The certas valve was not returned for evaluation (as per customer, product not available) and no lot number information has been provided; therefore, an evaluation of the device could not be performed, and manufacturing records could not be reviewed.The cause(s) of the difficulty reported by the customer could not be determined.If additional relevant information becomes available in the future, this complaint will be reopened, and the respective evaluation performed.Trends will be monitored for this and similar issues.At present, we consider this complaint to be closed.
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A physician reported the certas valve setting indicated 1 or 2 after mri.The valve was implanted to a male patient via v-p shunt on an unknown date with an unknown setting.On (b)(6) 2020, the setting was confirmed by ct image and it indicated setting 6.On (b)(6) 2020, a mri was performed to the patient and setting indicated 1 or 2 after mri siemens(1.5t), with no signs or symptoms.The patient has history of subdural hematoma, setting 1 would be dangerous so the setting was changed to 7 by etk and no patient consequences reported.
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