Anti-migration micropatterned stent coating

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United States of America Patent

PATENT NO 9526640
APP PUB NO 20150051693A1
SERIAL NO

14459084

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Abstract

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An endoprosthesis has an expanded state and a contracted state, the endoprosthesis includes a stent having an inner surface defining a lumen, having an outer surface, and defining a plurality of apertures through the outer surface, wherein the apertures are arranged in a micropattern; and a coating (e.g., polymeric coating) attached to the outer surface of the stent. The coating includes a base and a tissue engagement portion including a second surface facing outwardly from the stent, the tissue engagement portion including a structure that defines a plurality of holes extending inwardly from the second surface toward the base. The holes are arranged in a micropattern. When the endoprosthesis is expanded to the expanded state in a lumen defined by a vessel wall, the structure applies a force that may reduce stent migration by creating an interlock between the vessel wall and the endoprosthesis.

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Patent Owner(s)

  • BOSTON SCIENTIFIC SCIMED, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bertolino, William Framingham, US 29 994
Firstenberg, Laura Elizabeth Worcester, US 14 137
Lai, Andrea Deer Park, US 5 42
Lam, Sandra Rancho Palos Verdes, US 5 42
McLeod, Claire M Philadelphia, US 5 42
Taylor, Shannon St. Simons Island, US 7 44

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