INTERVERTEBRAL DISK PROSTHESIS Russian patent published in 2010 - IPC A61F2/44 

FIELD: medicine.

SUBSTANCE: intervertebral disk prosthesis comprises at least three parts, namely an upper plate, a lower plate and a core movable at least in relation to one plate. Additionally, the prosthesis accommodates two anatomic adaptable elements, increasing diametre and/or height of the prosthesis. On one side, each adaptable element contains a surface contacting to a vertebral surface and, on the opposite side, a surface at least partially having a surface contacting at least partially with the plate opposed to the anatomic adaptable element. The anatomic adaptable elements are fixed on the plates by fasteners.

EFFECT: invention provides restraint of mutual movements of various parts of the prosthesis and adaptation to vertebras of various sizes at reduced price.

37 cl; 11 dwg