FDA Adverse Event Malfunction Summary report: N

ILET BIONIC PANCREAS

MDR report key: 23918696 · Received December 29, 2025

Report

Report Number
3019004087-2025-17854
Event Type
Malfunction
Date Received
December 29, 2025
Date of Event
December 17, 2025
Report Date
December 29, 2025
Manufacturer
BETA BIONICS INC.
Product Code
QFG
UDI-DI
850050080015
PMA / PMN Number
K231485
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
OTHER

Narratives

Description of Event or Problem · 0

IT WAS REPORTED THAT A NEW ILET USER EXPERIENCED AN INITIAL HIGH GLUCOSE AROUND 280 MG/DL, THEN A SUBSEQUENT LOW AROUND THE 60 MG/DL, PROMPTING THE CAREGIVER TO PAUSE AND DISCONNECT THE ILET AND THE PATIENT TO INGEST A PEANUT BUTTER SANDWICH; FOLLOWING THIS, A FINGERSTICK MEASURED 443 MG/DL. CUSTOMER CARE PROVIDED SUPPORT THAT INCLUDED FOLLOW-UP AND DEVICE-USE TROUBLESHOOTING WITH EDUCATION REGARDING TREATMENT OF HYPOGLYCEMIA AND HYPERGLYCEMIA. INVESTIGATION OF THIS CASE REVEALED AN UNCLEAR CAUSE FOR THE HYPOGLYCEMIA AND SUBSEQUENT REBOUND HYPERGLYCEMIA AFTER PROBABLE OVERTREATMENT, WITH NO DEVICE MALFUNCTION REPORTED. NO CLINICAL SYMPTOMS ASSOCIATED WITH THE HYPERGLYCEMIA AND HYPOGLYCEMIA REPORTED. OUTCOMES INCLUDED NO HOSPITALIZATION. IT WAS CONCLUDED, BASED ON PREVIOUSLY ESTABLISHED FINDINGS FOR SIMILAR REPORTS, THAT THE CAUSE WAS UNCLEAR. IF THE DEVICE IS RETURNED, A PHYSICAL EVALUATION WILL BE PERFORMED, AND A SUPPLEMENTAL WILL BE SUBMITTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1710863 ILET BIONIC PANCREAS ALTERNATE CONTROLLER ENABLED INSULIN INFUSION PUMP QFG BETA BIONICS INC. BB1001 850050080015

Patients

Seq Age Sex Outcome Treatment
1 82 YR Unknown