Patent ID: 7648592

Claim:
A medical device at least partially formed of a metal alloy which improves the strength and radiopacity of the medical device, said metal alloy including at least about 95 weight percent of a solid solution of at least three metals selected from the group consisting of rhenium, molybdenum, titanium, yttrium, and zirconium, said metal alloy including 40-55 weight percent rhenium and 45-60 weight percent molybdenum, said metal alloy including carbon, nitrogen and oxygen, said metal alloy having a nitrogen content of less than about 20 ppm, a carbon content of less than about 150 ppm, and an oxygen content of less than about 75 ppm, said metal alloy having a carbon to oxygen atomic ratio of at least about 1:1, said metal alloy having a carbon to oxygen atomic ratio of less than about 50:1.