Relevant bibliographies by topics / Diaphanoscopie

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Diaphanoscopie'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Diaphanoscopie"

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Sieber, Nicole, Phillip Kölbl, Christian Lingenfelder, Kathrin Stucke-Straub, Sebastian Kupferschmid, and Martin Hessling. "Measurement of the retinal irradiation exposure during diaphanoscopic illumination." Current Directions in Biomedical Engineering 6, no. 3 (September 1, 2020): 276–79. http://dx.doi.org/10.1515/cdbme-2020-3070.

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AbstractFor the visualisation of the intraocular space it is essential to illuminate the inside of the eye. One illumination approach is diaphanoscopy, in which the light of an extraocular source is transmitted through the tissue layers of the eyewall. The transmission properties of these tissues and their irradiation load depend on applied diaphanoscope contact pressure. However, excessive illumination can lead to irreversible photochemical and thermal damage to the retina. In diaphanoscopic illumination, the retina is particularly at risk due to its proximity to the light source. Therefore, the photochemical and thermal retinal hazards, resulting from direct transmitted light through the eyewall, are determined for different applied pressures of the diaphanoscope on the eye (15, 65 and 115 kPa). The study is performed on porcine eyes with different pigmentation. So, the difference in intraocular irradiance, photochemical and thermal hazards, as well as the maximal exposure time is also examined for different pigmentations. For less pigmented eyes the irradiance inside the eye, the photochemical and the thermal hazard are higher than for higher pigmented eyes. The values also become significantly higher for increasing applied pressure with the diaphanoscope but do not exceed given limits in the standard DIN EN ISO 15004-2: 2014.
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Schümann, Kerstin, Tamara Wilfling, Gerrit Paasche, Robert Schuon, Thomas Lenarz, Carsten Tautorat, Niels Grabow, and Klaus-Peter Schmitz. "Polymeric stents for the Eustachian tube: development and human cadaver study." Current Directions in Biomedical Engineering 6, no. 3 (September 1, 2020): 213–16. http://dx.doi.org/10.1515/cdbme-2020-3054.

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AbstractImpairment of Eustachian tube function with nonsufficient ventilation of the middle ear is a main cause for chronic otitis media. To provide an effective and safe therapy, the innovative concept of Eustachian tube stenting was established. Biodegradable polymeric stents are developed to restore impaired tube function and dissolve after fulfilling their supportive purpose. To evaluate the applicability of the stents in the Eustachian tube, prototypes in conjunction with corresponding implantation instruments were tested in human cadaver studies. Radiopaque markers and a diaphanoscopic approach were tested as additional features to prove correct positioning of catheter and stent in the tube. In the current study biodegradable polymeric stents were implanted in the Eustachian tube of human cadavers without difficulty. Correct positioning of the stents in the tube was proved by diaphanoscopy during intervention and postoperative tomographic and histological analyses. Once designs are optimized on the basis of cadaver studies, preclinical safety and efficacy studies using animal models will be initiated.
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Bryanskaya, Ekaterina O., Irina N. Novikova, Viktor V. Dremin, Roman Yu Gneushev, Olga A. Bibikova, Andrey V. Dunaev, and Viacheslav G. Artyushenko. "Optical Diagnostics of the Maxillary Sinuses by Digital Diaphanoscopy Technology." Diagnostics 11, no. 1 (January 6, 2021): 77. http://dx.doi.org/10.3390/diagnostics11010077.

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The work is devoted to the development of a scientific and technical basis for instrument implementation of a digital diaphanoscopy technology for the diagnosis of maxillary sinus inflammatory diseases taking into account the anatomical features of patients (differences in skin structure, skull bone thickness, and sinus size), the optical properties of exercised tissues, and the age and gender characteristics of patients. The technology is based on visualization and analysis of scattering patterns of low-intensity radiation as it passes through the maxillary sinuses. The article presents the experimental data obtained using the digital diaphanoscopy method and the results of numerical simulation of the optical radiation passage through the study area. The experimental setup has been modernized through the installation of a a device for controlling the LED applicator brightness. The approach proposed may have considerable promise for creating diagnostic criteria for various pathological changes and can be used to assess the differences in the optical and anatomical features of males and females.
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Schips, Luigi, Katja Lipsky, Peter Hebel, Georg Hutterer, Stefano Gidaro, Peter H. Petritsch, and Richard E. Zigeuner. "Laparoscopic fenestration of lymphoceles after kidney transplantation with diaphanoscopic guidance." Urology 66, no. 1 (July 2005): 185–87. http://dx.doi.org/10.1016/j.urology.2005.02.020.

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Knappe, Ulrich J., Moritz A. Konerding, and Robert Schoenmayr. "Medial wall of the cavernous sinus: microanatomical diaphanoscopic and episcopic investigation." Acta Neurochirurgica 151, no. 8 (April 30, 2009): 961–67. http://dx.doi.org/10.1007/s00701-009-0340-3.

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Kryukov, A. I., N. L. Kunelskaya, E. V. Gorovaya, G. Yu Tsarapkin, E. I. Zelikovich, Yu V. Luchsheva, and E. A. Kirasirova. "Diaphanoscopy palatal tonsils with use of the diode laser." Vestnik otorinolaringologii 84, no. 4 (2019): 44. http://dx.doi.org/10.17116/otorino20198404144.

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SCHMIDT, JOERG C., GREGOR W. NIETGEN, LUTZ HESSE, and PETER KROLL. "EXTERNAL DIAPHANOSCOPIC ILLUMINATOR: A New Device for Visualization in Pars Plana Vitrectomy." Retina 20, no. 1 (January 2000): 103–6. http://dx.doi.org/10.1097/00006982-200001000-00023.

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Tereshchenko, A. V., N. N. Yudina, and D. K. Solovev. "Problems of localization of an intraocular impacted foreign body. Clinical case." Modern technologies in ophtalmology, no. 1 (May 29, 2021): 230–33. http://dx.doi.org/10.25276/2312-4911-2021-1-230-233.

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The article describes a clinical case of an eye injury with presence an intraocular foreign body (IFB), the localization of which was problematic. Patient T was 28 years old, was admitted with complaints of lack of vision, redness and lacrimation from the left eye. From the anamnesis – while working, he hit metal with a hammer, and the scale flew off into the left eye. In addition to the standard ophthalmologic examination, electrophysiological examination, B-scan and UBM were performed. According to the B-scan data, high optical density IFB was detected in the shells 9 mm from the upper border of the optic disc, in the 1-hour meridian, approximately 3.5 mm long. According to the X-ray data of the orbit in 2 projections, an X-ray contrast shadow, metal density, up to 3.0 mm in size was revealed. Radiography of Baltin–Comberg was not performed due to the lack of technical capability. During a standard three-port vitrectomy in the area of possible foreign body occurrence, the retina was damaged, there was a local detachment, but the foreign body itself was not visualized. In addition, during a thorough, detailed examination using a sclerocompressor, no visible defects of the sclera were found transvitreally. In the early postoperative period, the patient was performed with a computed tomogram, where the presence of a foreign body was confirmed, which was adjacent to the posterior wall of the eyeball for 1 hour with clear contours, measuring 3х3 mm. Taking into account the non-standard situation, the absence of a foreign body in the vitreous cavity, it was decided to re-search and remove the foreign body by using of the diascleral method. For a clearer contrast, diaphanoscopy was used, which made it possible to visualize and accurately localize a foreign body in the layers of the sclera. Conclusion. In the presence of IFB for search and precise localization, it is first of all necessary to perform the radiological Baltin-Comberg method. In cases when FB is not visualized intraoperatively, is impaled into the layers of the eye and the radiological Baltin-Comberg method has not been performed, diaphanoscopy of the eye is the optimal auxiliary method for searching for «hidden» foreign bodies. Key words: intraocular foreign body, radiological method of Baltin-Comberg, diaphanoscopy of the eye.
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Schlottmann, K., F. Klebl, R. Wiest, S. Grüne, F. Kullmann, J. Schölmerich, and D. Schacherer. "Ultrasound-guided percutaneous endoscopic gastrostomy in patients with negative diaphanoscopy." Endoscopy 39, no. 08 (July 30, 2007): 686–91. http://dx.doi.org/10.1055/s-2007-966604.

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Horisberger, B., and T. Krompecher. "Forensic diaphanoscopy — how to investigate invisible subcutaneous hematomas on living subjects." Journal of Clinical Forensic Medicine 5, no. 1 (March 1998): 56. http://dx.doi.org/10.1016/s1353-1131(98)90012-8.

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Dissertations / Theses on the topic "Diaphanoscopie"

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Lefebvre, Jean-Pierre. "Traitements numérique et optique des signaux obtenus par transillumination de milieux hétérogènes, absorbants et diffusants : application aux tissus biologiques." Paris 12, 1992. http://www.theses.fr/1992PA120018.

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Les methodes de detection de signaux issus de transillumination de milieux heterogenes absorbants et diffusants visent generalement a ne selectionner que les seuls photons transmis collimates. N'ayant pas interagi avec le milieu, on admet pouvoir negliger le bruit du a la diffusion. Le nombre de ces photons devient vite negligeable lorsque la taille des milieux etudies augmente. Pour pallier a cet inconvenient on estime pouvoir etendre la population de photons sur lequel porte la selection, a une partie diffusee, dont on suppose pouvoir minimiser l'action par traitement. On choisit d'etudier deux proprietes physiques rendant compte du caractere progressif de cette degradation, a savoir la polarisation, et la coherence. On associe a cette selection, une modelisation basee sur le comportement lumiere-matiere. On etudie la possiblite de concevoir optiquement, la fonction de filtrage deduite du modele de bruit, par l'utilisation de composants opto-electroniques. Les donnees ainsi traitees servent a reconstruire des images par une technique de retroprojection de vue
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Debray, Sylvain. "Dispositifs pour la transillumination laser des tissus biologiques : apport de la résolution temporelle et de l'analyse spectrale." Paris 12, 1987. http://www.theses.fr/1987PA120009.

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Perez, José. "Étude par transillumination laser d'organes de mammifères avec analyse spectrale et résolution temporelle." Paris 12, 1987. http://www.theses.fr/1987PA120010.

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Book chapters on the topic "Diaphanoscopie"

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Ghys, Roger. "Comparative Value of Diaphanoscopy Mammography, and Thermography for Breast Cancer Screening." In Fundamental Problems in Breast Cancer, 69–73. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-2049-4_9.

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Conference papers on the topic "Diaphanoscopie"

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Beuthan, J. "IR-diaphanoscopy in medicine." In Medical Optical Tomography: Functional Imaging and Monitoring, edited by Gerhard J. Mueller. SPIE, 1993. http://dx.doi.org/10.1117/12.2283762.

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Prapavat, Viravuth, Juergen Beuthan, Marietta Linnarz, Olaf Minet, Juergen U. G. Hopf, and Gerhard J. Mueller. "Infrared diaphanoscopy in medicine." In Europto Biomedical Optics '93, edited by Rinaldo Cubeddu, Sune Svanberg, and Hubert van den Bergh. SPIE, 1994. http://dx.doi.org/10.1117/12.166821.

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Yamashita, Yutaka. "Visible and infrared diaphanoscopy for medical diagnosis." In Medical Optical Tomography: Functional Imaging and Monitoring, edited by Gerhard J. Mueller. SPIE, 1993. http://dx.doi.org/10.1117/12.2283763.

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Bryanskaya, Ekaterina, Irina Makovik, A. Bukin, Olga Bibikova, Boris M. Shuraev, Olaf Minet, Ursulla Zabarilo, Andrey Dunaev, and Viacheslav Artyushenko. "Diagnosis of inflammatory diseases of the paranasal sinuses using digital diaphanoscopy." In Preclinical and Clinical Optical Diagnostics, edited by J. Quincy Brown and Ton G. van Leeuwen. SPIE, 2019. http://dx.doi.org/10.1117/12.2526835.

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Beuthan, Juergen, Gerhard J. Mueller, Olaf Minet, Andre Roggan, and Viravuth Prapavat. "Infrared diaphanoscopy (IRD) and infrared fluoroscopic imaging (IRF) in biological tissue." In OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, edited by Britton Chance and Robert R. Alfano. SPIE, 1993. http://dx.doi.org/10.1117/12.154672.

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Bryanskaya, Ekaterina O., Roman Y. Gneushev, Irina N. Makovik, Viktor V. Dremin, Artem G. Bukin, Olga A. Bibikova, Boris M. Shuraev, et al. "Monte Carlo simulation of signals in digital diaphanoscopy of the maxillary sinuses." In Saratov Fall Meeting 2019: Optical and Nano-Technologies for Biology and Medicine, edited by Valery V. Tuchin and Elina A. Genina. SPIE, 2020. http://dx.doi.org/10.1117/12.2564314.

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Kolpakov, A. V., and A. L. Makarov. "Development and trial of the hardware-software complex of infrared diaphanoscopy of parodont." In XIV RUSSIAN-GERMANY CONFERENCE ON BIOMEDICAL ENGINEERING (RGC-2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5121960.

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Dubois, Frank, and Jean Ebbeni. "Breast Inspection By Diaphanoscopy Improved By Use Of Optical Fiber And Pseudocolor Processing." In 1984 European Conference on Optics, Optical Systems and Applications, edited by Bouwe Bolger and Hedzer A. Ferwerda. SPIE, 1985. http://dx.doi.org/10.1117/12.943766.

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Bryanskaya, Ekaterina O., Roman Y. Gneushev, Irina N. Makovik, Viktor V. Dremin, Artem G. Bukin, Olga A. Bibikova, Boris M. Shuraev, et al. "Simulation of digital diaphanoscopy signal changes in an improved cross-sectional model (Conference Presentation)." In Tissue Optics and Photonics, edited by Zeev Zalevsky, Valery V. Tuchin, and Walter C. Blondel. SPIE, 2020. http://dx.doi.org/10.1117/12.2555150.

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Prapavat, Viravuth, Marietta Linnarz, Juergen U. G. Hopf, Juergen Beuthan, Michael Becker, Gerhard J. Mueller, and Hans H. Scherer. "Endoscopic infrared diaphanoscopy: its use and feasibility in diagnostic and treatment procedure for paranasal sinus diseases." In OE/LASE '94, edited by James A. Harrington, David M. Harris, Abraham Katzir, and Fred P. Milanovich. SPIE, 1994. http://dx.doi.org/10.1117/12.180761.

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Journal articles
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