US 6,981,985 B2 | ||
Stent bumper struts | ||
Brian J. Brown, Hanover, Minn. (US); David M. Knapp, St. Paul, Minn. (US); and Jan Weber, Maple Grove, Minn. (US) | ||
Assigned to Boston Scientific SciMed, Inc., Maple Grove, Minn. (US) | ||
Filed on Jan. 22, 2002, as Appl. No. 10/53,756. | ||
Prior Publication US 2003/0139798 A1, Jul. 24, 2003 | ||
Int. Cl. A61F 2/06 (2006.01) |
U.S. Cl. 623—1.15 | 21 Claims |
1. A medical device comprising:
a stent, the stent having a reduced stale and an expanded state and being comprised of a plurality of interconnected struts,
the stent being coated with a polymer matrix, the polymer matrix of at least one strut comprising a therapeutic substance,
at least one strut having at least one bumper,
in the reduced state the at least one bumper being immediately adjacent to the at least one strut comprising the therapeutic
substance but not in contact with the theraceutic substance.
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