The impella device was not received from the customer, therefore, investigation of the device was not possible.Should the device or any new information be received, a supplemental mdr will be filed.Instructions for use for the related event are as follows: ¿evaluate the position of the impella catheter if the automated impella controller displays position alarms or if you observe lower than expected flows or signs of hemolysis.If the catheter does not appear to be correctly positioned, initiate steps to reposition it.¿ this report is being filed as part of a retrospective review of historical records.
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