Patent ID: 6231340
Filing Date: 2001-05-15
Classification: A61C

Abstract:
An endodontic instrument apparatus for releasably securing a shaft of an endodontic dental tool, which comprises:a) a back portion sized to be comfortably received within a user's hand, the back portion having a tapered handle end;b) a middle portion sized to be smaller in cross-section than the back portion, with a tapered transition area extending between the back portion and the middle portion;c) an externally threaded front portion of larger cross-sectional size than the middle portion, an transverse aperture extending through the externally threaded front portion, the transverse aperture sized to closely receive the shaft of the endodontic dental tool therein, the front portion further having a radiused distal end portion of a size smaller than the threaded front portion; andd) an internally threaded nut sized to be threadably received on the externally threaded front portion, the nut rotated to threadably bias the nut against the shaft on the selected endodontic tool positioned in the transverse aperture to securely and releasably secure the dental tool in the transverse aperature.