FIELD: medicine. SUBSTANCE: rod is made in the form of a tetrahedral hollow prism having slots for placing fixture members formed on side ribs of the prism, bushings mounted on free ends of the rod and longitudinally movable along the rod. Furthermore, the bushings have slots formed on their inner surface corresponding to the rod slots, the fixture member being made in the form of a wavy bent plate. EFFECT: enhanced reliability, improved quality. 2 cl, 4 dwg
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Authors
Dates
1994-06-15—Published
1991-07-08—Filed