Retainer ring = black.On 12/14/2021, the customer alleged charge/battery lasts less than expected, unresolved sensor communication issues, and low bgs.The test p-cap locks properly in place in the reservoir compartment noted.Device received with scratched case identified during the visual inspection.Thus was utilized and downloaded trace/history files properly.The power management graph confirmed the unloaded voltage (ul vlith) and loaded voltage (loaded vlith) was within spec range.In further full review in the pump history, these battery related alarms were found: low battery alarm on (b)(6) 2021 at 14:50:00, insert battery alarm on (b)(6) 2021 at 20:26:13.Device passed self test, sleep current measurement, active current measurement and displacement test.No unexpected low battery and insert battery alarms during testing.Device communicated properly with test guardian link transmitter and test sensor.No communication anomalies noted.Device was cut open to perform visual inspection and found¿no evidence of physical or moisture damage on the electronic assembly, motor, or force sensor.In summary, insulin pump passed required testing, thus no confirmed device issues.Unable to confirm alleged low bg's.Customer alleged for charge/battery lasts less than expected was not confirmed.Customer allegation for unresolved sensor communication issues was not confirmed.This mdr related to the puerto rico manufacturing site has been assigned a medwatch number from the medtronic minimed northridge site, per variance 5.Medtronic, inc.(medtronic) is submitting this report to comply with 21 c.F.R.Part 803, the medical device reporting regulation.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information in the time allotted and has provided as much information as is available to the company as of the submission date this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employees caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any "defects" or has "malfunctioned".These words are included in the fda 3500a form and are fixed items for selection created by the fda, to categorize the type of event solely for the purpose of reporting pursuant to part 803.Medtronic objects to the use of these words and others like it because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.
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