Electrical connection for medical electrical stimulation electrodes
First Claim
1. An endocardial lead, comprising:
- a hollow tubular, electrically conductive sleeve having a first open end for receiving a conductor, and having a second open end including an outer face surface;
an electrode, electrically and mechanically integrated with an outer intermediate surface of said sleeve between said first and second ends; and
a conductor, fitted into said sleeve through said first open sleeve end, such that a distal end of the conductor passes through the sleeve to the face surface of the sleeve, where the conductor is electrically and mechanically connected to the sleeve.
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Accused Products
Abstract
An improved endocardial lead for electrocardial stimulation includes a sleeve that has a face surface. A conductor fitted into the sleeve, such that a distal end of the conductor passes completely through the sleeve, past the face surface, is electrically and mechanically connected to the face surface of the sleeve by mechanical means, e.g. crimping, and/or through the application of heat, e.g. welding or brazing. An electrode is integrated with the sleeve along an outer sleeve surface. A highly reliable, redundant joint is thereby provided between the sleeve and the conductor that secures the conductor against movement and therefore minimizes stress placed on the conductor, preventing fatigue to the conductor at the joint. A sleeve made in accordance with the present invention provides the narrowest and shortest possible conductor/electrode joint to minimize impact on the patient, while at the same time providing an endocardial lead that has excellent electrical properties, mechanical stability, and ease of manufacture, and that may be made from any desired material to thereby take advantage of new and/or improved materials.
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Citations
28 Claims
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1. An endocardial lead, comprising:
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a hollow tubular, electrically conductive sleeve having a first open end for receiving a conductor, and having a second open end including an outer face surface; an electrode, electrically and mechanically integrated with an outer intermediate surface of said sleeve between said first and second ends; and a conductor, fitted into said sleeve through said first open sleeve end, such that a distal end of the conductor passes through the sleeve to the face surface of the sleeve, where the conductor is electrically and mechanically connected to the sleeve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An endocardial lead, comprising:
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an electrically conductive sleeve having a central axis and an open end for receiving a conductor; an electrode, electrically and mechanically connected to a surface of said sleeve; and said conductor having an end fitted into said sleeve through said open end, and electrically and mechanically connected to said sleeve in a plane perpendicular to said sleeve axis. - View Dependent Claims (28)
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Specification