MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO. 530G INSULIN PUMP MMT-551LNAH; ARTIFICIAL PANCREAS DEVICE SYSTEM, THRESHOLD SUSPEND

Model Number	MMT-551LNAH
Medical Device Problem Codes	Premature Discharge of Battery (1057); Device Difficult to Program or Calibrate (1496); Obstruction of Flow (2423)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	08/08/2019
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).Currently it is unknown whether or not the device may have caused or contributed to the event as no product has been returned.The device will be returned for analysis and further information will follow once the analysis has been completed.No conclusion can be drawn at this time.
Event or Problem Description
Customer reported via phone call that act buttons on insulin pump were sticking.Customer¿s blood glucose was 100 mg/dl.Customer also reported that insulin pump alarmed for no delivery during basal or bolus and insulin pump had unexpected restart even after battery change.Customer stated that time clock was advancing while observing for 1 minute.Customer was advised to discontinue use of insulin pump and revert to back up plan.Insulin pump will be returned for analysis.
Additional Manufacturer Narrative
Device received with no (act, up and escape) button response due to corroded keypad traces.No button error alarm during testing noted.Unable to perform all functional testing including the displacement, operating currents, a21 error test, rewind, basic occlusion, occlusion, prime a33 and excessive no delivery test or verify a21 alarm and excessive no delivery anomaly due to buttons not responding.

• Brand Name: 530G INSULIN PUMP MMT-551LNAH
• Common Device Name: ARTIFICIAL PANCREAS DEVICE SYSTEM, THRESHOLD SUSPEND
• Manufacturer (Section D): MEDTRONIC PUERTO RICO OPERATIONS CO.; ceiba norte ind. park #50 road; juncos 00777 -386
• MDR Report Key: 8904727
• Report Number: 2032227-2019-48206
• Device Sequence Number: 19355036
• Product Code: OZO
• UDI-Device Identifier: 00643169933002
• UDI-Public: (01)00643169933002
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 09/11/2019

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Model Number: MMT-551LNAH
• Device Catalogue Number: MMT-551LNAH
• Device Lot Number: A5551LNAHJ
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/27/2019
• Initial Date Received by Manufacturer: 08/08/2019
• Supplement Date Received by Manufacturer: 08/30/2019
• Initial Report FDA Received Date: 08/19/2019
• Supplement Report FDA Received Date: 09/11/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 59 YR
• Patient Weight: 51