Cranial criciate ligament rupture in huge dogs is always a challenge. TTO is a good variant for surgery in such cases. Locking system is definitely recommendable and it should be strong enough. With its 4.0 mm tick stainless steel locking screws, very good locking, polyaxiality and very convenient geometry of the multipurpose plate the Universal Locking System is a very reliable choice. Here you can see a case visualised only with pre- and post-op XRays without text of TTO in huge dog with ULS.