| http://www.w3.org/ns/prov#value | - In another aspect of the present invention there is a method of making a surface hardened medical implant comprising the steps of: forming said medical implant of zirconium or zirconium alloy; oxidizing or nitriding said implant at a temperature of from 500??? C. to 700??? C. to form at least a 2 micron thick oxide or nitride; and, thereafter treating said implant under vacuum or inert gas at a te
|
