Hand-holdable gas/abrasion apparatus

Details Hand-holdable gas/abrasion apparatus Hand-holdable gas/abrasion apparatus

B - Operations, Transporting

24

C

B24C 3/00 (2006.01) A61C 3/025 (2006.01) B24C 5/02 (2006.01) B24C 5/04 (2006.01) B24C 7/00 (2006.01)

Patent

CA 2417929

A hand-holdable apparatus (1) useful for abrading a surface is provided. The invention is particularly useful for dental applications using a stream (2) of abrasive particles suspended in a gas steam to abrade the surface of a tooth (3). The apparatus of the invention may be modified to easily minimize "bleed down" of the gas/abrasive stream (2) using a pinch valve (28) and to remove worn flexible conduits for routine maintenance and autoclaving of the apparatus. The apparatus of the invention also provides a novel pick-up assembly for delivery of brasive particles.

L'invention concerne un appareil manuel (1) utile pour l'abrasion d'une surface. L'invention est particulièrement utile dans des applications dentaires utilisant un flux (2) de particules abrasives en suspension dans un flux de gaz pour soumettre la surface d'une dent (2) à une abrasion. L'appareil de l'invention peut être modifié afin de réduire au minimum facilement la "perte de pression" du flux de gaz/abrasif (2) à l'aide d'un clapet à pincement (28) et pour extraire les conduits souples usés pour l'entretien de routine et l'autoclavage de l'appareil. L'appareil de l'invention présente également un nouvel ensemble de prises destiné à acheminer des particules abrasives.

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