A conductor device having at least one spiral which is formed from at least one conductor, each conductor consisting of wires which are stranded together to form a bundle. In addition, the wires belonging to a conductor can all consist of the same material or of different materials, one of which has a large breaking strength and the other one having high electric conductivity. The conductor device can connect, for example, in a heart pacemaker, the contact electrode inserted in the heart with an electric pulse generator. The conductor device provides a relatively high electric conductance with great flexibility, expandability, breaking strength and, in particular, fatigue resistance.
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