Signus is expanding its product range for the cervical spine. Along with Tosca and Tosca II Standard, Ascot is a new system that is now available in the USA, Europe and Australia for anterior stabilisation in interbody fusion. Due to its integrated screw locking mechanism and its flat, semi-rigid plate design the company says that Ascot offers reliability and flexibility in the operating room.
Cervical plate systems must adapt to the biomechanical processes in the cervical spine in the best possible way, to enable optimum fusion results. Signus says that this is why is why its cervical plates have a flat and semi-rigid design, which promotes optimum load transfer to the bone and prevents the stress-shielding effect, thus favouring the physiological stimulation of the bone (Wolff’s law)—whilst simultaneously preventing tissue irritations. The positive influence of this plate design on fusion has already been proven in studies, in comparison with inferior outcomes with rigid systems.
Due to the high degree of angle variability of the screws (10 degrees in every direction), implantation is greatly facilitated, as the plate can thus adapt to the patient anatomy. A company press release states that Ascot offers a crucial advantage in that an expansion ring integrated in the plate hole is activated when the screw is screwed in and effectively prevents the postoperative back-out. An additional surgical step is therefore unnecessary and the activated locking mechanism can be easily checked by the surgeon by way of visual inspection.
“Ascot is the result of our many years of experience and continuous advancement in the area of cervical solutions. It combines a proven, fusion-supporting design with a reliable locking mechanism, which efficiently prevents screw migration and is very easy and safe to use,” says Signus’ managing director, Uwe Siedler.
Due to a large selection of mono- and polysegmental plates, Scot adapts to the respective patient anatomy. The plate’s narrow profile and generous fenestration give the surgeon an unimpeded view of the intervertebral space during surgery, thus providing additional safety.