| Model Number |
1999/40 |
| Medical Device Problem Codes |
Break (1069); Difficult to Fold, Unfold or Collapse (1254); High impedance (1291); Capturing Problem (2891)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
08/03/2023
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Type of Reportable Event
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Malfunction
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Event or Problem Description
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It was reported that the patient presented for a scheduled procedure.During the implant it was noted that the right atrial lead exhibited high capture threshold and high impedance.The physician decided to reposition the lead; however, the helix would not extend.It was suspected that the lead was broken causing the impedance to rise and helix not to extend.The lead was not used, and a new lead was implanted.The patient was in stable condition post-procedure.
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Additional Manufacturer Narrative
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A complete lead was returned in one piece with the helix found retracted and clogged with dried blood/tissue.The reported event of helix mechanism issue was confirmed.The cause of the reported event was isolated to the helix being clogged with blood/tissue.The reported events of high capture threshold, high pacing impedance and ¿lead broke¿ were not confirmed.Electrical testing did not find any indication of conductor fractures or internal shorts.Visual and x-ray examination of the helix mechanism found no anomalies.
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Search Alerts/Recalls
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