Retainer ring = black customer complained about having possible under delivery anomaly/failed battery test alarm on the pump on (b)(6) 2021.The thus/carelink download was successful.Daily total screen showed 13.7u was delivered on (b)(6) 2021.The power management graph confirmed the unloaded voltage and loaded voltage was within specification range.No unexpected pump error 25, low battery alert, battery power loss alarm, replace battery alert, replace battery now alarm or failed battery test alarm noted in the pump trace download.Device passed functional testing including the self test, sleep current measurement, active current measurement, rewind test, prime/seating test, basic occlusion test, occlusion test, force sensor test and displacement test.The dat test at 0.08730 inches.No unexpected possible under delivery anomaly or failed battery test alarm noted during testing.No cosmetic damage noted and the p-cap locks properly into place.Device was cut opened, inspected and tested.No physical damage or moisture damage found on the electronic assembly, motor assembly, force sensor and battery tube.Motor passed the motor test outside of the device.In conclusion, possible under delivery anomaly an failed battery test alarm 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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