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  Weil Osteotomy
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Surgical Technique - Placement
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  • Immediately after the Weil osteotomy,
    the metatarsal head will move proximally. The metatarsal formula will be controlled and/or restored. (9)
  • Next, the Spin® screw is placed. It is
    not necessary to prepare the dorsal
    bone since the Spin® screw is a self-drilling and self-tapping screw which
    is introduced by a power drill (Jacobs Chuck). (10)

  • Sometimes it is necessary to initiate
    the snap-off effect by moving the drill forward (osteoporotic bone), (11) whereas sometimes pre-drilling using a
    K-wire (1 mm diameter) is advised in extremely solid cortical bone

 
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