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Cobalt HF CRT-D MRI SureScan Adverse Events: FDA MAUDE Data

MEDTRONIC, INC. · CRT-Defibrillator (CRT-D) · First cleared Apr 2020 · 2 device variants grouped

Total Reports

457

Reports (30d)

46

Active Signals

2

Open Recalls

78

Monthly Report Volume

Event Type Breakdown

What the reports describe · Claripulse analysis

Most commonly reported problems

1

System Explanted Due to Infection

defibrillator crt, crt, infection, patient complications, result event

10

reports

2

Inappropriate Therapy for Atrial Tachycardia

crt, patient complications, tachycardia, ventricular tachycardia, result event

4

reports

3

System Explanted Due to Pocket Infection

crt, infection, patient complications, pocket, result event

3

reports

4

Patient Reports Issues Post-Implant

result event, defibrillator crt, cardiac, crt, patient complications

3

reports

5

Premature Battery Depletion

resynchronization, defibrillator crt, battery, crt, therapy defibrillator

3

reports

6

Device Explanted for Unspecified Reason

defibrillator crt, cardiac resynchronization, crt, therapy defibrillator, resynchronization therapy

2

reports

Problem groupings are generated by Claripulse from report narrative text. They summarize what reporters wrote, not adjudicated root cause.

Detection

Active safety signals

ChangepointhighVolume spikehigh

Regulatory

FDA recalls for this device

Class II

Apr 16, 2024 · Open, Classified

Potential for manufacturing defect. Weld crack led to devices failing at the leak check step in manufacturing.

Class II

Apr 16, 2024 · Open, Classified

Potential for manufacturing defect. Weld crack led to devices failing at the leak check step in manufacturing.

Class II

Apr 16, 2024 · Open, Classified

Potential for manufacturing defect. Weld crack led to devices failing at the leak check step in manufacturing.

Class II

Apr 16, 2024 · Open, Classified

Potential for manufacturing defect. Weld crack led to devices failing at the leak check step in manufacturing.

Class II

Apr 16, 2024 · Open, Classified

Potential for manufacturing defect. Weld crack led to devices failing at the leak check step in manufacturing.

Class II

Apr 16, 2024 · Open, Classified

Potential for manufacturing defect. Weld crack led to devices failing at the leak check step in manufacturing.

Evidence

Related research

Impact of magnetic fields from tablets, laptops, smartphones, and household/leisure magnets on cardiac implantable electronic devices.

Kamitani N, et al. · Journal of arrhythmia · 2025

Citations indexed from PubMed.

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Claripulse monitors these devices weekly and detects anomalies using 6 statistical methods — spike, trend, changepoint, peer-outlier, and more. 2 active signals detected right now.

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Understanding this data

What FDA MAUDE data does and does not tell you

How these reports are filed, why raw counts mislead, and the limits to know before drawing conclusions.

How a safety signal is detected

What the "Active Signals" count above means and the methods that separate a real signal from noise.

Disclaimer: This system analyzes publicly available FDA MAUDE data. It does NOT provide medical advice. MAUDE data is de-identified. Do not attempt re-identification. Report counts may differ from the FDA's MAUDE search due to processing cadence and deduplication. Data is updated weekly.