Arterial catheters were 22 gauge × 1.00 inch, with safety needles (Becton Dickinson ... Then, she tapes a piece of absorbent paper towel or gauze over the wounds and saturates it with bupivacaine ...

His doctor slips a needle into the vein and threads a thin polyethylene tube (catheter) through the needle into the bloodstream. The needle is then removed, the catheter taped down so that it will ...