Steven Scott Treadway

US Patent:

20130269841, Oct 17, 2013

Filed:

Jun 13, 2013

Appl. No.:

13/917038

Inventors:

Steven J.A. Treadway - Jonesborough TN, US

International Classification:

C22F 1/00

US Classification:

148559

Abstract:

Methods for modifying a physical characteristic of finished endodontic instruments made from one or more superelastic alloys is described which include heat treating one or more finished endodontic instruments in a salt bath for a specific time (e.g., from about four hours to about six hours), at a specified temperature (e.g., from about 475 C. to about 550 C.), and preferably at a specified pH range.

US Patent:

20160008092, Jan 14, 2016

Filed:

Sep 25, 2015

Appl. No.:

14/866026

Inventors:

- Johnson City TN, US
Steven J.A. Treadway - Jonesborough TN, US

International Classification:

A61C 5/02
C22F 1/00
C22C 19/03
C22F 1/10

Abstract:

Medical instruments, particularly, endodontic instruments with unique limited memory characteristics, and methods for making such instruments. One embodiment includes heat treating an endodontic blank prior to forming a working portion of the endodontic instrument.