Management of Blocked Central Venous Devices and Lines PAEDIATRIC INNOVATION, EDUCATION & RESEARCH NETWORK Procedure for changing the dressing Right Decisions Every 7 days we change my PICC line dressings to keep my line clean and safe. Last night we changed it again at home with speciality supplies. Ps: medical glue into an open wound flipping HURTS!! But Central Line Dressing Change Kit with Chloraprep Dressing Change Tray PICC Line, SorbaView McKesson