanobridge array of various materials was proposed using suspended silicon nanowire array as a sacrificial template structure. Nanobridges of various materials can be simply fabricated by direct deposition with thermal evaporation on the top of prefabricated suspended silicon nanobridge arrays, which are used as a sacrificial structure. Since silicon nanowire can be easily removed by selective dry etching, nanobridge arrays of an intended material are finally obtained. In this paper, metal nanobridges of Ti/Au, around 50-200 nm in thickness and width, 5-20 ${\mu}m$ in length were fabricated to prove the advantages of the proposed nanowire or nanobridge fabrication method. The nanobridges of Ti/Au after complete removal of sacrificial silicon nanowire template were well-established and bending of nanobridge caused by the tensile stress was observed after silicon removing. Up to 50 nm and 10 ${\mu}m$ of silicon nanowire in diameter and length respectively was also very useful for nanowire templates.

치매 치료 VR 시스템 개발 (Development of Dementia Treatment VR System)

  • 이기석;김상원;김용완;김민영;최진성
    • 한국정보처리학회:학술대회논문집
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    • 한국정보처리학회 2002년도 추계학술발표논문집 (상)
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    • pp.835-838
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    • 2002
  • 사회고령화 추세에 따라 노인들이 증가하고 있으며 자연적으로 발생률이 높아지고 있는 치매에 대한 사회적 문제가 대두되고 있다. 본 논문에서는 경증 치매나 치매에 걸릴 확률이 높은 사람들에게 치매 치료의 효과를 주는 VR기반의 의료시스템을 개발하여 치매 치료에 대한 새로운 방법을 제시하려고 한다. 제시하는 치료 요법은 사용자에게 일상생활과 유사하게 VR 환경을 제공하고 일상적인 문제에 대처하여 올바르게 수행하도록 하는 방법을 가진다. 개발되어진 다양한 시나리오의 반복 수행을 통하여 치매의 치료는 수행되게 된다. 본 시스템의 효과를 판단하기 위해 실험군과 대조군 각 15명을 통하여 임상실험을 수행하였으며 그 결과를 보였다.

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마이크로머시닝 기술의 의학 및 생물학 응용

  • 장준근;김용권
    • 전자공학회지
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    • 제24권10호
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    • pp.63-72
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    • 1997
  • Application of MEMS to biologic system mainly categorized into bio-electronics and micro-medical systems, Bio-electronics concerns on the biocompatible electronic device, in-vivo sensors, the sensors based on biological materials, biological materials for electronics and optics, the concepts and materials Inspired by biology and useful for electronics, the algorithm inspired by biology, artificial sense, and the biologic-inorganic hybrids. Micro-medical systems are utilited into the drug delivery systems, micro patient monitoring systems, micro prosthesis and artificial organs, cardiology related prothesis, analysis systems, and the minimal invasive surgery tools based on the m icrom achining technology.

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Breath Gas Sensors for Diabetes and Lung Cancer Diagnosis

  • Byeongju Lee;Jin-Oh Lee;Junyeong Lee;Inkyu Park;Dae-Sik Lee
    • 센서학회지
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    • 제32권1호
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    • pp.1-9
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    • 2023
  • Recently, the digital healthcare technologies including non-invasive diagnostics based on Internet of Things (IOT) are getting attention. Human exhaled breath contains a variety of volatile organic compounds (VOCs), which can provide information of malfunctions of the body and presence of a specific disease. Detection of VOCs in exhaled breath using gas sensors are easy to use, safe, and cost-effective. However, accurate diagnosis of diseases is challenging because changes in concentration of VOCs are extremely small and lots of body factors directly or indirectly influence to the conditions. To overcome the limitations, highly selective nanosensors and artificial intelligent electronic nose (E-nose) systems have been mainly researched in recent decades. This review provides brief reviews of the recent studies for diabetes and lung cancer diagnosis using nanosensors and E-nose systems.

WMTS 무선통신 모듈을 이용한 맥파의 주기검출 및 감성평가 시스템 개발 (Development of WMTS Module Based Pulse Rate Period Detection and Human Sensibility Evaluation System)

  • 이현민;김동준;전기만;손재기
    • 전기학회논문지
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    • 제62권6호
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    • pp.811-817
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    • 2013
  • In this study we present a system for pulse-rate period detection and human sensibility evaluation based on the wireless medical telemetry service (WMTS) used for transmission of data from medical telemetry devices to various medical facilities and services. We develop a medical-purpose specific WMTS communication module to transmit biometric signals. From the pulse rate variability(PRV) signal, we attempt to classify positive and negative emotional states based on analysis of the ratio of LF/HF in the frequency domain. We measure the data reception rate according to distance in order to test the performance of the WMTS module and analyze the effects on human sensibility evaluation.

의료정보 검색을 위한 시스템의 프레임 워크에 관한 연구 (A Study of Framework of System for Medical Information Searching)

  • 홍성호;김영섭
    • 반도체디스플레이기술학회지
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    • 제13권1호
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    • pp.113-116
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    • 2014
  • This paper has been forged to suggest 'Medical Information Searching System'. This system sets itself to conduct searching of medical information stored in a wide variety of medical institutions. This system aims to suggest a flexible, compatible and effective standard on medical information searching through this. So, In this paper, we present a framework to help medical institutions search the requiring medical information in conjunction with analysis on 'medical information request'.

발작성 심방세동 환자의 P파 간격 측정 방법에 관한 연구 (A Study for measurement method of P-wave duration in Paroxysmal Atrial Fibrillation(PAF) subjects)

  • 이종연;여형석;한완택;김인영;이병채;김준수;민정선;서정돈;이원로
    • 대한의용생체공학회:학술대회논문집
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    • 대한의용생체공학회 1998년도 추계학술대회
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    • pp.181-182
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    • 1998
  • In previous study for correlation between P-wave Signal Averaged Electrocardiography (SAECG) and Paroxysmal Atrial Fibrillation (PAF) subjects, we showed that the duration of P-wave in subjects is longer than in controls. In this respect, the P-wave SAECG is a new method proving to be an accurate and independent noninvasive marker for the risk of PAF. To prove this suggestion, accurate detection and alignment of P-wave are indispensible. In previous study, we measured P-wave duration by manual. So it was not accurate and consistent. To measure the P-wave duration accurately and automatically, we have developed an automatic algorithm for P-wave duration measurement. We showed that the duration of P- wave in the subjects is longer than in controls with this algorithm.

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메디컬 디지털 트윈 기반 동적 가상 인체 획득 시스템 (Medical Digital Twin-Based Dynamic Virtual Body Capture System)

  • Kim, Daehwan;Kim, Yongwan;Lee, Kisuk
    • 한국정보통신학회논문지
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    • 제24권10호
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    • pp.1398-1401
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    • 2020
  • We present the concept of a Medical Digital Twin (MDT) that can predict and analyze medical diseases using computer simulations and introduce a dynamic virtual body capture system to create it. The MDT is a technology that creates a 3D digital virtual human body by reflecting individual medical and biometric information. The virtual human body is composed of a static virtual human body that reflects an individual's internal and external information and a dynamic virtual human body that reflects his motion. Especially we describe an early version of the dynamic virtual body capture system that enables continuous simulation of musculoskeletal diseases.

전자의무기록 식별을 위한 메타데이터의 연구 (The Study of Metadata Model to Identify Electronic Medical Record)

  • 홍성호;김영섭
    • 반도체디스플레이기술학회지
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    • 제13권2호
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    • pp.63-66
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    • 2014
  • Managing electronic medical record is very difficult, because the currently electronic medical system is not designed standard that is uniform and proper. In this paper, in order to overcome this situation, we propose meta-data for the management of the electronic medical record as a single system. To this end, we first analyzed the research on electronic medical records and related standards. Second, we, on the basis of the analysis result, abstracted electronic medical record and entities related on electronic medical, and we designed an entity-relationship model. And finally, we have to complete the meta-data through the setting attributes in this entity-relationship model. Through this study, it was possible that we can complete metadata highly expressive medical records, and suggest an alternative for problem of current medical records systems.