Table 2.

Table lists different lumbar artificial discs and respective types of materials and features [60–63] .

Lumbar discs	Articulating surfaces and materials	Constraint	Center of rotation	Manufacturer
SB Charité	Metal-polymer-metal	Unconstrained	Mobile	DePuy Spine, Raynham, MA, USA
Prodisc-L	Metal-polymer-metal	Semiconstrained	Mobile	Synthes, West Chester, PA,USA
Maverick	Metal-metal	Semiconstrained	Fixed	Medtronic, Minneapolis, MN, USA
Flexicore	Metal-metal	Fully constrained	Fixed	Stryker, Kalamazoo, MA, USA
Mobidisc	Metal-metal	Unconstrained	Mobile	LDR medical, Troyes, France
Activ-L	Metal-polymer-metal	Semiconstrained	Mobile	Aesculap AG Tuttlingen, Germany
Kineflex	Metal-metal	Semiconstrained	Mobile	Spinal Motion, South Africa
Acroflex	Rubber core with titanium endplates (elastomeric disc)	Unconstrained	Mobile	DePuy Spine, Raynham, MA, USA