AIGIS Rx Antibacterial Envelope (image) Kureczka/Martin Associates Caption AIGISRx® Antibacterial Envelope is indicated for holding a pacemaker or implantable cardioverter-defibrillator, thereby creating a stable environment surrounding the device and leads after surgical placement. The biocompatible mesh is coated with antibiotics that elute (dissolve) within a 7 to 10 day period. Credit TYRX, Inc. Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.