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  • 1995-1999  (2)
  • Methodology  (2)
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  • 1995-1999  (2)
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  • 1
    ISSN: 1279-8517
    Keywords: Vascular model ; Methodology ; Reproducibility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Un modèle in vitro des principales artères cérébrales humaines avec ou sans anévrysmes artériels sacciformes est présenté. Un moulage par corrosion des artères cérébrales fut obtenu sur un specimen humain. Trois anévrysmes furent simulés et ajoutés à ce moulage. Des copies en cire de ce montage furent produites, puis enrobées d'une résine liquide se solidifiant en blocs transparents. Après évacuation de la cire, un modèle consistant en une reproduction «en creux» de l'arbre vasculaire original dans un bloc transparent fut obtenu. Ce modèle est reproductible et anatomiquement réaliste. Comme il est transparent à la lumière visible et compatible avec les techniques d'imagerie moderne (angio-graphie numérisée, TDM, IRM, Doppler transcrânien), ce modèle devrait se révêler utile dans le cadre d'investigations de type hémodynamique et radiologique. La méthodologie décrite peut être appliquée à toute structure anatomique de configuration creuse, permettant la préparation de modèles artériels et veineux de régions anatomiques diverses, ainsi que de modèles basés sur d'autres systèmes anatomiques à l'exemple des voies biliaires ou urinaires.
    Notes: Summary Anin vitro model of the main human cerebral arteries with or without saccular arterial aneurysms is presented. A cast of the cerebral arteries was obtained in a human specimen. Three aneurysms were simulated and added to the cast. Wax copies of the cast were produced, and embedded with liquid resin solidifying into solid blocks. After evacuation of the wax, a model consisting of a hollow reproduction of the cast within the resin block was obtained. The model is reproducible and anatomically accurate. Since it is transparent to visible light, and compatible with x-ray, magnetic resonance and transcranial doppler techniques, it should prove useful for a wide range of haemodynamic and radiologic investigations. The reported technique may be adapted to any structure with a hollow configuration, allowing for the preparation of arterial and venous models from other vascular areas, as well as models from other anatomic systems, such as the biliary or urinary tracts.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    ISSN: 1279-8517
    Keywords: Vascular model ; Methodology ; Reproducibility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An in vitro model of the main human cerebral arteries with or without saccular arterial aneurysms is presented. A cast of the cerebral arteries was obtained in a human specimen. Three aneurysms were simulated and added to the cast. Wax copies of the cast were produced, and embedded with liquid resin solidifying into solid blocks. After evacuation of the wax, a model consisting of a hollow reproduction of the cast within the resin block was obtained. The model is reproducible and anatomically accurate. Since it is transparent to visible light, and compatible with x-ray, magnetic resonance and transcranial doppler techniques, it should prove useful for a wide range of haemodynamic and radiologic investigations. The reported technique may be adapted to any structure with a hollow configuration, allowing for the preparation of arterial and venous models from other vascular areas, as well as models from other anatomic systems, such as the biliary or urinary tracts.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
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