On (b)(6) 2023, a patient called the impulse dynamics (id) technical support hotline to report that, according to the device charger, their implantable pulse generator (ipg) had gone into down mode for the third time in three weeks.When the patient's ipg was interrogated by an id field representative, the device produced a "down_temperature_integrity" error, the same error that the device had produced in the previous two instances.The patient's ipg was reset on december 29 and the ability of the device to deliver ccm therapy was restored.However, the patient informed the id field representative the next day (december 30) that the ipg had again gone into down mode and showed an error code on the charger.The patient's ipg was again interrogated on (b)(6) 2024, which yielded another "down_ tempera ture_integrity'' error.After interrogation, the ipg was again reset and ccm therapy was resumed.On january 8, the patient again called the id technical support hotline to report their ipg had yet again entered down mode and showed an error code on the charger.On january 11, the patient's ipg was interrogated again, which produced another "down_temperature_integrity" error, and reset.Since this latest event, the patient's ipg has delivered ccm therapy without interruption.
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