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

Model Number	MMT-551LNAL
Medical Device Problem Codes	Display or Visual Feedback Problem (1184); Mechanical Problem (1384); Insufficient Flow or Under Infusion (2182)
Health Effect - Clinical Code	Hyperglycemia (1905)
Date of Event	04/27/2020
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
Information received by medtronic the user alleged the insulin pump was under delivering insulin.Customer was delivering a bolus but their blood glucose did not come down.The user experienced high blood glucose which was treated with the insulin pump and sometimes they had to change the set to resolve the issue.The customer also reported that the rewinds were louder and slower.The backlight was dimmer.The drive support cap was normal.No harm requiring medical intervention was reported.The insulin pump will be returned for analysis and the reservoir will not be returned for analysis.
Additional Manufacturer Narrative
Device passed the functional test, including the displacement test, rewind test, basic occlusion test, occlusion test, prime or a33 test, excessive no delivery test and delivery accuracy test at 0.08745 inches.No under delivery anomaly or over delivery anomaly noted.The stop (idle) current and run current measurement tests are within specification.Device also passed self test, off no power alarm test and a21 error test.Device also passed back light check.No back light anomaly noted during testing.No rewind anomaly, drive or motor anomaly or motor noise anomaly noted during testing.The motor was tested outside of the device and passed.Device uploaded properly using carelink.Device had a stained end cap sticker.The test p-cap and reservoir does lock in place in the reservoir compartment.(b)(4).

• Brand Name: 530G INSULIN PUMP MMT-551LNAL
• 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: 10348720
• Report Number: 2032227-2020-155525
• Device Sequence Number: 16800420
• Product Code: OZO
• UDI-Device Identifier: 00643169507715
• UDI-Public: (01)00643169507715
• Combination Product (Y/N): N
• Initial Reporter State: IN
• 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): 09/20/2020

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-551LNAL
• Device Catalogue Number: MMT-551LNAL
• Device Lot Number: A4551LNALJ
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/14/2020
• Initial Date Received by Manufacturer: 07/27/2020
• Supplement Date Received by Manufacturer: 09/18/2020
• Initial Report FDA Received Date: 07/31/2020
• Supplement Report FDA Received Date: 09/21/2020
• 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: 84