A device in a disc implant (2) for positioning between two vertebrae
(3,3') in a spinal column, said disc implant (2) including two contacting
elements (14,14') for contacting each one vertebra and an intermediate
articulation device (15) includes at least one sealing element (13,13')
for attachment to a peripheral part of one of the contacting elements for
sealing between that element and an adjacent vertebra. The invention also
concerns a disc implant.