FIELD: medicine. SUBSTANCE: needle body 1 has the slot 10, in which the lock 8 is arranged. The lock 8 has an end with a rounding, determined by a relation r≥ a. A location of the lock axis 9 is determined by a relation a/b≥ 1/2, where a- distance form a center of the axle 9 till the convex surface of the body 1; B-distance form the center of the axle 9 till a concave surface of the body 1; r-rounding radius. EFFECT: enhanced serviceability. 1 cl, 4 dwg
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Authors
Dates
1994-06-15—Published
1991-03-19—Filed