Web28 jun. 2024 · Previous studies have focused on the salvage procedures for loosened screws in the osteoporotic spine that include the use of expandable screws, the … Web3 okt. 2024 · The pedicle screw is a particular type of bone screw designed for implantation into a vertebral pedicle that provides a means of grasping a spinal segment in any level …
The biomechanical effect of pedicle screw hubbing on pullout
WebAlthough pedicle screw fixation has acceptance in Europe and other countries, there was a controversy in United States regarding its use. The controversy was predominantly due … Web1 mei 2012 · Hubbing the head of the pedicle screw against the dorsal laminar cortex has been postulated to reduce the moment arm, providing a load-transfer effect to the … bandidas
Pedicle screw "hubbing" in the immature thoracic spine: a ... - Pub…
Web11 okt. 2024 · Background Pedicle screws can be augmented with polymethylmethacrylate (PMMA) cement through cannulated and fenestrated pedicle screws to improve screw anchorage. To overcome the drawbacks of PMMA, a modified augmentation technique applying a self-curing elastomeric material into a balloon-created cavity prior to screw … WebPedicle screw hubbing involves seating the screw head into the dorsal lamina. This technique is postulated to provide 1)a load-sharing effect thereby improving pullout resistance, and 2)a reduction i. Skip to main content Log In. Create an Account. Web23 nov. 2024 · The pedicle is the bridge of bone (outlined in red) that connects the posterior elements to the anterior elements of the spine. Image 2: Axial (cross-sectional) CT scan … arti rika dalam bahasa arab