| abstract |
The prosthesis comprises an elongate body (1, 1', 13, 13', 13'') which is completely or partially closed and includes a compression chamber (1e, 1'e, 14, 14', 14''), one of the ends of the chamber being integral with an elastic block (2) whose free surface (2a) bears against a ball (3, 3'' and 3', 3''') connected to a means of fixation (4 and 4', 3'''c) engaged in a vertebra (6), while the said body is connected directly or indirectly by way of at least one connection means (9, 15, 15', 15'', 15''', 19 and 41) which bears against a fixation means (4 and 4', 3'''c) implanted in another vertebra (8). <IMAGE> |