Biomechanical Evaluation of S2 Alar-Iliac Screws: Effect of Length and Quad-Cortical Purchase as Compared With Iliac Fixation

STUDY DESIGN.A biomechanical study conducted on cadaveric specimens. OBJECTIVE.(1) To compare the biomechanical strength of the S2 alar-iliac (S2AI) screw to traditional iliac fixation and (2) to examine the effect of length and trajectory on the S2AI screw. SUMMARY OF BACKGROUND DATA.A recent techn...

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Veröffentlicht in:	Spine (Philadelphia, Pa. 1976) Pa. 1976), 2013-09, Vol.38 (20), p.E1250-E1255
Hauptverfasser:	OʼBrien, Joseph R., Yu, Warren, Kaufman, Brian E., Bucklen, Brandon, Salloum, Kanaan, Khalil, Saif, Gudipally, Manasa
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Biomechanical Phenomena Bone Screws Cadaver Humans Ilium - physiopathology Ilium - surgery Lumbar Vertebrae - physiopathology Lumbar Vertebrae - surgery Male Middle Aged Pelvic Bones - physiopathology Pelvic Bones - surgery Pelvis - physiopathology Pelvis - surgery Range of Motion, Articular Rotation Sacrum - physiopathology Sacrum - surgery Spinal Fusion - instrumentation Spinal Fusion - methods
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