FIELD: medical engineering. SUBSTANCE: device has casing 1 manufactured from titanium. Rod 2 is screwed in into casing 1. Implant rod is connected to the casing by means of available geometric closure elements, some of which are prefabricated in coupled pieces, for instance shaped recesses, the other part forms as a result of locking ring deformation made from soft material when screwing-in the implant rod. EFFECT: reliable protection against rotation of implant rod. 10 cl, 4 dwg
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Authors
Dates
1997-09-20—Published
1991-09-06—Filed