(b)(4).It has been communicated that the device and/or lot information is not available for evaluation.Without the device and/or lot information it is not possible for codman to conduct a proper investigation.If at some point the device and/or lot information does become available, this complaint will be re-opened, evaluated and a follow up report will be filed.Trends will be monitored for this and similar complaints.At the present time this complaint is considered closed.
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The device was implanted via v-p shunt to a (b)(6) patient 2 years ago.The initial pressure setting is unknown.At an x-ray examination 2 years after implantation, the cam of the valve was found dislodged.Although the ventricles of the patient's brain are enlarged, no other symptoms are noted at this point.So the patient is currently being monitored without a revision.According to the surgeon, the patient may have hit the head, resulting in the valve breakage.
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