𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Removal of screws with damaged heads—A technical tip

✍ Scribed by Aneel Ansari; Roy Twyman

Book ID
116572274
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
292 KB
Volume
39
Category
Article
ISSN
0020-1383

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Biomechanical comparison of a novel mult
Biomechanical comparison of a novel multilevel hex-head pedicle screw design with a conventional head design
✍ Qi Liu; Donald R. Olson; Frederick W. Tiley; Marie Shea; Matt Smits; Robert A. H 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 221 KB

## Abstract The objective of the study was to determine the biomechanical effect during insertion of multilevel hex‐head design pedicle screws compared to a conventional screw‐head design. Eighteen lumbar vertebrae and thoracic vertebrae from human cadavers were instrumented with a novel, multileve