Device product
SenTiva, REF: 1000; SenTiva Duo, REF: 1000-D; Generators Part of the VNS Therapy System. Used for Vagus Nerve Stimulation (VNS).
Z-1072-2025
Product summary
- Event
- Event 95435
- Status
- Ongoing
- Classification
- Class II
- Quantity
- 81,606
- Official record key
device-enforcement:Z-1072-2025
Official wording
Reason: Vagus nerve stimulator generators may stop delivering stimulation due to an internal, mechanically activated component that may become stuck in a closed position, which may result in patients returning to baseline seizure frequency or depressive symptoms and in the longer term, patients may be required to undergo generator replacement surgery to replace their device.
Code information: REF/UDI-DI: 1000/05425025750405, 1000-D/05425025750528 All Serial Numbers less than 500,000
Distribution pattern: US: AK, AZ, CA, CO, CT, FL, GA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NM, NY, OH, OK, OR, PA, PN, SC, SD, TN, TX, VA, VT, WA, WI, WV, UT. OUS: AE, AR, AT, BE, BG, BR, CA, CL, CO, CR, CZ, DE, DK, GR, HR, IL, IN, IT, JO, KW, LB, MK, NL, OM, PA, PE, PL, QA, RO, RS, SA, SE, SG, SI, TR, TT, UK, ZA.
Derived failure modes
-
Unknown
Vagus nerve stimulator generators may stop delivering stimulation due to an internal, mechanically activated component that may become stuck in a closed position, which may result in patients returning to baseline seizure frequency or depressive symptoms and in the longer term, patients may be required to undergo generator replacement surgery to replace their device.