Reported May 20, 2026 · Ongoing

On-X Mitral Heart Valve with Conform-X Sewing Ring, Model: ONXMC-25/33

On-X Life Technologies, Inc.

Moderate riskThis product could cause temporary or reversible health problems — stop using it.

What you should do

Stop using the affected lot and contact the recalling firm for the return or refund process. Check the FDA enforcement report for lot-level detail.

Firm contact: On-X Life Technologies, Inc. · 1300 E Anderson Ln Ste B · Austin, TX · 78752-1739

Is this the product you have?

  • On-X Mitral Heart Valve with Conform-X Sewing Ring
  • ModelONXMC-25/33
Lot codes and dates
  • UDI-DI00851788001303
  • Serial Numbers
    • A2013401
    • A2013402
    • A2013403
    • A2013404
    • A2013405
    • A2013407
    • A2013408
    • A2013409
    • A2013410
    • A2013411
  • Expiration2031Dec17
Amount recalled
10

Why it was recalled

Heart valves were released and distributed before all required testing was complete, so it cannot be confirmed that they meet all release specifications.

This product could cause temporary or reversible health problems — stop using it.

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Where this came from

Source: U.S. Food & Drug Administration (openFDA)

Read the FDA (openFDA device enforcement) notice

Data as of Sep 19, 6:17 PM UTC

RecallNow is not a government agency. Every fact on this page is published by the FDA, USDA or CPSC and links back to their notice.