Riley News, in the USA, recently ran a story about a 71 year old mean who had been treated using the less invasive X-Lif procedure. This procedure is done through small stab incisions on the sides to gain access. Patinets lie on their side for this procedure, allowing the surgeon to remove the affected disc/s and replace with spacers, the surgeon will then lie the patient face down, to allow him to create small stab incisions where he can place screws and fuse the bones with rods.
Patients will recover in 6 weeks instead of the 6 months recovery time predicted for the usual procedure.
Further information and images about the X_Lif procedure. Lumbar Interbody Fusion