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  1. A new examination system using photoplethysmography to evaluate skin blood flow during exposure to vibration.

    Article, Communication - En anglais

    International Conference on Hand-Arm Vibration. Prague (CZE), 1995/05/09.

    We introduce a new examination method developed at the University Dermatology Hospital in Tübingen in cooperation with the Institute for High Frequency Techniques of Aachen Technical College and the Metabo Factory in Nürtingen, Germany.

    The Tübingen workplace simulator for studying vibration white finger (VWF) syndrome generates standardized vibrations reproducing the vibration pattern of actual hand-held tools.

    This simulator makes it possible to evaluate on-line the effects of defined vibrations on skin blood flow in the fingers and to investigate the etiopathogenesis of vibration white finger syndrome.

    The vibration simulator itself is modelled after and altered router with two side-mounted handles.

    The electronic speed control and exhangeable unbalance pins make it possible to adjust the frequency and amplitude of the vibrations to simulate actual conditions in the job.

    New developed photoplethysmographic sensors are fastened to the fingertips with double adhesive rings and measure blood in the skin.

    Measurements are recorded simultaneously with a multi-channel plotter.

    This method is not only useful as a diagnostic tool but has potential future applications in pre-employment screening in the affected industries and in the development of reduced-vibration tools.

    Mots-clés Pascal : Raynaud syndrome, Vibration, Appareil vibrant, Diagnostic, Technique, Pathogénie, Homme, Débit sanguin, Peau, Lieu travail, Exposition professionnelle, Simulateur, Photopléthysmographie, Médecine travail, Appareil circulatoire pathologie, Vaisseau sanguin pathologie, Capillaire sanguin pathologie, Peau pathologie, Système nerveux autonome pathologie, Acrosyndrome

    Mots-clés Pascal anglais : Raynaud phenomenon, Vibration, Vibrating apparatus, Diagnosis, Technique, Pathogenesis, Human, Blood flow, Skin, Work place, Occupational exposure, Simulator, Photoplethysmography, Occupational medicine, Cardiovascular disease, Vascular disease, Capillary vessel disease, Skin disease, Diseases of the autonomic nervous system, Acrosyndrome

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0053046

    Code Inist : 002B12B03. Création : 21/05/1997.