Figure 2. Nano-crush bench test. A) The main branch balloon is inflated at nominal pressure and the side branch stent is pulled to the inflated balloon. B) First kissing balloon inflation with the side branch stent balloon (pulled inside the main branch) and main branch balloon carried out at 14-16 atm. C) The main branch stent is placed and deployed at nominal pressure. D) Final kissing balloon inflation is performed. E) Final result showing minimally crushed stent.