Medical device that includes a rhenium-chromium alloy

A medical device that is partially or fully formed of a rhenium-chromium metal alloy;

• said rhenium-chromium metal alloy comprising rhenium and chromium;
• and wherein A) a weight percent of said rhenium in said rhenium-chromium metal alloy is at least 50 wt. %;
• a weight percent of said chromium in said rhenium-chromium metal alloy is at least 25 wt. %;
• a weight percent of alloying agent in said rhenium-chromium metal alloy is 0-25 wt. %;
• a combined weight percent of said rhenium and said chromium is at least 75 wt. % of said rhenium-chromium metal alloy;
• a weight percent of said rhenium in said rhenium-chromium metal alloy is greater than a weight percent of said chromium in said rhenium-chromium metal alloy;
• said alloying agent including one or more metals selected from a group consisting of molybdenum, bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium, or B) a weight percent of said rhenium in said rhenium-chromium metal alloy is less than 50 wt. %;
• said rhenium-chromium metal alloy includes 0.1-50 wt. % alloying agent;
• said alloying agent including one or more metals selected from a group consisting of molybdenum, bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium;
• a weight percent of said chromium in said rhenium-chromium metal alloy is at least 25 wt. %;
• a combined weight percent of said rhenium and said chromium is at least 50 wt. % of said rhenium-chromium metal alloy.

A medical device that is partially or fully formed of a rhenium-chromium metal alloy;

• said rhenium-chromium metal alloy comprising rhenium and chromium;
• and wherein a weight percent of said rhenium in said rhenium-chromium metal alloy is at least 50 wt. %;
• a weight percent of said chromium in said rhenium-chromium metal alloy is at least 25 wt. %;
• a weight percent of alloying agent in said rhenium-chromium metal alloy is 0-25 wt. %;
• a combined weight percent of said rhenium and said chromium is at least 75 wt. % of said rhenium-chromium metal alloy;
• said alloying agent including one or more metals selected from a group consisting of bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium.

A medical device that is partially or fully formed of a rhenium-chromium metal alloy;

• said rhenium-chromium metal alloy comprising rhenium and chromium formed from a sintering process and an isostatic pressing process;
• an average particle size of metal particles used to form said rhenium-chromium metal alloy is less than about 150 microns;
• said metal particles having a purity of at least 99%;
• said rhenium-chromium metal alloy comprises A) at least 50 wt. % of said rhenium;
• at least 25 wt. % of said chromium;
• 0-25 wt. % alloying agent;
• a combined weight percent of said rhenium and said chromium is at least 75 wt. % of said rhenium-chromium metal alloy;
• a weight percent of said rhenium in said rhenium-chromium metal alloy is greater than a weight percent of said chromium in said rhenium-chromium metal alloy;
• said alloying agent includes one or more metals selected from a group consisting of molybdenum, bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium, or B) less than 50 wt. % of said rhenium;
• 0.1-50 wt. % alloying agent;
• said alloying agent includes one or more metals selected from a group consisting of molybdenum, bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium;
• a weight percent of said chromium in said rhenium-chromium metal alloy is at least 25 wt. %;
• a combined weight percent of said rhenium and said chromium is at least 50 wt. % of said rhenium-chromium metal alloy.

A medical device that is partially or fully formed of a rhenium-chromium metal alloy;

• said rhenium-chromium metal alloy comprising rhenium and chromium;
• said rhenium-chromium has a crystalline structure of body-centered cubic (BCC);
• said rhenium-chromium metal alloy incudes:
• A) at least 50 wt. % of said rhenium;
• at least 25 wt. % of said chromium;
• 0-25 wt. % alloying agent;
• a combined weight percent of said rhenium and said chromium is at least 75 wt. % of said rhenium-chromium metal alloy;
• a weight percent of said rhenium in said rhenium-chromium metal alloy is greater than a weight percent of said chromium in said rhenium-chromium metal alloy;
• said alloying agent includes one or more metals selected from a group consisting of molybdenum, bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium;
• or
• B) less than 50 wt. % of said rhenium;
• 0.1-50 wt. % alloying agent;
• said alloying agent includes one or more metals selected from a group consisting of molybdenum, bismuth, niobium, tantalum, titanium, vanadium, tungsten, manganese, zirconium, technetium, ruthenium, rhodium, hafnium, osmium, copper, yttrium, zirconium, and iridium;
• a weight percent of said chromium in said rhenium-chromium metal alloy is at least 25 wt. %;
• a combined weight percent of said rhenium and said chromium is at least 50 wt. % of said rhenium-chromium metal alloy;
• or
• C) 50-75 wt. % rhenium, 25-50 wt. % Cr, and 0.5-25 wt. % of said alloying agent;
• said alloying agent includes one or more metals selected from the group consisting of bismuth, iridium, manganese, molybdenum, niobium, tantalum, vanadium, titanium, tungsten, yttrium, and zirconium;
• or
• D) 50-75 wt. % rhenium, 25-50 wt. % Cr, and 0.5-25 wt. % of said alloying agent;
• said alloying agent includes one or more metals selected from the group consisting of bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium;
• and said metal alloy includes 0-0.1 wt. % of secondary materials;
• said secondary materials are selected from the group consisting of a) metals other than rhenium, bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium, b) carbon, c) oxygen and d) nitrogen;
• or
• E) 55-75 wt. % rhenium, 25-45 wt. % Cr, and 0.5-25 wt. % of said alloying agent;
• said alloying agent includes one or more metals selected from the group consisting of bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium;
• and said metal alloy includes 0-0.1 wt. % of secondary materials;
• said secondary materials are selected from the group consisting of a) metals other than rhenium, bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium, b) carbon, c) oxygen and d) nitrogen;
• or
• F) 50-75 wt. % rhenium, 25-50 wt. % Cr, and 0.5-25 wt. % of said alloying agent;
• said alloying agent includes one or more metals selected from the group consisting of bismuth, iridium, manganese, molybdenum, niobium, tantalum, vanadium, titanium, tungsten, yttrium, and zirconium;
• or
• G) 50-75 wt. % rhenium, 25-50 wt. % Cr, and 0.5-25 wt. % of said alloying agent;
• said alloying agent includes one or more metals selected from the group consisting of bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium;
• and said metal alloy includes 0-0.1 wt. % of secondary materials;
• said secondary materials are selected from the group consisting of a) metals other than rhenium, bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium, b) carbon, c) oxygen and d) nitrogen;
• or
• H) 55-75 wt. % rhenium, 25-45 wt. % Cr, and 0.5-25 wt. % of said alloying agent;
• said alloying agent includes one or more metals selected from the group consisting of bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium;
• and said metal alloy includes 0-0.1 wt. % of secondary materials;
• said secondary materials are selected from the group consisting of a) metals other than rhenium, bismuth, iridium, molybdenum, niobium, tantalum, vanadium, yttrium, and zirconium, b) carbon, c) oxygen and d) nitrogen;
• or
• I) 0.5-60 atomic weight percent (atw. %) Re and 0.5-70 awt. % chromium;
• and one or more of molybdenum, tantalum, niobium, titanium and zirconium;
• a combined atomic weight percent of rhenium and chromium is at least 60 awt. %.