ATRAUMATIC NEEDLE FOR PUNCTURE OF SUBCLAVIAN VEIN WITH CONCENTRIC CANAL

摘要

The atraumatic needle for the puncture of subclavian vein contains the concentric canal, the sleeve, and the needle 8-10 cm in length. The acute end of the needle is sharpened in a shape of the cone and is bevel-edged. The elliptic opening of the canal is rounded.