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Biocompatible Implants and Methods of Making and Attaching the Same

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The invention provides a biocompatible silicone implant that can be securely affixed to living tissue through interaction with integral membrane proteins (integrins). A silicone article containing a laser-activated surface is utilized to make the implant. One example is an implantable prosthesis to treat blindness caused by outer retinal degenerative diseases. The device bypasses damaged photoreceptors and electrically stimulates the undamaged neurons of the retina. Electrical stimulation is achieved using a silicone microelectrode array (MEA). A safe, protein adhesive is used in attaching the MEA to the retinal surface and assist in alleviating focal pressure effects. Methods of making and attaching such implants are also provided.
Rowley, Adrian P. (Los Angeles, CA), Laude, Lucien D. (Rabastens-de-Bigorre, FR), Humayun, Mark S. (Glendale, CA), Weiland, James D. (Valencia, CA), Lotfi, Atoosa (Valencia, CA), Markland, Jr., Francis S. (Manhattan Beach, CA)
14/ 499,192
September 28, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This application was made with government support under Grant Nos. DOE-(Artificial Retina program) and NSF-EEC-0310723(BMES ERC), awarded by The United States Department Of Energy and the National Science Foundation, respectively. The government has certain rights in the invention.