A<unk>  is a subset of neuroprosthetics that is in direct connection with the cerebral cortex of the brain. By directly interfacing with different regions of the cortex, the<unk>  can provide stimulation to an immediate area and provide different benefits, depending on its design and placement. A typical<unk>  is an<unk> able microelectrode array, which is a small device through which a neural signal can be received or transmitted. The goal of a<unk>  and neuroprosthetic in general is "to replace neural circuitry in the brain that no longer functions appropriately."
Cortical implant
Scalp reconstruction
Osteo-odonto-keratoprosthesis
Interbody fusion cage
Microfracture surgery
Triple arthrodesis
Polyaxial screw
Hydrocollator