Retainer ring = black.Customer returned insulin pump for an alleged possible over delivery and ems dispatched for low blood glucoses found on (b)(6) 2021.Device passed the functional tests, including the self test, sleep current measurement, active current measurement, rewind test, prime/seating test, basic occlusion test, occlusion test, force sensor test, displacement test and delivery accuracy test at 0.08695 inches.Successfully downloaded history files and traces using thus.Successfully uploaded pump to carelink.In further full review of the pump history/traces on the event date on (b)(6)2021, there is no unexpected alarms/suspends and found bolus wizard deliveries of daily total of bolus insulin delivered = 11.5 u bolus.On (b)(6) 2021 08:49:58.000.Normal bolus delivered normal bolus amount programmed = 1.3 bolus amount delivered = 1.3 on (b)(6) 2021 11:27:02.000.Normal bolus delivered normal bolus amount programmed = 1.4 bolus amount delivered = 1.4 on (b)(6) 2021 12:19:02.000.Dual bolus part delivered normal bolus amount programmed = 1 square bolus amount programmed = 1.1 bolus amount delivered = 1.On (b)(6) 2021 12:49:00.000.Dual bolus part delivered normal bolus amount programmed = 1 square bolus amount programmed = 1.1 bolus amount delivered = 1.1.On (b)(6) 2021 17:00:10.000.Normal bolus delivered, normal bolus amount programmed = 1.8.Bolus amount delivered = 1.8 on (b)(6) 2021 18:07:16.000 normal bolus delivered normal bolus amount programmed = 1.5 bolus amount delivered = 1.5 on (b)(6) 2021 18:47:08.000.Normal bolus delivered normal bolus amount programmed = 0.7 bolus amount delivered = 0.7 on (b)(6) 2021 19:42:36.000.Normal bolus delivered normal bolus amount programmed = 2.3 bolus amount delivered = 2.3 on (b)(6) 2021 23:05:38.000 normal bolus delivered normal bolus amount programmed = 0.4 bolus amount delivered = 0.4.Device was programmed with multiple bolus deliveries and all bolus delivered properly their indicated amounts (at quick bolus speed) and were properly recorded in the daily history.No bolus delivery anomaly or history anomaly noted.No under delivery anomaly or over delivery anomaly noted during testing.Test p-cap and reservoir locked properly into reservoir compartment during testing.The following were noted during visual inspection: a scratched case.Device passed all the required testing.Unable to verify customer alleged for low blood glucoses.Customer alleged for possible over delivery was not confirmed.(b)(4).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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