Steven Scott Larsen
Dentist in Logan, UT

2013010, Apr 25, 2013

Apr 11, 2012

13/444367

Steven Larsen - North Logan UT, US

A61C 5/02

433102

The invention is an endodontic instrument which comprises, among other features: a handle having an elongated base with a threaded projection having a recessed distal surface capable of cupping a first terminus portion of an elongated plastic grip attached to an endodontic file; and a cap containing a channel extending through the cap with the channel being threaded for mating with the projection of the elongated base of said endodontic instrument handle, said cap possessing a side and containing an aperture through which an endodontic file can project, the diameter of the aperture being selected to be larger than the diameter of the endodontic file but smaller than the diameter of a plastic grip attached to the endodontic file, said cap further having a recessed interior surface capable of cupping a second terminus portion of an elongated plastic grip attached to an endodontic file.

2005008, Apr 21, 2005

Oct 20, 2003

10/690421

Steven Larsen - North Logan UT, US

A61C003/00, A61C005/02

433141000, 433147000, 433102000

An endodontic instrument having a handle and a cap. The handle and cap are threadingly mated. A channel extends through a first end of the cap; the second end of the cap contains an aperture through which an endodontic file can project. Optionally, the edodontic instrument includes a bent endodontic file; and the aperture in the second end of the cap is extended to the side of the cap and, on such side, elartged to dimensions sufficient to permit the introduction into the channel of a plastic cap attached to the end of the endodontic file opposite to the tip of the endodontic file.