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Open, Classified

Boston Scientific Pacemaker, Implantable Pulse Generator, Pacemaker (non- Cardiac Re-Synchronization Therapy) labeled as: 1. ESSENTIO SR SL, Model Number L100; 2. ESSENTIO DR SL Pacemaker, Model Number L101; 3. ESSENTIO SR SL MRI Pacemaker, Model Number L110; 4. ESSENTIO DR SL MRI Pacemaker, Model Number L111; 5. ESSENTIO DR EL Pacemaker, Model Number L121; 6. ESSENTIO DR EL MRI Pacemaker, Model Number L131; 7. PROPONENT SR SL Pacemaker, Model Number L200; 8. PROPONENT DR SL Pacemaker, Model Number L201; 9. PROPONENT DR (VDD) SL Pacemaker, Model Number L209; 10. PROPONENT SR SL Pacemaker, Model Number L210; 11. PROPONENT DR SL MRI Pacemaker, Model Number L211; 12. PROPONENT DR EL Pacemaker, Model Number L221; 13. PROPONENT DR EL MRI Pacemaker, Model Number L231*; 14. ACCOLADE SR SL Pacemaker, Model Number L300; 15. ACCOLADE DR SL Pacemaker, Model Number L301; 16. ACCOLADE SR SL MRI Pacemaker, Model Number L310; 17. ACCOLADE DR SL MRI Pacemaker, Model Number L311; 18. ACCOLADE DR EL Pacemaker, Model Number L321; 19. ACCOLADE DR EL MRI Pacemaker, Model Number L331*; 20. ALTRUA 2 SR SL Pacemaker, Model Number S701; 21. ALTRUA 2 DR SL Pacemaker, Model Number S702; 22. ALTRUA 2 DR EL Pacemaker, Model Number S722.

FDA Recall Z-1770-2026 · Posted 2026-04-24

Recalling FirmBoston Scientific Corporation
Recall StatusOpen, Classified
Product CodeLWP
Date Initiated2026-03-19
Product Quantity718,456 units

Reason for Recall

Updated software, Brady software maintenance release 6 (SMR6), is now available for the ACCOLADE" family of pacemakers and cardiac resynchronization therapy pacemakers (CRT-Ps)1 and the advisory population is expanding to include all CRT-P and dual-chamber extended life (DR-EL) devices. Dual chamber modes are specifically indicated for treatment of the following: " Conduction disorders that require restoration of AV synchrony, including varying degrees of AV block " VVI intolerance (i.e., pacemaker syndrome) in the presence of persistent sinus rhythm " Low cardiac output or congestive heart failure secondary to bradycardia

Firm Action

Boston Scientific issued an Urgent Medical Device Correction notice to physicians, hospitals, and patients on 3/19/2026 via Federal Express or USPS certified mail. The notice explained the availability of the updated software, Brady Software maintenance release 6 (SMR6) for the ACCOLADE family of pacemakers and cardiac resynchronization therapy pacemakers (CRT-Ps), clinical and device longevity of the update, and recommendations for recommendations on the upgrade. In a separate notice, patients were advised to keep and attend all scheduled medical and device check appointments and talk to their doctor about the best steps for managing their pacemaker system. To confirm if the pacemaker or CRT-P is affected, please visit this website: www.BostonScientific.com/lookup. The language, as well as the model and serial numbers of the device, are required for the lookup which can be found on your patient ID card. Our Product Performance Resource Center at www.bostonscientific.com/ppr, includes information on this topic, a device lookup tool, and instructions for returning explanted products. If you have additional questions, or would like to report on a clinical event, please contact your Boston Scientific representative or Technical Services.

Root Cause

Nonconforming Material/Component

Distribution Pattern

worldwide

Official Source

View FDA Recall →

Source: FDA Enforcement Report / Recall database. Always confirm against the official FDA record.

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