Electrode connecting cable for cardiac pacemaker
First Claim
1. Electrode connecting cable for a cardiac pacemaker having a cover tube of elastic electrically insulating material and at least one conductor strand enclosed therein for electric stimulating pulses, said conductor comprising a core of a metal of high electrical conductivity and a cladding of a corrosion resistant, non-toxic metal, further comprising the improvement, according to the invention, wherein:
- each said conductor strand is a die-drawn clad wire, of which the cladding layer is of a metal selected from the group consisting of tantalum, titanium, zirconium, niobium, titanium-base alloys, platinum, platinum-iridium alloys, platinum-palladium alloys and platinum-rhodium alloys, having a thickness in the range from 0.0025 to 0.035 mm, andthe core of said conductor is cylindrical when the wire is straight and its diameter is in the range from 0.04 to 0.3 mm.
2 Assignments
0 Petitions
Accused Products
Abstract
A cable for connecting a cardiac pacemaker to an electrode inserted in the heart through the blood stream utilizes a die-clad conductor or a number ofthem, especially several die-clad strands forming a twisted conductor of the stranded type, enclosed in a covering tube of a synthetic elastomer. The core of each die-clad strand is of a highly conducting metal, such as copper or a high-copper alloy. The outer cladding is a metal selected from the group consisting of tantalum, titanium, zirconium, niobium, titanium-base alloys, platinum, platinum-iridium alloys, platinum-palladium alloys and platinum-rhodium alloys. The cladding thickness is in the range from 0.0025 to 0.035 mm, while the cord diameter is between 0.04 to 0.3 mm. When tantalum, titanium, zirconium, niobium or titanium-alloy cladding is used, the outer surface can be made electrically insulating, preferably by anodizing.
52 Citations
10 Claims
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1. Electrode connecting cable for a cardiac pacemaker having a cover tube of elastic electrically insulating material and at least one conductor strand enclosed therein for electric stimulating pulses, said conductor comprising a core of a metal of high electrical conductivity and a cladding of a corrosion resistant, non-toxic metal, further comprising the improvement, according to the invention, wherein:
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each said conductor strand is a die-drawn clad wire, of which the cladding layer is of a metal selected from the group consisting of tantalum, titanium, zirconium, niobium, titanium-base alloys, platinum, platinum-iridium alloys, platinum-palladium alloys and platinum-rhodium alloys, having a thickness in the range from 0.0025 to 0.035 mm, and the core of said conductor is cylindrical when the wire is straight and its diameter is in the range from 0.04 to 0.3 mm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification