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RISS 인기검색어
- 검색키워드
- 저자 : ( Hideaki Haneishi ) (검색결과 3 건)
- 무료
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( Hideaki Haneishi ) 한국감성과학회 2017 춘계학술대회 Vol.2017 No.-
In this project, “Multimodal medical engineering,” we use several modalities such as CT, MRI and US to analyze the variation of cell or organ due to disease by engineering technologies and clarify its relationship. Based on the knowledge obtained there, we aim to establish some new methods for highly precise and non-invasive diagnosis and treatment. This project has an environment that engineering and medical researchers tightly collaborate and conduct a wide range of researches from fundamental study to preclinical and clinical test. Many state-of-the art equipment such CT, MRI, US, endoscope, microscope and apparatus for preparing pathological specimens are also available for promoting the project. In this project, we are also emphasizing the development of human resources through research activities. Students can receive education and advices from both medical and engineering professors. Thanks to active collaboration with companies, students can learn more practical mind in research and development. We also send students in the project to university or institute in foreign countries for long term or short term aiming the development of global human resources. Our project “Multimodal Medical Engineering for Precision Medicine” was also selected as a JSPS (Japan Society for the Promotion of Science) Core-to-Core program 2017 after very tough selection. The project lasts five years. International collaboration researches will be more activated by this support with (University of Eastern Finland (Finland), Thammasat University (Thailand), Shanghai Jiao Tong University (China) and University of Waterloo(Canada). In the presentation, some related research topics will be shortly introduced.
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Prototyping and Medical Application of Spectrally Tunable LED Light Source
( Hideaki Haneishi ),( Yoko Kurabuchi ) 한국감성과학회 2019 한국감성과학회 국제학술대회(ICES) Vol.2019 No.-
Currently many different color LEDs (light emitting diode) are commercially available. By attaching these LEDs to a board and controlling the light intensity of each LED, we can realize a so-called spectral tunable light source. Compared with a conventional tunable light source using a white lamp such as xenon lamp and grating, LED-based tunable light source is cost effective. We built a prototype of spectrally tunable LED light source (STLED) and are looking for its application to the medical field. In such a field, visual diagnosis is one of the most important ways for evaluation. Observing tissue structure is effective for improving precision of surgery. We focused on an emphatic illuminant which brought a fine view of micro blood vessel structures. In this paper, we simulated the illuminant and evaluated it by subjective evaluation. In an evaluation experiment, to compare two illuminant conditions, a conventional and the emphatic illuminant, 14 LEDs fixed to the light unit were spectrally adjusted to demonstrate the two illuminants. We set a rat cecum as a target to observe the structure of micro blood vessels. The effectiveness of the emphatic illuminant was confirmed by ratio of detected blood vessel region to the ground truth.
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Color Change Analysis for Measuring Capilary Refilling Time
Masayoshi Shinozaki,Toshiya Nakaguchi,Takaaki Nakada,Hideaki Haneishi,Shigeto Oda 한국색채학회 2017 AIC 2017 Jeju Vol.2017 No.10
Capillary refilling time is used to evaluate peripheral circulation. Since the index is measured manually, the diagnosis becomes qualitative. In this study, we prototyped a device to measure capillary refilling time. The device is equipped with a color sensor and a pressure sensitive sensor. Does not use mechanical actuator for compression method. Instead, it is done manually by the measurer. The device constantly feeds back the compressive force of the measurer. This function can eliminate the difference in compressive force of each measurer. It was indicated that capillary refilling time can be measured stably by the operation verification experiment of the device.
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