Patent ID: 8647116
Filing Date: 2014-02-11
Classification: A61C

Abstract:
1. An endodontic file for use with a dental instrument having a rotatable barrel of known internal diameter, the endodontic file having a first end and a second end and being adapted for coupling at the first end thereof to the barrel of the dental instrument, the endodontic file comprising at least a central longitudinal cord, a helically wound wire at least partially surrounding the longitudinal cord, and an elastomeric grip partially covering the helically wound wire and extending from a terminal portion of the first end of the endodontic file thereof, the elastomeric grip serving to frictionally engage the rotatable barrel, whereby on insertion into the barrel, the elastomeric grip is squeezed by the barrel and the endodontic file is supported therein by friction alone without any other locking means.