Abasabalalisi abaqhathanisa abahlinzeki bekheji be-interbody bavame ukubheka izinga le-PEEK nentengo ngeyunithi ngayinye, bese becabanga ukuthi okunye kungashintshana. Akunjalo. Ikheji ye-TLIF noma i-PLIF iyithuluzi elincane, eliyinkimbinkimbi yejiyomethri okufanele lilungise izinto ezimbalwa ngesikhathi esisodwa - unyawo, ubude, i-lordotic angle, ukuphela.