MAUDE Adverse Event Report: ABBOTT DIABETES CARE INC FREESTYLE LIBRE; FLASH GLUCOSE MONITORING SYSTEM

Model Number	71938-01
Medical Device Problem Codes	Premature Discharge of Battery (1057); Unable to Obtain Readings (1516)
Health Effect - Clinical Codes	Hyperglycemia (1905); Loss of consciousness (2418)
Date of Event	05/02/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
A battery/power issue was reported with the abbott diabetes care (adc) device.The customer was unable to obtain glucose readings due to a fast-draining battery.As a result, the customer experienced a loss of consciousness due to hyperglycemia.The customer contacted a healthcare professional (hcp), who measured the customer's blood glucose with a result of 400 mg/dl for a diagnosis of hyperglycemia on (b)(6) 2025 and underwent surgery on (b)(6) 2025.There was no report of death or permanent impairment associated with this event.
Additional Manufacturer Narrative
The product has been requested back for investigation and the customer agreed to return the device; however, at this time product has not yet been received.An investigation has been performed for the reported complaint and there was no indication that the product did not meet specification.The dhrs (device history review) for the freestyle libre reader were reviewed and the dhrs showed the freestyle libre reader passed all tests prior to release and correct cable and adapter was part of the kit pack and there was no indication that the product did not meet specifications.The most probable root causes associated with this failure mode are disconnected, faulty or damaged components, software/data corruption, or misuse.However, mitigations are in place to reduce and prevent such issues.All vital manufacturing steps are validated, monitored, and verified during manufacturing to ensure the system is in conformance with the verified design.All vital functions are monitored by the system and, when necessary, function is suspended to safeguard against inaccurate results.Labeling is provided to instruct the user on the intended use of all vital parts of the system to minimize misuse.All complaints and complaint trends are investigated to determine if there is a product defect/ deficiency.If a product defect/ deficiency is identified, a risk evaluation is completed and compared to the risk management report, to ensure the risk profile has not changed.Additionally, as a part of abbott¿s post-market surveillance process, all risk evaluations with associated complaint data are reviewed annually to determine if the risk profiles have changed as compared to the product risk management reports.These monitoring processes ensure that all product risk profiles remain acceptable and have a positive benefit/ risk ratio.If product is returned, a physical investigation will be performed per adc's established processes and procedures and a report will be submitted upon completion of investigation.All pertinent information available to abbott diabetes care has been submitted.

• Brand Name: FREESTYLE LIBRE
• Common Device Name: FLASH GLUCOSE MONITORING SYSTEM
• Manufacturer (Section D): ABBOTT DIABETES CARE INC; 1360 south loop road; alameda CA 94502 7001
• Manufacturer Contact: patricia reis castro ; 1360 south loop road; alameda, CA 94502-7001 ; 4157205405
• MDR Report Key: 22056604
• Report Number: 2954323-2025-18318
• Device Sequence Number: 7176125
• Product Code: PZE
• UDI-Device Identifier: 00357599002008
• UDI-Public: (01)00357599002008(10)02B344D
• Combination Product (Y/N): N
• Initial Reporter State: KY
• Initial Reporter Country: US
• PMA/510(K) Number: P160030
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/20/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Model Number: 71938-01
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/12/2025
• Initial Report FDA Received Date: 05/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/02/2021
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown