FDA Adverse Event Injury Summary report: N

TWIIST AUTOMATED INSULIN DELIVERY SYSTEM

MDR report key: 25128777 · Received May 8, 2026

Report

Report Number
3016798778-2026-00124
Event Type
Injury
Date Received
May 8, 2026
Date of Event
April 9, 2026
Report Date
May 8, 2026
Manufacturer
MILLYARD ADVANCED MEDICAL PRODUCTS, LLC
Product Code
QFG
UDI-DI
00850017421400
PMA / PMN Number
K250930
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
NH, US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

A SPECIFIC ROOT CAUSE FOR THE REPORTED EVENT CANNOT BE DETERMINED WITH THE INFORMATION AVAILABLE FOR ASSESSMENT. THE INVESTIGATION REMAINS ONGOING AND A SUPPLEMENTAL REPORT WILL BE FILED ONCE RESULTS ARE AVAILABLE. THE CURRENT VERSION OF THE TWIIST AUTOMATED INSULIN DELIVERY (AID) SYSTEM USER GUIDE PROVIDES INFORMATION ABOUT ALARMS AND THE RECOMMENDED ACTIONS ASSOCIATED WITH THEM, INCLUDING THE CGM HIGH GLUCOSE ALERT, AS WELL AS WAYS TO PREVENT HYPERGLYCEMIA. USERS ARE ALSO INSTRUCTED TO HAVE A BACKUP INSULIN THERAPY AVAILABLE AT ALL TIMES. THE USER REMAINS ONGOING ON THEIR TWIIST PUMP. THE CLEO 90 INFUSION SET IS DISTRIBUTED BY MILLYARD ADVANCED MEDICAL PRODUCTS, LLC, FOR USE WITH THE TWIIST AUTOMATED INSULIN DELIVERY SYSTEM. AT THIS TIME, NO COMPONENTS OR ADDITIONAL INFORMATION RELEVANT TO THE REPORTED EVENT HAVE BEEN MADE AVAILABLE TO MILLYARD ADVANCED MEDICAL PRODUCTS, LLC, FOR FURTHER ANALYSIS.

Description of Event or Problem · 0

AN INITIAL EVENT NOTIFICATION WAS RECEIVED BY SEQUEL MED TECH, LLC, ON 10-APR-2026 AND FORWARDED TO MILLYARD ADVANCED MEDICAL PRODUCTS, LLC ON THE SAME DAY. THE USER REPORTED THAT THEIR BLOOD GLUCOSE INCREASED AFTER A TWIIST CASSETTE AND CLEO 90 INFUSION SITE CHANGE THE EVENING OF (B)(6) 2026. ON (B)(6) 2026 AT APPROXIMATELY 0600, THEY CHANGED THE INFUSION SITE ONLY. AT APPROXIMATELY 0930, THEY PERFORMED A FULL SUPPLY CHANGE AND TESTED POSITIVE FOR LARGE KETONES. THE USER REPORTED ROTATING INFUSION SITES ON THE ABDOMEN AND "LOVE HANDLE" AREA, AND REPORTED BELIEVING THAT THEY HAD TWO INEFFECTIVE INFUSION SITES DUE TO SCAR TISSUE. THE USER PRESENTED TO THE EMERGENCY ROOM ON (B)(6) 2026 (APPROXIMATELY 1000-1600) AND RECEIVED FLUIDS AND POTASSIUM FOR DIABETIC KETOACIDOSIS. THE USER RECEIVED INSULIN THROUGH THE TWIIST PUMP, REPORTING THAT THE FULL SUPPLY CHANGE PRIOR TO GOING TO THE HOSPITAL WAS SUCCESSFUL. THE USER REMAINS ONGOING ON THEIR TWIIST PUMP.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
320838 TWIIST AUTOMATED INSULIN DELIVERY SYSTEM INFUSION PUMP QFG MILLYARD ADVANCED MEDICAL PRODUCTS, LLC DKPI-21073-007; DKPI-11073-001 00850017421400

Patients

Seq Age Sex Outcome Treatment
1