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Software has anomalies that have the potential to cause underdose, overdose, or delay in therapy which could lead to serious patient harm or death.
Upon initial activation of the seal function, the POWERSEAL non-conformance results in an immediate Incomplete Seal Cycle tone with the accompanying message on the generator screen, and no energy would be delivered to the device resulting in delay in surgery.
The packaging of these affected UHMWPE humeral liners and glenoids are nonconforming as they do not meet the established packaging specification. They were packaged in vacuum bags that did not contain an additional oxygen barrier layer consisting of Ethylene Vinyl Alcohol (EVOH).