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  • Title: Skull bone flap fixation--comparative experimental study to assess the reliability of a new grip-like titanium device (Skull Grip) versus traditional sutures: technical note.
    Author: Chibbaro S, Makiese O, Mirone G, Bresson D, Chauvet D, Di Emidio P, Galzio R, George B.
    Journal: Minim Invasive Neurosurg; 2009 Apr; 52(2):98-100. PubMed ID: 19452419.
    Abstract:
    INTRODUCTION: After completing a craniotomy, whenever possible, it is crucial to replace and fix the removed bone flap to the cranium; this in order to keep the brain's protection as well as for cosmetic purposes. Visible skull defects might cause patients psychosocial problems and, most importantly, expose the brain to accidental damage. A fixation device should not only provide optimal attachment of the flap to the skull but also allow fast bony healing to avoid possible pseudoarthrosis and/or osteolytic changes. METHODS: After performing 12 different craniotomies on 4 human cadaver heads the skull flaps were replaced using traditional sutures and a new skull fixation device; for each fixation technique a load-bearing test was performed and the results compared. RESULTS: Bone flaps fixed with the "Skull Grip" showed a strong fixation with optimal plastic deformation when compared to flaps held by sutures that showed less resistance to pressure and could be easily dislocated. CONCLUSION: The "Skull Grip" has shown to be a reliable, effective, and stronger bone flap fixation superior to suturing technique.
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