Rotatable pin, screw-in pacing and sensing lead having Teflon-coated conductor coil
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United States of America Patent
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Jun 20, 1995
Issued Date -
N/A
app pub date -
Apr 29, 1994
filing date -
Dec 4, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotatable pin, screw-in pacemaker lead assembly has a conductor coil enclosed within a silicone insulating tube. The conductor coil has a distal end secured to a helix electrode and a proximal end including a rotatable connector pin. The outer surface area of the conductor coil is coated with a super thin film of biocompatible Teflon. The Teflon coating substantially reduces the friction between the conductor coil and the inner wall of the insulating tube during lead fixation, thereby substantially reducing the number of turns of the connector pin required to effect fixation of the helix electrode.
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