1 1902 Willis Haviland Carrier invented the first air conditioner to control the temperature and humidity of a printing company, marking the first time effort taken to control the temperature of the surroundings. 2  This starts the history of air conditioning.
Following the introduction and widespread use of central venous catheters (CVCs) in adult patients, these devices are now frequently used also in the pediatric population. They have become an indispensable route for venous access, especially in pediatric intensive care units (PICUs).
Talk with your doctor or health care. team if you have any questions about your care. Â© November 30, 2016. The Ohio State University Comprehensive Cancer Center â Arthur G. James Cancer Hospital and. Richard J. Solove Research Institute. A tunneled Central Venous Catheter (CVC) is a special type of. intravenous (IV) line that is placed into a large vein in your chest. A long, thin, flexible tube called a catheter is tunneled under your skin and then. placed into the vein. You may hear this type of line called a Central line, GroshongÂ®, HickmanÂ® or an Apheresis Catheter.