A method of manufacturing a nerve regeneration device for treating a spinal cord injury comprises providing a mould comprising a bottom plate, a top plate and a centre part, each having a number of holes corresponding to points in the injured spinal cord where nerves should be regenerated, and the centre part having a channel therethrough, placing first flexible elongate structures in the channels, each structure exiting the mould through one hole in the top plate and a matching hole in the bottom plate, filling the mould with a biocompatible or biodegradable material to produce the device, and removing the device from the mould when ready.
