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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11116877 B1

PDFFull Text
Date of Patent:
Sep. 14, 2021

Filed:

Mar. 21, 2018

Antibacterial medical implant surface

Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Stacey M. Gifford, Ridgefield, CT (US);

Huan Hu, Yorktown Heights, NY (US);

Emily R. Kinser, Poughkeepsie, NY (US);

Roy R. Yu, Poughkeepsie, NY (US);

Sufi Zafar, Briarcliff Manor, NY (US);

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);

Attorneys:

Cantor Colburn LLP

Kristofer Haggerty

Primary Examiner:

Abigail Vanhorn

Int. Cl.
CPC ...
A61L 31/16 (2006.01); A61L 31/06 (2006.01); A61L 31/08 (2006.01); B82B 3/00 (2006.01); B81C 1/00 (2006.01); A61L 27/06 (2006.01); A61L 27/30 (2006.01); A61L 27/50 (2006.01); A61L 27/34 (2006.01); A61L 31/10 (2006.01);
U.S. Cl.
CPC ...
A61L 31/16 (2013.01); A61L 27/06 (2013.01); A61L 27/306 (2013.01); A61L 27/34 (2013.01); A61L 27/50 (2013.01); A61L 31/06 (2013.01); A61L 31/088 (2013.01); A61L 31/10 (2013.01); B81C 1/00206 (2013.01); B82B 3/0019 (2013.01); B82B 3/0033 (2013.01); A61L 2300/406 (2013.01); A61L 2300/606 (2013.01); A61L 2400/12 (2013.01); A61L 2400/18 (2013.01); A61L 2420/02 (2013.01); A61L 2420/08 (2013.01); B81B 2203/0361 (2013.01); B81B 2207/056 (2013.01);
Abstract

Aspects include methods of fabricating antibacterial surfaces for medical implant devices including patterning a photoresist layer on a silicon substrate and etching the silicon to generate a plurality of nanopillars. Aspects also include removing the photoresist layer from the structure and coating the plurality of nanopillars with a biocompatible film. Aspects also include a system for preventing bacterial infection associated with medical implants including a thin silicon film including a plurality of nanopillars.

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