Flow diverter | Pipeline (PED) | Pipeline Flex | Pipeline Shield | Surpass | Silk | Silk+ | Silk Vista Baby | FRED | FRED Jr. | p64 | Derivo | Tubridge | FloWise |
CE (Europe) approval | 2008 | 2014 | 2015 | 2011 | 2008 | 2012 | 2018 | 2012 | 2015 | 2012 | 2013 | Not reported | Not reported |
FDA approval | 2011 | 2015 | N/A | 2018 | N/A | N/A | N/A | 2019 | 2019 | N/A | N/A | N/A | N/A |
Material | 25% platinum-tungsten; 75% cobalt-chromium | 25% platinum-tungsten; 75% cobalt-chromium | 25% platinum-tungsten; 75% cobalt-chromium-nickel alloy | Cobalt-chromium | 92% Nitinol; 8% Platinum | Nitinol, platinum | Nitinol, platinum | Nitinol | Nitinol, tantalum | Nitinol | Nitinol | Nitinol, patinum-iridium | Nitinol, platinum |
Number of braids | 48 | 48 | 48 | 48-96 | 48 | 48 | 48 | 64 | 52 | 64 | 48 | 64 | 48 |
Generation | First | Second | Third | First | First | Second | Third | First | Second | First | First | First | First |
Delivery system | Empty catheter via 0.027-inch microcatheter | Empty catheter via 0.027-inch microcatheter | Empty catheter via 0.027-inch microcatheter | Preloaded over-the-wire delivery system with a 0.040″ inner diameter delivery micocatheter and pusher | Empty catheter via 0.021, 0.023- or 0.025-inch microcatheter | Empty catheter via 0.021-, 0.023- or 0.025-inch microcatheter | Empty catheter via 0.017-inch microcatheter | Empty catheter via 0.027-inch microcatheter | Empty catheter via 0.021-inch microcatheter | Empty catheter via 0.027-inch microcatheter | Empty catheter via 0.027-inch microcatheter | Empty catheter via 0.029-inch microcatheter | Empty catheter via 0.027-inch microcatheter |
Resheath feature | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Occlusion rate | 81.8-93.3% at 6 months | 77% at 12 mo | 78.8-90.3% 6-18 mo | 62-94% 6-12 mo | 68% at 6 mo, up to 93.9% at 12 mo | 73% (mean 22 mo) | 63% (mean 2.7 mo) | 73% 6 mo, up to 96% 12-24 mo | 87% (6-24 mo) | 66% at 6 mo; up to 98.5% at 24 mo | 80.7% at 6 mo; 89.2% at 12 mo | 75.34% at 6 mo | 66.7% at 6 mo |
FDA, Food and Drug Administration; FRED, Flow-Redirection Endoluminal Device; N/A, not applicable; PED, Pipeline Embolization Device.