Warning letter

Neurotris, Inc. dba A1 Engineering: warning letter of Oct 27, 2023

FDA warning letter 659244 · Center for Devices and Radiological Health

Key facts

Reference number 659244
Company Neurotris, Inc. dba A1 Engineering
Subject Medical Device/Adulterated/Misbranded/Lacks PMA and/or 510(k)
Issue date Oct 27, 2023
Posted date Nov 7, 2023
Issuing office Center for Devices and Radiological Health
Product type Devices
CFR sections cited 890.5525, 807.81(b)(1), 820, 882.1275, 882.1320, 807.81(a), 882.5890, 890.5850
Inspection city Irvine
Inspection ZIP 92618
Inspection start date Apr 4, 2023
Letter on fda.gov fda.gov

At a glance

  • 1–9 CFR sections cited
  • OAI Linked inspection classification
  • Yes Form FDA 483 issued

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About FDA warning letters

FDA warning letters notify a firm of significant regulatory violations found during an inspection or review and request prompt corrective action.

Source: U.S. Food and Drug Administration (FDA), Warning Letters · Source date:

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