Model Number V173 |
Device Problems
Pocket Stimulation (1463); Incorrect, Inadequate or Imprecise Result or Readings (1535)
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Patient Problems
Muscle Stimulation (1412); Device Overstimulation of Tissue (1991); No Code Available (3191)
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Event Date 09/26/2017 |
Event Type
Injury
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Manufacturer Narrative
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It was noted that the device was not available for return.If information is provided in the future, a supplemental report will be issued.
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Event Description
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It was reported that this cardiac resynchronization therapy pacemaker (crt-p) was found to be operating in safety mode.It was noted that this patient had experienced intermittent muscle stimulation for several years prior to this.The device was subsequently explanted and replaced.No additional adverse patient effects were reported.
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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 due to system resets.It was confirmed that brady therapy remained available.The system resets occurred during a telemetry session and caused the device to enter safety mode.Engineers determined that this device was demonstrating behavior consistent with a high internal cell impedance within the battery.The high internal impedance resulted in the system resets due to temporary high-power consumption related to telemetry attempts and subsequent reversion to safety mode operation.Boston scientific has issued a field safety notice regarding ingenio extended life (el) and cardiac resynchronization therapy pacemaker (crt-p) devices that may exhibit this behavior.This particular device is included in the high impedance in ingenio extended life (el) pacemaker and crt-p advisory population.It was noted that the device was not available for return.If information is provided in the future, a supplemental report will be issued.
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Event Description
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It was reported that this cardiac resynchronization therapy pacemaker (crt-p) was found to be operating in safety mode.It was noted that this patient had experienced intermittent muscle stimulation for several years prior to this.The device was subsequently explanted and replaced.No additional adverse patient effects were reported.
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Search Alerts/Recalls
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