High torsional ductility wire and methods of making the same
First Claim
Patent Images
1. A wire, comprising:
- a core; and
a tube around the core, the tube being composed of an alloy containing about 33 to 37% nickel, about 31.5 to 39% cobalt, about 9 to 10.5% molybdenum, and about 19 to 21% chromium, the wire having an ultimate tensile strength of about 150 to 250 kpsi, an amount of cold work following a final anneal and a torsional ductility of greater than about 6 turns-to-failure per inch of the wire.
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Abstract
Various wires and methods of making the same are disclosed. In one aspect, a wire is provided that includes a core and a tube around the core. The tube is composed of an alloy containing about 33 to 37% nickel, about 31.5 to 39% cobalt, about 9 to 10.5% molybdenum, and about 19 to 21% chromium. The wire has an ultimate tensile strength of about 150 to 250 kpsi, an amount of cold work following a final anneal and a torsional ductility of greater than about 6 turns-to-failure per inch of the wire.
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Citations
17 Claims
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1. A wire, comprising:
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a core; and a tube around the core, the tube being composed of an alloy containing about 33 to 37% nickel, about 31.5 to 39% cobalt, about 9 to 10.5% molybdenum, and about 19 to 21% chromium, the wire having an ultimate tensile strength of about 150 to 250 kpsi, an amount of cold work following a final anneal and a torsional ductility of greater than about 6 turns-to-failure per inch of the wire. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wire, comprising:
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a core; and a tube around the core, the tube being composed of MP35N, the wire having an ultimate tensile strength of about 150 to 250 kpsi, having an amount of cold work following final anneal and a torsional ductility greater than about 6 turns-to-failure per inch of the wire. - View Dependent Claims (8, 9, 10)
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11. A wire, comprising:
a strand of alloy containing about 33 to 37% nickel, about 31.5 to 39% cobalt, about 9 to 10.5% molybdenum, and about 19 to 21% chromium, and having an ultimate tensile strength of about 150 to 250 kpsi, an amount of cold work following final anneal and a torsional of ductility greater than about 6 turns-to-failure per inch of strand. - View Dependent Claims (12, 13, 14)
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15. An electrical lead for a medical device, comprising:
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an electrode; an insulating sleeve coupled the electrode; and a wire coupled to the electrode and at least partially positioned in the insulating sleeve, the wire having a core and a tube around the core, the tube being composed of an alloy containing about 33 to 37% nickel, about 31.5 to 39% cobalt, about 9 to 10.5% molybdenum, and about 19 to 21% chromium, the wire having an ultimate tensile strength of about 150 to 250 kpsi, an amount of cold work following a final anneal and a torsional ductility of greater than about 6 turns-to-failure per inch of the wire.
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16. A wire, comprising:
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a core; and a tube around the core, the tube being composed of a material selected from the group consisting of (a) an alloy containing about 33 to 37% nickel, about 31.5 to 39% cobalt, about 9 to 10.5% molybdenum, and about 19 to 21% chromium, (b) Elgiloy, ©
L605, (d) Inconel and (e) austenitic stainless steels, the wire having an ultimate tensile strength of about 150 to 250 kpsi, having an amount of cold work following final anneal and a torsional ductility greater than about 6 turns-to-failure per inch of the wire. - View Dependent Claims (17)
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Specification