• Title/Summary/Keyword: Medical Engineering

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Development of interactive self-system based on artificial intelligent speaker for treatment of children with developmental disabilities (발달 장애 아동 치료를 위한 인공지능 스피커 기반 대화형 자가 시스템 개발)

  • Wee, YeJin;Kye, SeulA;Bae, SeoYeon;Choi, SeoungPyo;Lee, OnSeok
    • Annual Conference of KIPS
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    • 2019.10a
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    • pp.1151-1152
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    • 2019
  • 발달 장애는 신체 및 정신이 해당하는 나이에 맞게 발달하지 않은 상태로, 다른 아동에 비해 신경정신과적 질환 발생 확률이 높기 때문에 발달장애 아동의 치료는 매우 중요하다. 그러나 주관적 판단에 의해 이루어지는 기존 작업치료의 경우, 정량적 성과 지표를 확인하기 힘들고 대상자 스스로 지속적으로 진행하기에 한계가 있다. 본 연구에서는 치료 모델을 가상 공간상에 구현하여 공간에 구애받지 않고 치료를 진행할 수 있으며, 수행 결과에 대한 자료를 정확하고 지속적으로 기록하며 확인할 수 있도록 하였다. 또한, AI 스피커를 통해 치료에 대한 피드백을 줌으로써, 대상자 스스로 실시하여 치료자의 개입을 줄여 심리적 부담을 덜어 더욱 정확한 수행이 이루어지도록 하였다.

Effect of Exercise Using an Automatic Spine Extension Device on Thoracic Kyphotic and Extension Angles

  • Kim, Ju-hyeon;Park, Seon-mi;Sin, Hyang-hee;Choi, Ho-jeong;Liu, Yaoyao;Yoo, Won-gyu
    • Physical Therapy Korea
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    • v.29 no.3
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    • pp.235-240
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    • 2022
  • Background: A spinal extension and intensive rehabilitation program reduced the symptoms and pain of kyphosis, and improved function. Objects: This study aimed to demonstrate the effect of a spine extension device on the degree of thoracic kyphosis and extension angles, confirm reduction of the kyphosis angle and an increase in flexibility. Methods: Thirteen adults were enrolled in the experiment, using the spine extension device, which was set to passively extend the spine. The angle between the spinous process of the first thoracic vertebra and the spinous process of the twelfth thoracic vertebra was measured by dual inclinometer before and after using the spine extension device. Results: In the static posture, the thoracic kyphosis decreased after using the spine extension device in the thoracic extension posture, and there was a significant difference (p < 0.05); thoracic extension angle increased with statistical significance (p < 0.05). Conclusion: In this study, the thoracic kyphosis angle and thoracic extension angle of the subjects before and after using spine extension device was compared and analyzed, which proved that the spine extension device can effectively improve the mobility of spinal extension.

Monocytes Contribute to IFN-β Production via the MyD88-Dependent Pathway and Cytotoxic T-Cell Responses against Mucosal Respiratory Syncytial Virus Infection

  • Tae Hoon Kim;Chae Won Kim;Dong Sun Oh;Hi Eun Jung;Heung Kyu Lee
    • IMMUNE NETWORK
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    • v.21 no.4
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    • pp.27.1-27.12
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    • 2021
  • Respiratory syncytial virus (RSV) is the leading cause of respiratory viral infection in infants and children. However, little is known about the contribution of monocytes to antiviral responses against RSV infection. We identified the IFN-β production of monocytes using IFN-β/YFP reporter mice. The kinetic analysis of IFN-β-producing cells in in vivo RSV-infected lung cells indicated that monocytes are recruited to the inflamed lung during the early phase of infection. These cells produced IFN-β via the myeloid differentiation factor 88-mediated pathway, rather than the TLR7- or mitochondrial antiviral signaling protein-mediated pathway. In addition, monocyte-ablated mice exhibited decreased numbers of IFN-γ-producing and RSV Ag-specific CD8+ T cells. Collectively, these data indicate that monocytes play pivotal roles in cytotoxic T-cell responses and act as type I IFN producers during RSV infection.

Evaluation of Hormone Deficiency in Vertebral Body: Analysis of Bone Structure and Quality (호르몬 결핍이 척추체에 미치는 영향 평가: 골의 구조학적 및 질적 요소 분석)

  • Kim, Chi-Hoon;Woo, Dae-Gon;Park, Ji-Hyung;Lee, Beob-Yi;Kim, Chi-Hyun;Kim, Han-Sung
    • Journal of the Korean Society for Precision Engineering
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    • v.27 no.5
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    • pp.92-101
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    • 2010
  • This study evaluated the structure and quality of osteoporotic vertebral bone. To induce osteoporosis, eight rats were ovariectomized (OVX). All rats were divided into two groups (Normal group: 4, OVX group: 4). Total lumbar vertebrae for each rat were scanned by in-vivo ${\mu}CT$ at 0, 4 and 8 weeks. Morphological characteristics (BV/TV, Tb.Th, Tb.N, Tb.Sp and SMI) were calculated by in-vivo ${\mu}CT$ image analyzer. Three dimensional finite element models were analyzed to investigate bone strength of OVX and Normal groups. Moreover, the elastic modulus was quantitatively analyzed to evaluate the quality changes of osteoporotic bone. In the OVX group, BV/TV, Tb.Th and Tb.N were significantly decreased at all the lumbar over time (p<0.05). We also investigated a contrary tendency in Tb.Sp and SMI, compared to the above results in each group. A degree of alteration of mechanical characteristics in OVX group was decreased over measuring time (p<0.05). Bone quality presented by distribution of elastic modulus was improved in the Normal group more than OVX group. The findings of the present study indicated that both bone structure and quality of whole lumbar could be tracked and detected by analyzing the morphological and biomechanical characteristics of bones, based on a nondestructive method.

Proton Beam Dosimetry Intercomparison

  • Fukumura, Akifumi;Kanai, Tatsuaki;Kanematsu, Nobuyuki;Yusa, Ken;Maruhashi, Akira;Nohtomi, Akihiro;Nishio, Teiji;Shimbo, Munefumi;Akagi, Takashi;Yanou, Toshihiro;Fukuda, Shigekazu;Hasegawa, Takashi;Kusano, Yohsuke;Masuda, Yasutaka
    • Proceedings of the Korean Society of Medical Physics Conference
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    • 2002.09a
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    • pp.252-254
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    • 2002
  • A new protocol for dosimetry in external beam radiotherapy is published by the Japan Society of Medical Physics (JSMP) in 2002. The protocol deals with proton and heavy ion beams as well as photon and electron beams, in accordance with IAEA Technical Report Series No. 398. To establish inter-institutional uniformity in proton beam dosimetry, an intercomparison program was carried out with the new protocol. The absorbed doses are measured with different cylindrical ionization chambers in a water phantom at a position of 30-mm residual range for a proton beam, that had range of 155 mm and a spread out Bragg peak (SOBP) of 60-mm width. As a result, the intercomparison showed that the use of the new protocol would improve the +/- 1.0 % (one standard deviation) and 2.7 % (maximum discrepancy) differences in absorbed doses stated by the participating institutions to +/- 0.3% and 0.9 %, respectively. The new protocol will be adopted by all of the participants.

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A Study on the Development and Effectiveness of ISO13485:2016 Education Programs for Domestic Medical Device Manufacturers (국내 의료기기 제조업체의 ISO13485:2016 교육 프로그램 개발 및 교육 효과 연구)

  • Lee, Seul-Bi;Kang, Giho;Jang, Wonseuk;Kwon, Byeong-Ju
    • Journal of Korean Society for Quality Management
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    • v.50 no.3
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    • pp.503-515
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    • 2022
  • Purpose: As ISO 13485 was revised in 2016, the domestic GMP (Good Manufacturing Practice) system was also revised and implemented in 2019. However, there are many problems in the domestic medical device industry because most of the small and medium-sized enterprises lack human and material resources. Accordingly, this study was conducted to provide education programs for domestic medical device companies to induce information provision and improve the company's quality management ability. Methods: First, analyze existing education. Second, based on the revised GMP system, a survey paper was produced to investigate difficulties and problems experienced by companies. Third, a two-week survey was conducted on domestic medical device manufacturers, and a total of 77 companies responded to this survey. Fourth, educational program development was conducted based on the results of the survey. Results and Conclusion: The developed education program consists of a total of five sessions. In this study, the educational program developed by grasping the needs of the company through a survey consists of a total of five sessions. The first session consisted of theoretical education and the second to fifth sessions of practical education. Through the education program developed in this study, it is expected to contribute to the overall development of medical device quality by establishing a domestic medical device manufacturing environment that secures the safety and performance of domestic medical device companies.

A Scheme for DID and EMR Integrated System based on Hyperledger Indy (Hyperledger Indy 기반의 DID와 EMR 통합 시스템 기법)

  • Jiyong Yang;Hyosang Eom;Keun-Ho Lee
    • Journal of Internet of Things and Convergence
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    • v.10 no.1
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    • pp.47-52
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    • 2024
  • The efficiency and quality of healthcare services rely heavily on the secure protection and transparent management of individuals' medical information, which is becoming increasingly important in the digital age. To address this issue, we propose a distributed identity management (DID) and electronic medical record (EMR) integration system based on Hyperledger Indy, which aims to ensure the ownership of medical information to individuals and increase the accessibility and utilization of medical information. The system will allow individuals to manage their own medical information and share it transparently when necessary, which will improve the efficiency of healthcare services. In addition, the system will securely protect and transparently manage medical information, increasing the transparency of medical services and strengthening individuals' control over their medical information. Thus, the system will contribute significantly to improving the quality of medical services, protecting individuals' medical information, and improving the efficiency of medical services.

DICOM-based Tele-radiology System (DICOM-based 원격 진단 시스템)

  • Lee, S.H.;Ahn, C.B.
    • Proceedings of the KOSOMBE Conference
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    • v.1995 no.11
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    • pp.71-73
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    • 1995
  • In this paper, we reviewed the ACR-NEMA Digital Imaging and Communications in Medicine (DICOM) standard that was developed for medical imaging equipments interconnected on the standard networks. We also built a simple system that can transmit JPEG compressed DICOM file on network environment and display this medical image on remote-machine.

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