US 12,318,619 B2
Medical leads and techniques for manufacturing the same
Bernard Q. Li, Plymouth, MN (US); Richard T. Stone, Roseville, MN (US); Alan Shi, Plymouth, MN (US); Seth M. Humphrys, Golden Valley, MN (US); Wen Tan, Shoreview, MN (US); and Nicholas D. Stepka, Minneapolis, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on May 16, 2022, as Appl. No. 17/663,601.
Claims priority of provisional application 63/193,997, filed on May 27, 2021.
Prior Publication US 2022/0379121 A1, Dec. 1, 2022
Int. Cl. A61N 1/375 (2006.01); C22C 14/00 (2006.01); C22F 1/18 (2006.01)
CPC A61N 1/375 (2013.01) [C22C 14/00 (2013.01); C22F 1/183 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A medical lead comprising:
a lead body including an electrically conductive lead wire;
an electrical contact on a proximal portion of the lead body, the electrical contact comprising a contact substrate; and
an electrode on a distal portion of the lead body, the electrode comprising an electrode substrate,
wherein the electrode substrate is electrically coupled to the contact substrate via the electrically conductive lead wire,
wherein the lead wire is formed of a composition comprising titanium or titanium alloys,
wherein the electrode substrate is formed of a first beta-titanium alloy, wherein the first beta-titanium alloy comprises a TiTaSn alloy, and
wherein the contact substrate is formed of a second beta-titanium alloy.