FIELD: medicine.
SUBSTANCE: decompressive craniotomy is performed. The bone flap is maintained, which is vertically split into two valve parts along the geometric center and each valve is fixed in the bone window two bone sutures, fixing against collapsing with titanium Z-shaped fixtures that are attached to the skull bone. One of the devices, 10-20 mm long is screwed to the skull bone on the line of bone flap cutting and intact skull at the valves junction, and one device, 5-10 mm long is fixed to each of the opposite walls of the bone window between the bone sutures. Then the skin-muscle-aponeurotic flap is laid in place and the wound is sutured. Z-shaped fixtures have a wall thickness of 0.5-1.5 mm, height, depending on the thickness of the skull bones at the place of fixation, a working angle, depending on the angle of skull bone cutting and holes on a shelf for the fixture.
EFFECT: method allows to exclude valves blocking through mobile fixation of valves with a turn outside relative to the skull bone, and prevent repeated cranioplasty.
3 dwg, 2 ex
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Authors
Dates
2018-01-12—Published
2017-03-07—Filed