LAD – D1 Tips and tricks implanting the Tryton Side Branch Stent. Prior to use, please refer to the complete “Instructions for Use” packaged with each stent system for more information on Indications, Contraindications, Warnings, Precautions, Adverse Events, and Clinical Procedure instructions The Tryton Side Branch Stent System is available for sale in Europe. Investigational in the US and not approved in Japan.