1. Osaka University

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    1. Mentioned In 110 Articles

    2. Real-time OCT imaging of laser ablation of biological tissue

      Real-time OCT imaging of laser ablation of biological tissue
      During laser ablation of a diseased area, the surrounding tissues and organs suffer serious damage. In order to optimize laser ablation of biological tissues, it is necessary to observe the laser ablation in situ. The real-time imaging of tissue laser ablation is realized in the fusion system of the YAG ablation laser and optical coherence tomography (OCT). A swept-source OCT (SS-OCT) is combined with a YAG-laser ablation system. In this ...
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      Mentions: Osaka University
    3. Dynamic analysis of mental sweating by optical coherence tomography

      Dynamic analysis of mental sweating by optical coherence tomography
      In the dynamic OCT of mental sweating, we have found internal mental sweating without ejection of excess sweat from the spiral lumen to the skin surface. Internal sweating occurs more often in the case where mental stress is applied to a volunteer, and it is more useful for evaluation of activity of the sympathetic nerve. Furthermore, the MIP imaging has been proposed for quick 3-D imaging of the spiral lumen ...
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      Mentions: Osaka University
    4. The Assessment of the Filtering Bleb Function With Anterior Segment Optical Coherence Tomography

      rpose: To assess the usefulness of anterior segment optical coherence tomography (AS-OCT) in evaluating postoperative filtering bleb function. Methods: Forty-eight eyes of 39 patients who had earlier undergone trabeculectomy were enrolled. Blebs were imaged with a commercially available AS-OCT system. The correlation between intraocular pressure (IOP) and 4 quantitative parameters, bleb height, bleb wall thickness, and the height and extent of internal cavity, and 2 qualitative parameters, bleb wall reflectivity ...
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      Mentions: Osaka University
    5. Progress of OCT and its applications

      Optical coherence tomography (OCT) is the cross-sectional imaging of biological tissue based on the low-coherence interferometry, where the image resolution is around 10 m with the imaging depth of 1 to 2 mm. Since its first demonstration, OCT has been developed intensively for clinical diagnoses of ophthalmology and arteriosclerosis. Beside the clinical applications, OCT is used for analysis of physiological functions underneath the human skin surface. Recently, we proposed and ...
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      Mentions: Osaka University
    6. Imaging of Titanium:Sapphire Laser Retinal Injury by Adaptive Optics Fundus Imaging and Fourier-Domain Optical Coherence Tomography

      Purpose: To examine and observe the subtle retinal injuries caused by a titanium:sapphire laser with a high-resolution adaptive optics (AO) fundus camera and with Fourier-domain optical coherence tomography (FD-OCT).Design: Observational case series.Methods: Four eyes of 2 individuals who experienced an accidental exposure to reflected light from a titanium:sapphire laser were examined. High-resolution retinal images were obtained with the AO fundus camera and by FD-OCT, and the ...
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      Mentions: Osaka University
    7. Maximum intensity projection imaging for dynamic analysis of mental sweating by optical coherence tomography

      A novel 3-D image construction method with maximum intensity projection (MIP) of B-mode OCT images is proposed for in vivo dynamic analysis of mental sweating on human fingertips. Time-sequential MIP-OCT images with the frame spacing as short as 1.4 sec provide us quantitative analysis of the sweati ... [Proc. SPIE 7168, 71682D (2009)] published Fri Feb 20, 2009.
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      Mentions: Osaka University
    8. Dynamic analysis of laser ablation of biological tissue using a real-time OCT

      In laser ablation of biological tissues, tomography of the tissue surface is necessary for measurement of the crater depth and observation of the thermal damage of the tissue. Optical coherence tomography (OCT) is a very promising candidate for an in-situ observation of the tissue. We demonstrate here dynamic analysis of tissue laser ablation using a real-time OCT.
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      Mentions: Osaka University
    9. Foveal Microstructure and Visual Acuity after Retinal Detachment Repair: Imaging Analysis by Fourier-Domain Optical Coherence Tomography

      Purpose To evaluate foveal microstructural changes in eyes with anatomically successful repair of rhegmatogenous retinal detachments (RRDs). Design Retrospective, consecutive, observational case series. Participants Fifty-three eyes of 51 consecutive patients with macula-on RRDs (15 eyes) or macula-off RRDs (38 eyes) after anatomically successful surgical repair. Methods A microscopic fundus examination was conducted followed by Fourier-domain optical coherence tomography (FD-OCT) to assess the postoperative foveal microstructure. The correlation between the postoperative ...
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      Mentions: Osaka University
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  2. About Osaka University

    Osaka University

    Osaka University is a major national university located in Osaka, Japan. It is the sixth oldest university in Japan as the Osaka Prefectural Medical College, and formerly one of the Imperial Universities of Japan. Numerous prominent scientists worked at the Osaka University such as the Nobel Laureate in Physics Hideki Yukawa.  Also see Osaka University Medical School.  We aim to develop the research capability of our researchers and offer them comprehensive medical knowledge so that they can engage in research activities independently. We strive to foster extensively knowledgeable health care specialists with a flexible and methodical mind. We aim to train scientists and doctors who can meet present health care needs in the specialized field of nursing, as well as embrace the development of science. In addition, we endeavor to nurture scientists who are able to provide 21st Century intellectual leadership in the fields of Nursing and Medical Technology and Science.