Doctors use a central line to puts lots of fluid into a large vein, such as the one in the head & neck
[DOC] [TLE] Vascular Access Procedures - RadiologyInfo.org [PAR] A simple intravenous (IV) line is effective for short-term use, but is not suitable ... 
neck, arms or legs) and the tip of the catheter is positioned into a large central 
vein .... placed via a relatively large, more central vein such as the jugular vein in 
the neck ... Tunneled catheter: For a tunneled catheter, the physician will make 
one... [DOC] [TLE] Why Would I Need a Central Line?