Endodontic instrument, the active portion of which has a slot forming a passage for a fluid

摘要

The invention relates to an endodontic instrument used for working on a canal in a tooth, having a base from which an active portion for working on the canal extends longitudinally, characterized in that said active portion has at least one slot extending longitudinally and forming a passage for fluid.

主权项

1. Endodontic instrument for working a canal in a tooth, comprising:
a base forming a non-cutting portion and comprising an irrigation slot configured to receive an irrigation fluid; a distal end; and an active part forming a cutting portion longitudinally extending from the base to the distal end for working of the canal, wherein said active part has a plurality of slots formed on an exterior surface of the active part and passing through a cross-section of the active part, the plurality of slots extending longitudinally and forming passages for the irrigation fluid, the irrigation slot in the base communicating with at least one of the plurality of slots in the active part, wherein said active part has at least two demarcating arms extending longitudinally from the base to the distal end in the form of ribbons, wherein each of the plurality of slots is delimited between two adjacent arms of said at least two demarcating arms at least at the exterior surface, the plurality of slots extending continuously along an entire length of the active part.