| 摘要 |
A pacemaker lead includes a spiral electrical conductor lead surrounded by an insulating material sheath. One end of the lead is coupled to a connection head for removable connection to a pacemaker. The other end of the lead is connected to a stimulation device. Between the ends, the lead has a sealed access structure housing an auxiliary electrical connection for electrically coupling an external stimulation source or other circuit to the conductor lead by movement across the access structure.
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