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AI-Enabled TruDi Navigation System Was Alleged to Have Contributed to Patient's Stroke During May 2023 Sinuplasty

AI Incident Database · article · Feb 9, 2026 · UTC

Patient Donna Fernihough allegedly suffered carotid-artery damage and a same-day stroke during a May 19, 2023 balloon sinuplasty in Texas in which surgeon Marc Dean reportedly used Acclarent's AI-enabled TruDi Navigation System. Her lawsuit alleged the system's AI-assisted navigation contributed to unsafe guidance during the procedure; Acclarent and Integra LifeSciences, which later acquired Acclarent, denied evidence linking TruDi's AI to the injuries.

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recordType
incident-report
evidenceStatus
reported
region
Global

Reported occurrence date: 2023-05-19T00:00:00.000Z

Evidence & attribution

AI Incident Database, Responsible AI Collaborative; McGregor (2021), Preventing Repeated Real World AI Failures by Cataloging Incidents. Incident-specific contributor credits are available at each citation link. Metadata adapted; article text excluded.

License: CC BY-SA 4.0

First collected: 2026-09-19T22:50:59.123Z. This is not the publication date.

Observed changes

AIIC observation times, not verified publisher revision times. Up to eight recent revisions.

2026-09-20T23:22:28.549Z

  • publishedAt: Not provided2026-02-09T00:00:00.000Z