Cannula, in particular for lumbar puncture and injection, and manufacturing processes therefor

摘要

The present invention relates to a cannula (1, 1 '), in particular for lumbar puncture and injection, with a proximal end (4) and a distal end (5), comprising a cannula tube (10) with an inside (11), a Outer side (12), a first end region and a second end region, which forms a cannula channel (15), the cannula tube (10) having a tip (14) at the second end region, which the distal end (5) of the cannula (1) forms, wherein the cannula tube (10) has an opening (20) of the cannula channel (15), and a coating (18) is provided at least in the cannula channel (15) on the inside (11) around the opening (20).