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The end label on the outer box was mislabeled on 9 of a 10 unit lot. The end label says ''22 mm'' and the implants are actually ''20 mm''. The main label on the cardboard box applied by the contract packager is correct in identifying the product as ''20 mm''.
In the cardiac measurement section of the device the calculation of the 'PG Mean' (mean pressure gradient) leads to an erroneous result. It is recommended that customers with affected units do not use the measurement in question 'PG Mean' for any diagnostic or therapeutic decision, and 'PG Mean' values should not be included in any patient documentation.