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This system analyzes publicly available FDA MAUDE data. It does NOT provide medical advice. MAUDE data is de-identified — do not attempt re-identification. © 2026 Claripulse.

Back to Electrophysiology: Ablation
MAUDE LookupElectrophysiology: AblationQDOT MICRO

QDOT MICRO Adverse Events: FDA MAUDE Data

Biosense Webster Inc · Cardiac Ablation Catheter for Atrial Flutter

Total Reports

933

Reports (30d)

24

Active Signals

1

Open Recalls

1

Monthly Report Volume
Event Type Breakdown

What the reports describe · Claripulse analysis

Most commonly reported problems

1

High Force Reading with Pericardial Effusion

micro, qdot micro, pericardial, effusion, qdot

57

reports

2

Electrode Noise During Ablation Procedure

observed, left, ablation procedure, completed, mapping

1

reports

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

Detection

Active safety signals

Disproportionate reportinghigh

Regulatory

FDA recalls for this device

Class II

Sep 7, 2022 · Open, Classified

Manufacturing error resulted in potential contamination of Bi-Directional navigation catheter irrigation path with cellulose fibers that can cause 1) Failure of initial flushing inspection, 2) Insufficient irrigation causing catheter tip temperature increase, limiting the ability to deliver ablation, or 3) particles flushed through the catheter irrigation may have thrombogenic/toxic effect.

Evidence

Related research

Citations indexed from PubMed.

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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.

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How a safety signal is detected

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

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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.