Capsure®SP Novus 559453Recalls & reported problems
Medtronic, Inc. · LEAD 559453 FPA BI SIL ATR STER US · Class 3 · Implant
All models of CapSureSP Novus (14)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
Quick summary
This Medtronic Capsure SP Novus atrial lead is implanted under the skin to sense and pace the heart's upper chamber. The 48 reports mostly describe the lead picking up signals poorly or too much, needing higher energy to deliver a pulse, or breaking; 15 reports involved an injury and none involved a death. Some leads were capped and replaced. No recalls name this device.
AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.
- Adverse event reports
- 48
- Deaths reported
- 0
- Injuries reported
- 15
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 48 adverse event reports that list this exact device (DI 00613994250223), received between Jun 9, 2016 and Jul 28, 2026 — classified as 15 injuries, 33 malfunctions.
The most frequently reported specific device problem is “Under-Sensing” (24 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Under-Sensing24
- High Capture Threshold6
- Pacing Problem6
- Adverse Event Without Identified Device or Use Problem5
- Over-Sensing5
- Fracture3
- Low impedance3
- Signal Artifact/Noise3
Patient problems
- No Clinical Signs, Symptoms or Conditions25
- No Known Impact Or Consequence To Patient14
- Unspecified Infection5
- Arrhythmia1
- Atrial Fibrillation1
- Chest Pain1
- Discomfort1
- Dizziness1
Recent adverse event reports
The 25 most recent of 48 reports, in the reporter's own words as published by the FDA.
MalfunctionJul 28, 2026High Capture Threshold
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50059119 ↗MalfunctionMar 13, 2026Pacing Problem; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDERSENSING DURING ATRIAL TACHYCARDIA/ATRIAL FIBRILLATION (AT/AF) EVENTS RESULTING IN UNNECESSARY PACING AND FALSE TERMINATION. THE LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24592569 ↗MalfunctionNov 6, 2025Over-Sensing; Pacing Problem; Over-Sensing; Pacing Problem
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED FAR FIELD R-WAVE (FFRW) OVERSENSING WHICH POSSIBLY RESULTED IN INAPPROPRIATE ATRIAL PACING. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23486868 ↗InjuryOct 15, 2025Signal Artifact/Noise; Signal Artifact/Noise
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED NOISE. THE RA LEAD WAS CAPPED AND REPLACED. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23298593 ↗MalfunctionJun 25, 2025Pacing Problem; Under-Sensing; Pacing Problem; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD DISPLAYED UNDERSENSING AND/OR BEATS DURING BLANKING AND SUBSEQUENT INAPPROPRIATE ATRIAL PACING. THE LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22329497 ↗MalfunctionJun 7, 2025High Capture Threshold; High Capture Threshold
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD DISPLAYED HIGH THRESHOLDS. THE LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22162312 ↗MalfunctionMay 30, 2025Under-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDERSENSING DURING ATRIAL TACHYCARDIA/ATRIAL FIBRILLATION (AT/AF) AND THE PATIENT ACTIVATED THEIR SYMPTOM LOG. THE RA LEAD REMAINS IN USE. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: Atrial Fibrillation
MAUDE report 22117807 ↗InjuryMay 20, 2025Signal Artifact/Noise; Fracture; Over-Sensing; Capturing Problem; Signal Artifact/Noise; Fracture; Over-Sensing; Capturing Problem
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD HAD A LOW VOLTAGE FRACTURE. THE LEAD EXHIBITED RISING THRESHOLDS, NOISE, OVERSENSING CAUSING MODE SWITCHING. THE LEAD WAS CAPPED AND REPLACED. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22050621 ↗MalfunctionJan 30, 2025Pacing Problem; Under-Sensing; Pacing Problem; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD APPEARED TO BE UNDER SENSING ON STORED ELECTROGRAMS (EGM), RESULTING IN FALSE TERMINATION OF ATRIAL TACHYCARDIA/ATRIAL FIBRILLATION (AF) DETECTION AND INAPPROPRIATE ATRIAL PACING. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 21271776 ↗MalfunctionDec 26, 2024Over-Sensing; Over-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED FAR FIELD R-WAVE (FFRW) OVERSENSING NOTED ON STORED ELECTROGRAMS (EGM). SOME EVENTS DID NOT APPEAR TO BE TRUE ATRIAL TACHYCARDIA/ATRIAL FIBRILLATION (AT/AF) EVENTS. THE LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 21021017 ↗InjuryOct 14, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) SYSTEM WAS EXPLANTED AND REPLACED DUE TO A POCKET INFECTION AND EROSION RESULTING IN REDNESS AND DISCOMFORT. INTRAVENOUS ANTIBIOTICS WERE ADMINISTERED. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: Discomfort; Erythema; Pocket Erosion; Unspecified Infection
MAUDE report 20447031 ↗InjuryJul 22, 2024Break; Electrical /Electronic Property Problem; Low impedance; Break; Electrical /Electronic Property Problem; Low impedance
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED LOW UNIPOLAR AND BIPOLAR IMPEDANCE. IT WAS ALSO REPORTED THAT THE RA LEAD EXHIBITED AN INSULATION BREACH. THE RA LEAD ALSO FAILED A POSITION CHECK. THE RA LEAD WAS REPROGRAMMED OFF AND REMAINS IN THE PATIENT. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 19792326 ↗MalfunctionJun 18, 2024Under-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDER-SENSING TRIGGERING DEVICE CLASSIFIED FALSE TERMINATION OF ATRIAL TAC HYCARDIA/ATRIAL FIBRILLATION (AT/AF) EVENTS AT TIMES. THE LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 19556625 ↗MalfunctionFeb 13, 2024High Capture Threshold; High Capture Threshold
IT WAS REPORTED THAT THE IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) WITHHELD THERAPY FOR VENTRICULAR TACHYCARDIA (VT) THAT WAS DETECTED BY THE DEVICE AS AN SUPRA VENTRICULAR TACHYCARDIA (SVT) EPISODE. THE RIGHT ATRIAL (RA) LEAD EXHIBITED HIGH THRESHOLD. THE DEVICE AND LEAD REMAINS IN USE. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 18700009 ↗InjuryOct 24, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE PATIENT DEVELOPED A POCKET INFECTION. THE CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR (CRT-D) SYSTEM WAS EXPLANTED AND REPLACED. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: Unspecified Infection
MAUDE report 17997430 ↗MalfunctionSep 15, 2023Under-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDERSENSING WHICH MAY BE CAUSING DEVICE CLASSIFIED FALSE TERMINATION OF ATRIAL TACHYCARDIA/ATRIAL FIBRILLATION (AT/AF) EPISODES. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 17753705 ↗MalfunctionMay 2, 2023High Capture Threshold; High Capture Threshold
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED HIGH THRESHOLDS. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16852432 ↗MalfunctionFeb 16, 2023Over-Sensing; Under-Sensing; Over-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDERSENSING. IT WAS ALSO REPORTED THAT THE RA LEAD EXHIBITED FAR FIELD R-WAVE OVERSENSING. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16389494 ↗InjuryJan 20, 2023Fracture; Low impedance; High Capture Threshold; Fracture; Low impedance; High Capture Threshold
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED LOW IMPEDANCE AND HIGH THRESHOLDS DURING PRE OPERATION TESTING FOR A PACEMAKER BATTERY CHANGE. IT WAS ALSO REPORTED THAT THE LEAD EXHIBITED A CONFIRMED FRACTURE. THE RA LEAD WAS CAPPED AND REPLACED. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16213729 ↗MalfunctionSep 8, 2022Under-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDERSENSING. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15379534 ↗MalfunctionAug 2, 2022Under-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED INTERMITTENT UNDERSENSING ON CURRENT AND STORED ELECTROGRAMS (EGM). THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15147450 ↗InjuryJun 23, 2022Signal Artifact/Noise; Signal Artifact/Noise
IT WAS REPORTED THAT THE PATIENT EXPERIENCED SYNCOPE AND THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED UNDEFINED HIGH IMPEDANCE, POLARITY SWITCH AND OVERSENSING RESULTING IN INHIBITION OF PACING. IT WAS ALSO REPORTED THAT NOISE WAS NOTED ON THE RIGHT ATRIAL (RA) LEAD DURING DEVICE INTERROGATION. THE LEADS WERE EXPLANTED AND REPLACED WITH A SINGLE CHAMBER PACING SYSTEM. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 14794833 ↗MalfunctionJun 14, 2022Under-Sensing; Under-Sensing
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD EXHIBITED UNDERSENSING DURING ATRIAL TACHYCARDIA/ATRIAL FIBRILLATION (AT/AF) EPISODES. THE RA LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 14683673 ↗InjuryJun 8, 2022High impedance; High impedance
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD DISPLAYED HIGH IMPEDANCE. THE RA LEAD WAS EXPLANTED AND REPLACED. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 14630653 ↗MalfunctionMay 9, 2022High Capture Threshold; High Capture Threshold
IT WAS REPORTED THAT THE RIGHT ATRIAL (RA) LEAD THRESHOLD IS ELEVATED. THE LEAD REMAINS IN USE. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 14338065 ↗
Other Permanent defibrillator electrodes devices
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- Sprint Quattro Secure S MRI™ SureScan™ 6935M62Medtronic, Inc. · Permanent defibrillator electrodes221 deaths14,405 reports
- Capsurefix® Novus 5076-52Medtronic, Inc. · Permanent defibrillator electrodes111 deaths9,860 reports
- CapSureFix Novus MRI™ SureScan® 5076-52Medtronic, Inc. · Permanent defibrillator electrodes80 deaths8,280 reports
- Sprint Quattro Secure S MRI™ SureScan™ 6935M55Medtronic, Inc. · Permanent defibrillator electrodes116 deaths7,750 reports
- Durata™ 7122Q-58St. Jude Medical, Inc. · Permanent defibrillator electrodes151 deaths6,202 reports
- Durata™ 7122Q-65St. Jude Medical, Inc. · Permanent defibrillator electrodes86 deaths4,773 reports
- Capsurefix® Novus 5076-58Medtronic, Inc. · Permanent defibrillator electrodes47 deaths4,587 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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