FIELD: medical engineering. SUBSTANCE: device incorporates splined trapezoid-section screw whose smaller base is directed outwards and cover with legs disposed in spline. Cover is made of material having shape memory and vertical rib in its external surface and opening, with flexible spacer being placed in between cover and screw head. EFFECT: more sophisticated design. 3 cl, 1 dwg
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Authors
Dates
1995-01-20—Published
1990-11-19—Filed