Patent ID: 8123702

Claim:
An intraluminal guidewire, comprising: a composite elongate core including a precipitation hardenable material and a superelastic nickel-titanium alloy having a ternary element selected from the group consisting of iridium, platinum, gold, rhenium, tungsten, palladium, rhodium, tantalum, silver, ruthenium and halfnium; and wherein the precipitation hardenable material includes by chemical composition percentage approximately 25 percent molybdenum, 8 percent chromium, 2.5 percent cobalt, a maximum of each of 2 percent iron, 0.8 percent manganese, 0.8 percent silicon, 0.5 percent aluminum, 0.5 percent copper, 0.03 percent carbon and 0.006 percent boron, and a balance of 65 percent nickel.