Model Number V173 |
Device Problem
Inappropriate or Unexpected Reset (2959)
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Patient Problems
No Consequences Or Impact To Patient (2199); No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 01/09/2019 |
Event Type
Injury
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Event Description
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It was reported that this cardiac resynchronization therapy pacemaker (crt-p) experienced a reset and went into safety core.The cause of the reset was unknown.Subsequently, a revision procedure occurred and the crt-p was explanted and replaced.No additional adverse patient effects were reported.
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Event Description
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This supplemental report is being filed as the device evaluation was completed.
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Manufacturer Narrative
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Upon receipt at our post market quality assurance laboratory, this device was thoroughly inspected and analyzed.Interrogation of the device confirmed it was operating in safety mode and that brady therapy remained available.Review of device memory identified an error.The error resulted in software resets performed in an attempt to correct an identified memory inconsistency.The corrupted memory was corrected in the laboratory and the device reverted to normal operation.The cause of the memory inconsistency was not able to be determined through laboratory testing.
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Manufacturer Narrative
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Upon receipt at our post market quality assurance laboratory, this device was thoroughly inspected and analyzed.Interrogation of the device confirmed it was operating in safety mode and that brady therapy remained available.Review of device memory identified an error.The error resulted in software resets performed in an attempt to correct an identified memory inconsistency.The corrupted memory was corrected in the laboratory and the device reverted to normal operation.The cause of the memory inconsistency was not able to be determined through laboratory testing.The battery was sent for analysis after the initial analysis was completed.The device case was removed to facilitate inspection of the internal components and further testing.The battery was removed from the device and replaced with an external power source.The current drain was measured and found to be normal.Detailed analysis of the battery identified an internal short, which was caused by a tear in the cathode insulating tube.The short resulted in the reported clinical observations.
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Event Description
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It was reported that this cardiac resynchronization therapy pacemaker (crt-p) experienced a reset and went into safety core.The cause of the reset was unknown.Subsequently, a revision procedure occurred and the crt-p was explanted and replaced.No additional adverse patient effects were reported.
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Search Alerts/Recalls
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