MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION MUSTANG?; STENTS, DRAINS AND DILATORS FOR THE BILIARY DUCTS

Model Number	H74939171050470
Medical Device Problem Codes	Fluid/Blood Leak (1250); Inflation Problem (1310); Nonstandard Device (1420); Material Rupture (1546)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the balloon could not inflate and leaking liquid due to damage.The 85% stenosed target lesion was located in the moderately tortuous and severely calcified lower upper limb arteriovenous fistula.A 5.0 x 40, 75cm mustang balloon catheter was advanced for dilation.However, during inflation, it was noted that the balloon was leaking liquid due to damage.The procedure was completed with another of the same device.There were no patient complications as a result of this event, and the patient was stable post-procedure.
Additional Manufacturer Narrative
D2b - pro code (product code): fge, lit.E1 - initial reporter address 1: (b)(6).G4 - premarket / 510(k) #: k141521, k141597.
Event or Problem Description
It was reported that the balloon could not inflate and leaking liquid due to damage.The 85% stenosed target lesion was located in the moderately tortuous and severely calcified lower upper limb arteriovenous fistula.A 5.0 x 40, 75cm mustang balloon catheter was advanced for dilation.However, during inflation, it was noted that the balloon was leaking liquid due to damage.The procedure was completed with another of the same device.There were no patient complications as a result of this event, and the patient was stable post-procedure.It was further reported that the liquid leakage was due to a balloon rupture.
Additional Manufacturer Narrative
D2b - pro code (product code): fge, lit.E1 - initial reporter address 1: (b)(6).E1 - initial reporter phone: (b)(6).G4 - premarket / 510(k) #: k141521, k141597.

• Brand Name: MUSTANG?
• Common Device Name: STENTS, DRAINS AND DILATORS FOR THE BILIARY DUCTS
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; pmt 741 persiaran cassia selat; bandarcassia, pulau pinan 14110 ; MY 14110
• Manufacturer Contact: mark mischke ; 4100 hamline ave n; arden hills, MN 55112 ; 7634941632
• MDR Report Key: 24746708
• Report Number: 2124215-2026-17555
• Device Sequence Number: 21025736
• Product Code: FGE
• UDI-Device Identifier: 08714729793366
• UDI-Public: (01)08714729793366(17)271029(10)35166100
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K141521
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,Company Representative,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup
• Report Date (Section B): 07/06/2026

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: Health Professional
• Device Model Number: H74939171050470
• Device Catalogue Number: H74939171050470
• Device Lot Number: 0036451759
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/06/2026
• Supplement Date Received by Manufacturer: 04/09/2026; 05/12/2026; 06/15/2026
• Initial Report FDA Received Date: 03/31/2026
• Supplement Report FDA Received Date: 04/28/2026; 06/03/2026; 07/06/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/06/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 58 YR
• Patient Sex: Male