Spinal device includes a body formed of a biodegradable matrix biocompatible. The body includes a proximal head side surface and a distal caudal surface for connection to the two ends of the spinal cord that has been damaged after the removal of the damaged portion, the head side for contact with the descending motion path and the top row perception channel It has a through channel with an opening in the front and tail side surfaces. The device transverse diameter _{(D t),} having a longitudinal diameter _(D a) and length _(L), D t is 13mm from 9, the ratio of the longitudinal diameter / horizontal diameter (Rapt) from 0.5 1.0, location and dimensions of the channel, RAPT value, as well as the area of ​​the area and / or tail-side surface of the head-side surface of the device, the shape of the damaged spinal cord for optimal communication between the spinal tract, level, and the dimensions of the white matter and gray matter, and according to the size selection. Kits, and methods using such a device.