Fortify ICD has the smallest footprint and the highest delivered energy of any ICD available. The device and its extensive feature set were designed for safety and reliability with extended longevities of 8.9 years* (DR) and 10.1 years* (VR).
1 St. Jude Medical Merlin™ Patient Care System (PCS) Bradycardia and Tachycardia Devices Help Manual.
Only St. Jude Medical has the highest stored and delivered energy (45 J stored; 40 J delivered) to provide greater assurance of successful defibrillation.

*2.5V, 0.5ms, 500ohms, 60ppm, 25% pacing, 3 shocks/yr, implanted after 12 month shelf-life