Metal Alloy For Medical Devices

Abstract

A method and process for at least partially forming a medical device.

1 - 20 . (canceled) 
     
     
         21 . A medical device in the form of an orthopedic device or an orthodontics device that is formed of a metal alloy that includes 40 wt. % to 99.9 wt. % molybdenum and one or more other material, said metal alloy having an average density of up to about 14 gm/cc, said metal alloy of said medical device has an average grain size of 4-14 ASTM, said other materials selected from the group consisting of the group consisting of calcium, carbon, cerium oxide, chromium, cobalt, copper, gold, hafnium, iron, lanthanum oxide, lead, magnesium, nickel, niobium, osmium, platinum, rare earth metals, rhenium, silver, tantalum, technetium, titanium, tungsten, vanadium, yttrium, yttrium oxide, zinc, zirconium, zirconium oxide. 
     
     
         22 . The medical device as defined in  claim 21 , wherein said metal alloy is selected from the group consisting of MoTiZr, MoHfC, MoY 2 O 3 , MoCe 2 O, MoW, MoTa, MoZrO 2 , MoLa 2 O 3 , and MoY 2 O 3 Ce 2 O. 
     
     
         23 . The medical device as defined in  claim 21 , wherein said metal alloy is MoTiZr, a weight percent of titanium in said MoTiZr is less than 1 weight percent, a carbon content in said MoTiZr is no more than 150 ppm, and a weight percent of zirconium in said MoTiZr is less than 1 weight percent and said MoTiZr has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         24 . The medical device as defined in  claim 21 , wherein said metal alloy is MoHfC, a weight percent of said hafnium in said MoHfC is about 0.8-1.4 weight percent and a weight percent of said carbon in said MoHfC is about 0.05-0.15, and said MoHfC has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         25 . The medical device as defined in  claim 21 , wherein said metal alloy is MoY 2 O 3 , a weight percent of Y 2 O 3  in said MoY 2 O 3  is about 0.3-0.5, a carbon content in said MoY 2 O 3  is no more than 150 ppm, and said MoY 2 O 3  has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         26 . The medical device as defined in  claim 21 , wherein said metal alloy is MoCe 2 O, a weight percent of Ce 2 O in said MoCe 2 O is about 0.04-0.1, a carbon content in said MoCe 2 O is no more than 150 ppm, and said MoCe 2 O has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         27 . The medical device as defined in  claim 21 , wherein said metal alloy is MoW, a weight percent of tungsten in said MoW is about 20-50 weight percent, a carbon content in said MoW is no more than 150 ppm, and said MoW has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         28 . The medical device as defined in  claim 21 , wherein said metal alloy is MoTa, a weight percent of Ta in said MoTa is about 10-50 weight percent, a carbon content in said MoTa is no more than 150 ppm, and said MoTa has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         29 . The medical device as defined in  claim 21 , wherein said metal alloy is MoZrO 2 , a weight percent of ZrO 2  in said MoZrO 2  is about 1.2-1.8, a carbon content in said MoZrO 2  is no more than 150 ppm, and said MoZrO 2  has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 Gpa. 
     
     
         30 . The medical device as defined in  claim 21 , wherein said metal alloy is MoLa 2 O 3 , a weight percent of La 2 O 3  in said MoLa 2 O 3  is about 0.3-0.7, and a carbon content in said MoLa 2 O 3  is no more than 150 ppm, and said MoLa 2 O 3  has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         31 . The medical device as defined in  claim 21 , wherein said metal alloy is MoY 2 O 3 Ce 2 O, a weight percent of Ce 2 O in said MoY 2 O 3 Ce 2 O is about 0.04-0.1, a carbon content in said MoY 2 O 3 Ce 2 O is no more than 150 ppm, and a weight percent of Y 2 O 3  in said MoY 2 O 3 Ce 2 O is about 0.3-0.5 weight percent, and said MoY 2 O 3 Ce 2 O has an elongation of greater than 10%, a UTS of 60-320 ksi, and a modulus of elasticity of >300 GPa. 
     
     
         32 . The medical device as defined in  claim 21 , wherein said metal alloy includes a nitride layer on an outer surface of said metal alloy. 
     
     
         33 . The medical device as defined in  claim 21 , wherein said metal alloy formed of isostatically pressed together metal powder that has been sintered.