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).
Overview of Central Venous Access Catheters for Hemodialysis. Since 1983, Medicare has paid dialysis facilities a predetermined, bundled rate intended to cover a specific bundle of services. provided to patients in a given dialysis treatment. However, payment for procedures involving the hemodialysis catheter are.