Recall Ledger

On-X Mitral Heart Valve with Conform-X Sewing Ring recall (On-X Life Technologies, Inc.)

Medical deviceClass IIOngoing

Summary: On-X Life Technologies, Inc. is recalling On-X Mitral Heart Valve with Conform-X Sewing Ring, Model: ONXMC-25/33. Reason: Heart valves were released and distributed before all required testing was complete, so it cannot be confirmed that they meet all release specifications.

What is being recalled

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

Why

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

How serious is it

Class II is the middle level: using or being exposed to this product may cause temporary or medically reversible health problems, and the chance of serious harm is remote.

Where it was sold

International distribution to the country of South Korea.

How to tell if yours is affected

UDI-DI: 00851788001303. Serial Numbers: A2013401, A2013402, A2013403, A2013404, A2013405, A2013407, A2013408, A2013409, A2013410, A2013411. Expiration: 2031Dec17

What to do

Check the model, lot or serial numbers above against your device. If yours is affected, contact the manufacturer or your healthcare provider before you stop using a device you rely on.

Recall facts

Recall numberZ-2133-2026
CategoryMedical device
AgencyU.S. Food and Drug Administration (FDA)
SeverityClass II
StatusOngoing
Recall startedFebruary 1, 2026
ReportedMay 20, 2026
CompanyOn-X Life Technologies, Inc.
Company locationAustin, TX, United States
Initiated byVoluntary: Firm initiated
Quantity10

More recalls from On-X Life Technologies, Inc. · all medical device recalls · recalls from February 2026

Official FDA record