The device was in use for treatment.The device was returned to medtronic for a functionality test; their analysis found the extension cable to be broken, and the pacemaker to work as per specification.Since the lot number of the extension cable was not provided, a review of the device history record could not be performed.Review of the atar cable inspection procedure identified that inspection of the following is done per 100 percent: each strand of the cable is checked for the correct colored part, cable is measured and verified for overall length, cable is checked for damage and insulation voids, the inspector verifies that the silicone strain relief extends at least for a length of 2 cm outside the female connector, the silicone strain relief is checked so that it fits the wire snugly, strain relieves are checked for damage and gaps, and pull test to verify strength of soldered joint.The cable is also 100 percent inspected for continuity and for proper connector function.The instructions for use (ifu) informs the user that the cable can be re-sterilized by oscor eto gas sterilization a maximum of two times.Precautions are provided to the user: do not connect any cable model to a/c power source; connection of exposed pins to a/c power source may pose a risk of serious injury or death.
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The customer reported that after interrogation of the pacemaker, the patient went in complete av block and started to convulse as the device stopped pacing.External cardiac massage was immediately started and the patient was brought to the catheterization lab.A temporary pacing lead was implanted and connected to the external pacer and extension cable.Following connection of the external pacer and extension cable to the temporary pacing lead, no pacing occured.The pacing lead was then connected to another external pacer brand and it functioned.
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