METHOD FOR LASER TREATMENT OF NANOCOMPOSITE COATING OF KNEE JOINT LIGAMENT IMPLANT Russian patent published in 2017 - IPC A61L31/10 A61F2/30 B82Y5/00 

FIELD: medicine.

SUBSTANCE: following steps are carried out: 1) implant preform surface is prepared by implant surface dewaterin, with washing by distilled water in an ultrasonic bath; 2) an auxiliary substance is prepared, which is an aqueous dispersion of proteins and carbon nanotubes at the following quantitative ratio of components (in wt %): protein 19-50; carbon nanotubes 0.001-0.1; water - the rest; 3) a layer of an auxiliary substance - aqueous-protein dispersion of carbon nanotubes from stage 2 - is applied to the surface of the knee joint ligament implant preform from stage 1; an ultrasonic bath with a reservoir filled with water is used, into which a vessel with an aqueous-protein dispersion of carbon nanotubes and a knee joint implant preform is placed; 4) dispersion layers of carbon nanotubes are formed on the implant preform surface be a laser radiation source with a beam directed mostly along the normal line to the nanotubes dispersion layer surface, applied to the knee joint ligament implant preform, and having a spatial profile of the laser beam of π-shaped type, at that, for laser irradiation of the inner surface of the tubular and/or tape preform of the knee joint ligament implant with a layer of water-protein dispersion of carbon nanotubes applied thereto, a light guide with an annular diffuse scattered radiation diagram is used, with the diffuse part length which can correspond to the bone channel length.

EFFECT: secure attachment of the knee ligament implant in the bone channel and obtaining of osteoinductive connection of the ligament implant material with the bone channel material.

9 cl, 4 dwg