Thin film for a lead for brain applications
First Claim
Patent Images
1. A medical lead comprising:
- a proximal portion;
at least one electrode located distal to the proximal portion; and
an electrically conductive thin film extending from the proximal portion to the at least one electrode, the electrically conductive thin film comprising a metal trace formed of a high conductive metal extending from the proximal portion to the at least one electrode and a low conductive metal that encapsulates all sides of the high conductive metal extending from the proximal portion to the at least one electrode, wherein the low conductive metal comprises platinum, is biocompatible and has a lower electrical conductivity than the high conductive metal, and wherein the metal trace is electrically coupled to the at least one electrode such that electrical signals are conducted via the metal trace between the at least one electrode and a medical device electrically coupled to the medical lead.
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Abstract
A thin film for a lead for brain applications includes at least one section comprising a high conductive metal and a low conductive metal, whereby the low conductive metal is a biocompatible metal and has a lower electrical conductivity than the high conductive metal and whereby the high conductive metal is at least partially encapsulated by the low conductive metal. Furthermore, the present invention relates to a method of manufacturing a thin film for a lead for brain applications and a deep brain stimulation system.
40 Citations
28 Claims
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1. A medical lead comprising:
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a proximal portion; at least one electrode located distal to the proximal portion; and an electrically conductive thin film extending from the proximal portion to the at least one electrode, the electrically conductive thin film comprising a metal trace formed of a high conductive metal extending from the proximal portion to the at least one electrode and a low conductive metal that encapsulates all sides of the high conductive metal extending from the proximal portion to the at least one electrode, wherein the low conductive metal comprises platinum, is biocompatible and has a lower electrical conductivity than the high conductive metal, and wherein the metal trace is electrically coupled to the at least one electrode such that electrical signals are conducted via the metal trace between the at least one electrode and a medical device electrically coupled to the medical lead. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method comprising manufacturing a medical lead, the lead comprising:
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a proximal portion; at least one electrode located distal to the proximal portion; and an electrically conductive thin film extending from the proximal portion to the at least one electrode, the electrically conductive thin film comprising a metal trace formed of a high conductive metal extending from the proximal portion to the at least one electrode and a low conductive metal that encapsulates all sides of the high conductive metal extending from the proximal portion to the at least one electrode, wherein the low conductive metal comprises platinum, is biocompatible and has a lower electrical conductivity than the high conductive metal, and wherein the metal trace is electrically coupled to the at least one electrode such that electrical signals are conducted via the metal trace between the at least one electrode and a medical device electrically coupled to the medical lead. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A deep brain stimulation system comprising:
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an implantable pulse generator; and a medical lead coupled to the implantable pulse generator and configured to deliver electrical stimulation pulses from the implantable pulse generator to a target site via an electrode, the medical lead comprising; a proximal portion; at least one electrode located distal to the proximal portion; and an electrically conductive thin film extending from the proximal portion to the at least one electrode, the electrically conductive thin film comprising a metal trace formed of a high conductive metal extending from the proximal portion to the at least one electrode and a low conductive metal that encapsulates all sides of the high conductive metal extending from the proximal portion to the at least one electrode, wherein the low conductive metal comprises platinum, is biocompatible and has a lower electrical conductivity than the high conductive metal, and wherein the metal trace is electrically coupled to the at least one electrode such that electrical signals are conducted via the metal trace between the at least one electrode and a medical device electrically coupled to the medical lead. - View Dependent Claims (28)
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Specification