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

Model Number	MMT-551NAS
Medical Device Problem Code	Device Difficult to Program or Calibrate (1496)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	12/09/2019
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.No conclusion can be drawn at this time.We therefore consider this report complete to the best of our knowledge.
Event or Problem Description
The customer reported that the insulin pump's buttons were hard to press and need to put too much pressure.The customer¿s blood glucose level was unknown.The customer also reported that the time was advancing.The customer was advised to discontinue the use of insulin pump and revert to backup plan.The device will not 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 due to buttons not responding.(b)(4).

• Brand Name: 530G INSULIN PUMP MMT-551NAS
• 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: 9456619
• Report Number: 2032227-2019-131283
• Device Sequence Number: 2145927
• Product Code: OZO
• UDI-Device Identifier: 00643169736054
• UDI-Public: (01)00643169736054
• Combination Product (Y/N): N
• Initial Reporter State: TX
• 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): 09/15/2020

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-551NAS
• Device Catalogue Number: MMT-551NAS
• Device Lot Number: A6551NASJ
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/19/2020
• Initial Date Received by Manufacturer: 12/09/2019
• Supplement Date Received by Manufacturer: 09/14/2020
• Initial Report FDA Received Date: 12/12/2019
• Supplement Report FDA Received Date: 09/15/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 61 YR
• Patient Weight: 165