Importance

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Abstract

There is provided an endocardial pacing lead having a substantially cylindrical length and an electrode at about the distal end thereof, the lead having a conductor for conducting signals between the proximal and distal ends thereof and an outer tubing enclosing the conductor for substantially the length of the lead. A tined piece is provided which envelopes the lead tubing just proximal to the distal electrode, the tined piece having a plurality of tines, each such tine being formed with a substantially C-shaped cross-section having its inner or backward surface substantially complementary to the outer surface of the tubing. The tined piece also preferably provides riser elements interspaced between respective pairs of the tines for providing a raised lead surface adjacent the tine interangles, thereby increasing the effective tined inter-radius presented to heart wall structures.

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First Claim