What is Port A implantation

"Port A" is a device implanted subcutaneously used for long term intravenous injection. The term is derived from the product name "Port-a-cath", which is one of the oldest device. however, there are several deffrent types of similar devices on the market made by different company nowadays.

The subcutaneous implantable infusion system consists of a catheter and a injection port. The port is implanted subcutanously, usually on the infraclavicular area, and can be punctured repeatly several hundred times. The catheter connected to the port was implanted into the venous system all the way to the central vein. The catheter tip was usually placed in SVC or right atrium. Thus the intravenous injection substance (such as drug for chemotherapy) will goes directly to the central vein through the catheter.

In short, it's a deviced implanted in the human body used for long-term and repeated injection of intravenous drug. Usually, it is implanted by vascular surgeon in the operation room via the right cephalic vein or internal jugular vein.