| US 7,463,933 B2 | ||
| Lead retention means | ||
| Dale A. Wahlstrom, Plymouth, Minn. (US); Jay A. Erlebacher, Tenafly, N.J. (US); and John L. Sommer, Coon Rapids, Minn. (US) | ||
| Assigned to Medtronic, Inc., Minneapolis, Minn. (US) | ||
| Filed on Jun. 17, 2004, as Appl. No. 10/870,211. | ||
| Application 10/870211 is a continuation in part of application No. 10/771643, filed on Feb. 04, 2004, granted, now 7,212,869. | ||
| Prior Publication US 2005/0171588 A1, Aug. 04, 2005 | ||
| Int. Cl. A61N 1/00 (2006.01) | ||
| U.S. Cl. 607—126 | 23 Claims |
| 1. A medical lead, comprising:
an elongate body having an electrical conductor therein;
a first retaining segment, extending along a length of the body, forming a first fixed portion of an outer surface of the
body and including a first end and a first plurality of projections extending in a first direction from the first portion
of the outer surface, each of the first plurality of projections including a terminal edge directed toward the first end;
and
a second retaining segment, longitudinally separate and detached from the first retaining segment, extending along another
length of the body, forming a second fixed portion of the outer surface of the body and including a second end opposite the
first end, and a second plurality of projections extending in a second direction opposite the first direction from the second
fixed portion of the outer surface, each of the second plurality of projections including a terminal edge directed toward
the second end;
wherein the first plurality of projections and the second plurality of projections are formed from a bioabsorbable material
and are adapted to interfere with a wall of a vessel to retain the body within the vessel.
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