Egifix lumbar cages can be used Transforaminal Interbody Lumbar fusion (TLIF) to perform lumbar inter-body arthrodesis using a unilateral transforaminal. Cages are designed with anatomical shape Biconvex superior and inferior surface to match the natural anatomy of the endplate Large graft space provides excellent bone fusion. A wide range of the cages are provided to meet all the surgeons need Two different Lengths 25, 30mm With different heights 7,8,9,10,12 and 14mm.