Additional information: indicates the device is not marketed in us.Correction of item# (b)(4).According to the provided information, it came to a revision surgery due to a squeaking noise.During the revision surgery, a fracture of the insert was detected.The ceramic insert is fractured.The device history records of the involved components mentioned above has been checked and found to be according to the specification, valid at the time of production.The density of the insert was analyzed and found to be complying with the delivery specification for the components.The microstructure as obtained from the quality documents of both parts accomplishes the requirements as specified at the time of production, too.There are no indications of any pre-existing material defects.There is no indication for a material defect or manufacturing error, there fore we assume most likely a patient (e.G.Overload) or a using related (e.G.Implantation situation) error.A capa is not necessary.
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