FIELD: medicine. SUBSTANCE: needle comprises tube with central channel, blind skew-cut active end and holes in side wall, said holes communicating with central channel. To accelerate injection and improve its conditions, one of holes is made on tube cut and its diameter is smaller than that of central channel. EFFECT: improved design. 1 dwg
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Authors
Dates
1994-02-28—Published
1991-07-09—Filed