1. The device (PTMATM, Viacor, Inc., Wilmington, MA, USA) consists of a multilumen PTFE (Teflon) PTMA catheter in which nitinol (nickel-titanium alloy) treatment rods are advanced.

Das System (PTMATM, Viacor, Inc. Wilmington, MA, USA) besteht aus einem Multilumen- PTFE-(Teflon-)PTMA-Katheter, in den Nitinolstäbe (Nickel-Titan-Legierung) zur Therapie eingebracht werden.