Collagen for medical use; biological implants, namely, biological eye tissue intended for subsequent implantation, biological skin tissue intended for subsequent implantation, biological cardiac tissue intended for subsequent implantation, biological tissue grafts; biological corneal, cardiac, nerve, and skin tissue for implantation; surgical implants comprised of living tissues; biological materials in the nature of biological preparation for the treatment of eye disease for medical purposes; bioengineered materials in the nature of biological eye tissue; bioengineered biological organ tissues for medical, veterinary and pharmaceutical purposes; biological implants comprising biopolymers, namely, collagen, nanocellulose, and living tissue for delivery of stem cells and biological agents; implants comprising living tissue; implants comprising biopolymers, namely, collagen, nanocellulose for guided tissue regeneration; surgical implants biopolymers, namely, collagen, nanocellulose and native tissue, grown from stem cells; implantable materials in the nature of biopolymers, namely, collagen, nanocellulose, and native tissue for use in guided tissue regeneration; cell culture media for medical purposes for cultivating human and animal cells such as corneal, and cardiac cells and stem cells

Corneal implants in the form of inlays made of artificial and natural, non-living, materials; corneal microlens for sight correction being implants made of artificial and natural, non-living, materials; corneal shields being surgical implants and contact lenses made of artificial and natural, non-living, materials; corneal implants made of artificial and natural, non-living, materials; corneal implants for sight correction made of artificial and natural, non-living, materials; intra-corneal implants made of artificial and natural, non-living, materials; intra-ocular implants made of artificial and natural, non-living, materials; ocular implants made of artificial and natural, non-living, materials; medical implants made of artificial and natural, non-living, materials; biodegradable implants for eye, skin, and heart applications, made of artificial and natural, non-living, materials; prosthetic implants for eye, skin, and heart applications, made of artificial and natural, non-living, materials; artificial implants for eye, skin, and heart applications, made of artificial and natural, non-living, materials for delivery of cells, stem cells, drugs, genes, and proteins